CN101644584A - Safe driving evaluation system and safe driving evaluation method - Google Patents
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Abstract
The invention provides a safe driving evaluation system that enables the driver to keep an intention high to practice appropriate driving for stopping the vehicle safely at the temporary stop position. The safe driving evaluation system comprises a wake-up call unit that executes a wake-up call to a driver if it is determined based on a current drive condition of a vehicle at a predetermined location before a temporary stop position that there is a possibility of not being able to stop safely at the temporary stop position; a ratio calculation unit that calculates a wake-up call ratio as a ratio of the number of wake-up calls, which corresponds to the number of temporary stop positions where the wake-up call was executed, to the number of passed positions, which corresponds to the number of temporary stop positions where the vehicle passed; and an evaluation information acquisition unit that acquires evaluation information based on the wake-up call ratio.
Description
Technical field
The present invention relates to be used to estimate in front of Stop and give way place, drive the whether safe driving evaluation system and the safe driving evaluation method of safety.
Background technology
In the past, following technology is arranged: in front of Stop and give way place, the driver's notice to vehicle has the place that needs temporary parking in the place ahead of travel direction in advance.For example, in following patent documentation 1, record following technology: when vehicle near Stop and give way place and with this Stop and give way place at a distance of in the predetermined distance time, notify this situation to the driver, then, when the current speed of a motor vehicle satisfies defined terms, on one side demonstration deceleration alarm on display, the sound that gives a warning on one side, thus the driver reminded.
Patent documentation 1:JP spy opens the 2000-46574 communique
In the technology of in patent documentation 1, being put down in writing, when being higher than the warning beginning speed of a motor vehicle, the current speed of a motor vehicle remind the driver at Stop and give way place emergency as mentioned above like that, thereby can impel the driver to slow down fully, wherein, to begin the speed of a motor vehicle be according to deciding at a distance of Stop and give way the distance in place and the relation between the speed of a motor vehicle in above-mentioned warning.But in the technology that patent documentation 1 is put down in writing, only unidirectional notice or remind the driver is surely not according to receiving that the driver's of this notice or prompting driver behavior makes a response.That is, driver's the wish of placing one's entire reliance upon of whether slowing down fully in advance according to such notice or prompting still is unrealized and impels driver self to take to help the system of the good driving behavior of safe driving energetically.
Summary of the invention
The present invention proposes in view of above-mentioned problem, and its purpose is to provide a kind of safe driving evaluation system and safe driving evaluation method, can make the driver highly keep being used for wish in the suitable driving of Stop and give way place emergency.
To achieve these goals, the structure of safe driving evaluation system of the present invention is characterised in that, comprise: reminding unit, assigned position in front of Stop and give way place, be judged as existence according to the current driving condition of vehicle and can't under the situation of the possibility of this Stop and give way place emergency, be used to remind the driver; Computation unit, it is used for calculating the prompting ratio, this prompting ratio is meant, corresponding counts out counting out with vehicle, with the shared ratio of prompting number of times of counting out corresponding with passing through that Stop and give way with passing through with carrying out described prompting Stop and give way; And evaluation information obtains the unit, and it is used to obtain the evaluation information based on described prompting ratio.
According to said structure, calculate during at vehicle and to remind ratio at every turn by Stop and give way place, and obtain evaluation information according to this prompting ratio, therefore according to this evaluation information, can notify following situation to the driver objectively: trend as a whole, any degree is arrived in place front safety traffic in that Stop and give way.Thus, improved driver's safe driving consciousness in Stop and give way place.In other words, can make the driver highly keep to be used for wish in the suitable driving of Stop and give way place emergency.
At this, the following structure of preferred employing: comprising: datum situation obtains the unit, it is used to obtain the benchmark driving condition, and this benchmark driving condition represents, at Stop and give way place emergency and the driving condition of the bottom line necessity that should realize at described assigned position; And judging unit, it is according to the current driving condition and the described benchmark driving condition of vehicle, and judging whether to exist can't be in the possibility of described Stop and give way place emergency.
According to this structure, by the current driving condition of benchmark driving condition and vehicle, whether can judging rightly, exist can't be in the possibility of Stop and give way place emergency.
In addition, preferably adopt following structure: comprise and well-behavedly obtain the unit that this is well-behaved obtains the unit from degree and be used to obtain well-behaved in degree from degree of well-behaved between the current driving condition of expression vehicle and the described benchmark driving condition from degree; Described computation unit for each Stop and give way place of carrying out described prompting, is well-behavedly come the described prompting ratio of revisal from degree according to described when calculating described prompting ratio.
Under the situation that adopts such structure, for example well-behaved big more from degree, revisal is to be used to calculate remind the prompting number of times of ratio many more.Thus, by a Stop and give way place time,, can make and remind ratio than big usually carrying out well-behaved under the situation of the big driving of degree with the benchmark driving condition.Remind the increase of ratio to cause low the evaluation, therefore, can make the driver highly keep to carry out according to the benchmark driving condition wish of safe driving by adopting said structure.
In addition, the following structure of preferred employing: comprise estimating to divide and obtain the unit, this evaluation divides and obtains the unit and be used for deriving and obtain to estimate and divide, and wherein, it is to being used for the quantize processing and estimate resulting of safe driving degree at Stop and give way place emergency that this evaluations divides; Described computation unit is when calculating described prompting ratio, for each Stop and give way place of carrying out described prompting, according to the described evaluation described prompting ratio of revisal of assigning to.
Under the situation that adopts such structure, for example, it is low more to estimate branch, and revisal is to be used to calculate remind the prompting number of times of ratio many more.Thus, by a Stop and give way place time, divide under the lower situation estimating, can make and remind ratio than big usually.Remind the increase of ratio to cause low the evaluation,, can make the driver highly keep to carry out to derive the wish of the safe driving that higher rating divides therefore by adopting said structure.
In addition, preferably adopt following structure: comprise that accident information obtains the unit, this accident information is obtained the unit and is used to obtain over information at each Stop and give way accident number of times that the place takes place; Described computation unit for each Stop and give way place of carrying out described prompting, is come the described prompting ratio of revisal according to the accident number of times in Stop and give way at this place when calculating described prompting ratio.
Under the situation that adopts such structure, for example, the past, Stop and give way that accident number of times that the place takes place is many more at each, and revisal is to be used to calculate remind the prompting number of times of ratio many more.Thus, under the situation of when Stop and give way often by accident place, reminding, can make and remind ratio than big usually.Remind the increase of ratio to cause low the evaluation, therefore by adopting said structure, can make the driver highly remain on accident Stop and give way often wish that the place more carries out safe driving with being careful.
In addition, preferred adopt following structure: comprise that the parking ratio obtains the unit, this parking ratio is obtained the unit and is used to obtain the statistical information relevant with the ratio that the stops rate information of promptly stopping, and wherein, described parking ratio is represented actual ratio in each Stop and give way place temporary parking; Described computation unit for each Stop and give way place of carrying out described prompting, is come the described prompting ratio of revisal according to described parking ratio when calculating described prompting ratio.
Under the situation that adopts such structure, for example, other vehicle reality are high more at the ratio of each Stop and give way place temporary parking, and revisal is to be used to calculate remind the prompting number of times of ratio many more.Thus, carrying out under the situation of reminding during high Stop and give way place, can make and remind ratio than big usually by the parking ratio.Remind the increase of ratio to cause low the evaluation, therefore by adopting said structure, can make the driver highly remain on high Stop and give way the place of the ratio of other vehicle parkings, self also will carry out the wish of safe driving.
In addition, preferably adopt following structure: also comprise the front vehicles detecting unit, this front vehicles detecting unit is used to detect has other vehicles in the predetermined distance in the place ahead of vehicle; When detecting at described assigned position when having other vehicles in the place ahead of vehicle, described computation unit will be corresponding with this position Stop and give way that the place gets rid of calculates outside the object of described prompting ratio being used to.
Exist in the place ahead of vehicle under the situation of other vehicles, whether can not in the possibility of Stop and give way place emergency according to not judging rightly with the relation of these other vehicles if existing sometimes.Therefore,, the prompting ratio of calculating is more tallied with the actual situation by adopting said structure, can be to the more suitable evaluation information of driver's notice.
In addition, preferably adopt following structure: described driving condition is at least one in the speed of a motor vehicle, brake service amount and the accelerator open degree.
According to such structure, then according in the speed of a motor vehicle, brake service amount and the accelerator open degree of the key factor when stopping in Stop and give way place at least one, whether can judging rightly, exist can't be in the possibility of this Stop and give way place emergency.
In addition, the following structure of preferred employing: described evaluation information is obtained the unit and is used for obtaining at least one information of integration, prompting literary composition, chart as described evaluation information, wherein, described integration is the integration of being given according to described prompting ratio, described prompting literary composition is the prompting literary composition of the content corresponding with described prompting ratio, and described chart is visually represented the described prompting ratio in each moment.
According to such structure, can suitably transmit and the corresponding evaluation content of prompting ratio to the driver.
In addition, preferably adopt following structure: also comprise information collection unit, this information collection unit is collected and the relevant information of described prompting ratio from a plurality of vehicles; Described evaluation information is obtained the unit according to the information of being collected by described information collection unit, the information or both information that obtain one of order and grade are used as described evaluation information, wherein, described order is by comparing the order of each relevant vehicle of resulting and described prompting ratio with other vehicles, and described grade is by comparing resulting grade of giving based on the described prompting ratio in each vehicle past with other vehicles.
According to such structure, under the situation of collecting the information relevant from a plurality of vehicles with the prompting ratio, can be with by comparing the evaluation content that gets content as evaluation information with other vehicles.Therefore, can more suitably transmit and the corresponding evaluation content of prompting ratio to the driver.
In addition, preferably adopt following structure: comprise on-vehicle terminal device and centralized management device, wherein, described on-vehicle terminal device is loaded on the vehicle, and described centralized management device is configured to communicate with a plurality of described on-vehicle terminal devices; When described on-vehicle terminal device is disconnected at the primary power of the vehicle that is mounted with this vehicle termination device, to described centralized management device send from connect primary power begin till disconnect primary power during with the relevant information of described prompting ratio; Described centralized management device according to receive from described on-vehicle terminal device with the relevant information of described prompting ratio, generation is at the described evaluation information of this on-vehicle terminal device.
According to such structure, to concentrate on the centralized management device from the information relevant that is loaded in the on-vehicle terminal device on a plurality of vehicles respectively with reminding ratio, and according to a plurality of vehicles with remind the relevant information of ratio, can generate evaluation information to each on-vehicle terminal device.Therefore, the evaluation information of the suitable content that gets by more a plurality of vehicles can be provided to each on-vehicle terminal device.In addition, when the primary power of the vehicle that is mounted with on-vehicle terminal device is disconnected, to the centralized management device send with from connect primary power till the disconnection primary power during the relevant information of prompting ratio, therefore, can the information relevant with the prompting ratio during the primary power that disconnects vehicle be concentrated in the centralized management device with less number of communications.Therefore, can in the centralized management device, collect a lot of information expeditiously, can provide more suitable evaluation information to each on-vehicle terminal device.
Technical characterictic with safe driving evaluation system of the present invention of above each structure can also be applicable to safe driving evaluation method and safe driving evaluation method, and therefore, the present invention can be with such method and program also as the object of rights protection.
The safe driving evaluation method of this moment makes the following function of computer realization: prompting function, assigned position in front of Stop and give way place, the current driving condition according to vehicle be judged as existence can't situation in the possibility of this Stop and give way place emergency under, be used to remind the driver; The ratio computing function calculate to be reminded ratio, and wherein, this prompting ratio is meant, corresponding counts out counting out with vehicle, with the shared ratio of prompting number of times of counting out corresponding with passing through that Stop and give way with passing through with carrying out described prompting Stop and give way; And evaluation information obtains function, is used to obtain the evaluation information based on described prompting ratio.
Obviously,, also can access the action effect identical with above-mentioned safe driving evaluation system by this safe driving evaluation method, and, can also comprise a plurality of supplementary technologies as above-mentioned preferred structure example.
Description of drawings
Fig. 1 is the block diagram of schematic configuration of the guider of expression first embodiment.
Fig. 2 is the block diagram of schematic configuration of the Central Management Server of expression first embodiment.
Fig. 3 is the figure that expression is stored in the configuration example of the cartographic information in the map data base.
Fig. 4 is expression and the figure apart from the setting example in corresponding a plurality of zones in distance Stop and give way place.
Fig. 5 is that expression is stored in the figure that evaluation score in the storer reaches an example of reminder-data according to this.
Fig. 6 is the figure that is illustrated in an example of the employed revisal count number of revisal that is used for calculating the prompting number of times of reminding ratio.
Fig. 7 is the figure of an example of the expression comprehensive evaluation picture that is used to show the evaluation information of obtaining by the evaluation information obtaining section.
Fig. 8 is the figure of an example that expression has shown the guide picture of judgement schematics information, and wherein, above-mentioned judgement schematics information is used for representing one by one the variation of the prompting ratio that travels.
Fig. 9 is the figure that expression is stored in an example of the reminder-data in the storer.
Figure 10 is the process flow diagram of the whole process handled of the safe driving evaluation of expression first embodiment.
Figure 11 is the process flow diagram that the ratio calculation processes is reminded in expression.
Figure 12 is the block diagram of schematic configuration of the guider of expression second embodiment.
Figure 13 is the figure that expression is stored in an example of the evaluation submeter (prompting literary composition table) in the storer.
Figure 14 is the figure of an example of the expression display input device that receives evaluation information in second embodiment.
Figure 15 is the process flow diagram of processing sequence of the safe driving evaluation method of expression second embodiment.
Figure 16 is the block diagram of schematic configuration of the guider of expression the 3rd embodiment.
Figure 17 is the figure that expression is stored in the example of the evaluation coefficient figure in the storer.
Figure 18 is the figure that expression is stored in an example of the contribution ratio table in the storer.
Figure 19 is the figure of an example of the expression display input device that receives evaluation information in the 3rd embodiment.
Figure 20 is the process flow diagram of the prompting ratio calculation processes of other embodiments of expression.
Embodiment
First embodiment
Below, with reference to accompanying drawing first embodiment of the present invention is described.At this, be that example describes with following situation: safe driving evaluation system of the present invention comprises: the Central Management Server 2 that the guider 1 of vehicle mounted and being configured to communicates with a plurality of guiders 1.Fig. 1 is the block diagram of the schematic configuration of this guider 1 of expression.The guider 1 that this safe driving evaluation system had, assigned position in front of Stop and give way place, when the current driving condition according to vehicle 3 is judged as the possibility that existence can not be at this Stop and give way place emergency, remind the driver, and according to reminding the shared ratio of number of times in counting out by ground, obtain and export evaluation information 61 (with reference to Fig. 7 and Fig. 8), wherein, described by ground count out with vehicle 3 count out with passing through that Stop and give way corresponding, described prompting number of times with carried out reminding Stop and give way count out corresponding.For this evaluation information 61, the ratio in the place of reminding that Stop and give way is low more, and expression is estimated high more.Thus, the driver who is mounted with the vehicle 3 of guider 1 can judge following situation objectively according to this evaluation information 61: trend as a whole, any degree is arrived in place front safety traffic in that Stop and give way.Thus, improved driver's safe driving consciousness in Stop and give way place.That is, can make the driver keep to be used for wish in the suitable driving of Stop and give way place emergency.
Fig. 2 is the block diagram of the schematic configuration of expression Central Management Server 2.Central Management Server 2 is collected and summary information from a plurality of guiders 1 that are loaded in a plurality of vehicles 3 respectively.Then, generate evaluation information 61, and be distributed to each guider 1 according to collected information.In the present embodiment, guider 1 is equivalent to " on-vehicle terminal device " of the present invention, Central Management Server 2 is equivalent to " centralized management device " of the present invention and " information collection unit 46 ".
1. the structure of guider
At first, the structure to guider 1 describes.Each function portion of guider 1 shown in Figure 1 is constituted as: will be common or respectively arithmetic processing apparatus such as independent CPUs with hardware or software (program) or this dual mode the function portion that is used for the data of being imported are carried out various processing has been installed as core component.In the present embodiment, guider 1 have receiving and transmitting part 11, vehicle positional information obtaining section 12, navigation with operational part 13, driving condition obtaining section 14, datum situation obtaining section 15, notifier processes portion 16, well-behaved from degree obtaining section 17, estimate branchs obtaining section 18, location information obtaining section 19, ratio calculating part 22, evaluation information obtaining section 23, primary power monitoring unit 28, send handling part 29 and renewal handling part 30, and with these members as function portion.And these each function portions are constituted as, and can carry out message exchange mutually by order wires such as numeral forwarding buses.At this, random access memory), ROM (Read-Only Memory: in the storage unit ROM (read-only memory)) etc. when the mode with software (program) has constituted each function portion, this software is stored in the RAM that arithmetic processing apparatus can reference (Random Access Memory:.In addition, map data base 31 for example comprise and have hard disk drive, flash memories and DVD-ROM (Digital Versatile Disk Read Only Memory: the DVD digital versatile disc ROM (read-only memory)) (Digital Versatile Disk: digital versatile disc) driver, (Compact Disc Read-Only Memory: (Compact Disc: CD) storage medium (storage unit) such as driver is as hardware configuration for CD compact disc read-only memory) to have CD-ROM.In addition, storer 32 for example comprises as hard disk drive, flash memories etc. and is used to store and can rewrite the storage medium of information as hardware configuration.Under the situation that map data base 31 is made of rewritable storage medium, this storer 32 can be set at the common storage medium of map data base 31 in.Below, the structure of each unit of the guider 1 of present embodiment is elaborated.
1-1. map data base
Map data base 31 is the databases that store the map datum of dividing according to each rectangular area that is called subregion 34, and wherein, above-mentioned subregion is to divide by the longitude and the latitude of regulation.For example, as shown in Figure 3, map datum 34 comprises road net data R, and these road net data R comprises: corresponding with a plurality of intersections respectively a plurality of node n, with the corresponding a plurality of road chain k of road that are connected between each node n (intersection).In addition, in Fig. 3, show and be configured to the road of chessboard trellis (clathrate intersects vertically) and intersection road corresponding netting index example according to R as an example.Each node n has position (coordinate) information on the map of representing with latitude and longitude.Each road chain k is connected by node n, has category of roads, area classification, road chain length, road width as its attribute information, is used to represent the information such as respective shape interpolation points of road chain shape.In addition, map datum 34 also contains and is leading various guidance informations required in the processing etc. based on required delineation information, online pass in navigating with the cartographic representation processing of operational part 13 except containing road net data R.At this, delineation information contain for show required background information such as road shape, buildings, rivers and creeks, in order to show Word message that cities and towns village title and road name etc. are required etc.In addition, in addition, be stored in the parking site information that map datum 34 in the map data base 31 also contains the position in the place of representing obligated temporary parking (below, be called " Stop and give way place ").Such parking site information for example is stored as and Stop and give way attribute information that place road corresponding chain k had the information of the content of the obligated parking of an end of a side line road chain (for example).
1-2. receiving and transmitting part
Receiving and transmitting part 11 has the mode with radio communication, via wireless base station etc., and Central Management Server 2 between carry out the communicator of data transmit-receive.LAN (Local Area Network)) as such wireless communications method, for example can utilize mobile telephone network, WLAN (Local Area network: known communication network such as.In the present embodiment, as described later, receiving and transmitting part 11 sends and the relevant information of prompting ratio to Central Management Server 2.In addition, receiving and transmitting part 11 from Central Management Server 2 receive order informations 65, class information 66 etc. pass through compare the evaluation information 61 (with reference to Fig. 7 and Fig. 8) that gets with other vehicles 3, in addition, also receive the lastest imformation of the revisal rule 40 be used for being updated in storer 32 storages, Integral Rule 38, reminder-data 37.About this point, will narrate in the back.And then receiving and transmitting part 11 receives information with each Stop and give way ground spot correlation, i.e. location information from Central Management Server 2.At this, location information for example comprises: the information of the accident number of times that the past takes place in each Stop and give way place is accident information, the statistical information relevant with the parking ratio rate information etc. of promptly stopping, wherein, above-mentioned parking ratio is represented the ratio of vehicle reality in each Stop and give way place temporary parking.
1-3. vehicle positional information obtaining section
Vehicle positional information obtaining section 12 obtains unit performance function as the vehicle positional information, and wherein, this vehicle positional information obtains the vehicle positional information that the current location of expression vehicle is obtained in the unit.At this, vehicle positional information obtaining section 12 is connected with GPS receiver 41, aspect sensor 42 and range sensor 43.At this, GPS receiver 41 is to receive from GPS (Global Positioning System: the GPS) device of Satellite GPS signal.Usually receive this gps signal every 1 second, and export this gps signal to vehicle positional information obtaining section 12.In vehicle positional information obtaining section 12, the signal from gps satellite that GPS receiver 41 is received is resolved, thereby can obtain the information of current vehicle position (coordinate), the orientation of travelling, translational speed etc.Aspect sensor 42 is the sensors of variation that are used to detect travel orientation or its orientation of travelling of vehicle.This aspect sensor 42 is for example by formations such as gyroscope (gyroscope) or geomagnetic sensors.And aspect sensor 42 exports its testing result to vehicle positional information obtaining section 12.Range sensor 43 is to be used to detect the speed of a motor vehicle of vehicle, the sensor of displacement.This range sensor 43 is for example by the formations such as circuit of the detected acceleration of vehicle speed pulse sensor, yaw G sensor (yaw G sensor) and accumulative total, wherein, above-mentioned vehicle speed pulse sensor is used for every rotations such as the shaft drive axis (drive shaft), wheel at vehicle output pulse signal when a certain amount of, and above-mentioned yaw G sensor is used to detect the acceleration of vehicle.Then, range sensor 43 is exported as the speed of a motor vehicle of its testing result and the information of displacement to vehicle positional information obtaining section 12.
Vehicle positional information obtaining section 12 is used for determining the computing of vehicle position according to the output from these GPS receivers 41, aspect sensor 42 and range sensor 43 by known method.In addition, vehicle positional information obtaining section 12 is also carried out following processing according to the map datum 23 that is stored in the map data base 31, that is, handle, make the revisal of the represented road matching of vehicle position and map datum 23 by known map match.Handle the revisal result of revisal vehicle positional information to be reflected on the vehicle positional information by such map match.Like this, vehicle positional information obtaining section 12 obtains the vehicle positional information that comprises with the information in the current vehicle position of coordinate (latitude and longitude) expression and the orientation of travelling thereof.The vehicle positional information that obtains in vehicle positional information obtaining section 12 is output to navigation operational part 13.
1-4. navigation operational part
Navigation is according to the operation processing unit of application work in order to carry out navigation feature with operational part 13, wherein, above-mentioned navigation feature comprises: show the vehicle position, calculate path from origin to destination, the path that is directed to the destination, retrieval destination etc.For example, navigation with operational part 13 from map data base 31 obtain the map datum 34 of vehicle periphery and on display input device 47 image of displayed map, and according to vehicle positional information overlapping demonstration self-position mark on the image of this map.In addition, navigation according to the path from origin to destination and the vehicle positional information that calculate by known method, utilizes one or two device in display input device 47 and the instantaneous speech power 48 to come path of navigation with operational part 13.In addition, display input device 47 outputs are from the evaluation information 61 (being described in detail in the back) of evaluation information obtaining section 23 inputs.In addition, navigation is also connected to the known various structures of necessity in guider 1 such as user interface of the touch panel that is wholely set with telepilot, display input device 47 etc. with operational part 13.
1-5. driving condition obtaining section
Driving condition obtaining section 14 obtains unit performance function as driving condition, and wherein, this driving condition is obtained the driving condition that the unit is used to obtain vehicle.In the present embodiment, driving condition obtaining section 14 is connected with accelerator open degree sensor 44, brake service quantity sensor 45 and vehicle speed sensor 46.At this, accelerator open degree sensor 44 is the sensors that detect accelerator open degree according to the amount of entering into of gas pedal.If accelerator open degree is 0% when closing throttle fully, be 100% when opening throttle fully.Brake service quantity sensor 45 is the sensors that detect the brake service amount according to the amount of entering into of brake pedal.Vehicle speed sensor 46 is the sensors that are used to detect the speed of a motor vehicle, for example, waits according to the rotational speed of the driving shaft that is connected with the wheel drive of vehicle and to detect the speed of a motor vehicle.Wherein, the information relevant with the brake service amount and the speed of a motor vehicle is output to notifier processes portion 16, is used for the processing that judges whether to remind the driver described later.In addition, the information relevant with the accelerator open degree and the speed of a motor vehicle is output to estimating branch obtaining section 18, is used for estimating dividing and obtains processing.
1-6. datum situation obtaining section
Datum situation obtaining section 15 obtains unit performance function as the datum situation that obtains the benchmark driving condition, and wherein, this benchmark driving condition represents, for stop in the place in that Stop and give way safely, and should be at the driving condition of bottom line necessity of assigned position realization.At this, for example, can remind driver's position second assigned position (will be described in detail in the back) as assigned position notifier processes portion when satisfying rated condition 16, perhaps, will on the travel direction of vehicle, be positioned at position with rear one side (rear side of vehicle) of above-mentioned second assigned position as assigned position.In the reference data 35 in being stored in storer 32, store the relation the distance from Stop and give way place to assigned position and the benchmark speed of a motor vehicle, the benchmark detent operational ton.In the present embodiment, datum situation obtaining section 15 basis of reference data 35, the speed of a motor vehicle that obtains the bottom line necessity that should realize at assigned position is that the brake service amount of the benchmark speed of a motor vehicle, bottom line necessity is a benchmark detent operational ton, is used as the benchmark driving condition.
1-7. notifier processes portion
Notifier processes portion 16 is as notifier processes unit performance function, wherein, this notifier processes unit guides prompting driver the place ahead has that Stop and give way place, reminds the driver when satisfying defined terms.Notifier processes portion 16 is according to the vehicle positional information that is stored in the parking site information in the map data base 31 and obtains by vehicle positional information obtaining section 12, when vehicle during near first assigned position in front of Stop and give way the place, carry out voice guide by instantaneous speech power 48, prompting the place ahead has that Stop and give way place.At this, first assigned position is, will Stop and give way the place as benchmark, on vehicle heading, be positioned at and place, Stop and give way place at a distance of rear one side (rear side of vehicle) of certain distance, wherein, this certain distance is, for by carry out suitable brake operating can be more than sufficiently in this Stop and give way distance that the place stops to be needed (for example, 100m can suitably change).All the time carry out such voice guide during near first assigned position in front of Stop and give way the place at vehicle.
In addition, at vehicle during near second assigned position in front of Stop and give way the place, the current driving condition of the vehicle obtained according to driving condition obtaining section 14 be judged as existence can not situation in the possibility of Stop and give way place emergency under, notifier processes portion 16 is used to remind driver's voice guide to handle by instantaneous speech power 48.At this, second assigned position is in the position than more close Stop and give way the place of first assigned position, and, second assigned position is, will Stop and give way the place as benchmark, on vehicle heading with should Stop and give way the place at a distance of the place of certain distance (rear side of vehicle), wherein, above-mentioned certain distance is that stop and the shortest distance (for example, 20m can suitably change) of needs in the place for Stop and give way at this.At this moment, the benchmark driving condition that notifier processes portion 16 is obtained according to the current driving condition of the obtained vehicle of driving condition obtaining section 14 and datum situation obtaining section 15, they are compared, can not be thereby judge whether to exist in the possibility of Stop and give way place emergency.More particularly, for example, be higher than under the benchmark speed of a motor vehicle and the situation of current brake service amount less than benchmark detent operational ton in current vehicle speed, notifier processes portion 16 is judged as existence can not be in the possibility of this Stop and give way place emergency.At this moment, notifier processes portion 16 is used to remind driver's voice guide by instantaneous speech power 48.On the other hand, for example, be below the benchmark speed of a motor vehicle and current brake service amount is under the situation more than the benchmark detent operational ton in current vehicle speed, notifier processes portion 16 is judged as can be at this Stop and give way place emergency.In this case, be not used to remind driver's voice guide.In addition,, can adopt following structure in the guiding in the place of carrying out that Stop and give way or when reminding the driver: thus come display text, icon to come channeling conduct by display input device 47, perhaps, and with the guiding and the voice guide that pass through literal, icon display etc.In addition, in the present embodiment, these notifier processes portion 16 double as " judging unit " of the present invention and " reminding unit ".
In addition, notifier processes portion 16 can be constituted as, to Stop and give way venue guiding the time, in the lump notice as with the accident information and the parking rate information of the location information of each Stop and give way ground spot correlation.These information receive from Central Management Server 2 by receiving and transmitting part 11, and obtain these information by the location information obtaining section 17 with accident information obtaining section 18 and parking ratio obtaining section 19.
1-8. it is well-behaved from the degree obtaining section
Well-behavedly obtain unit performance function as well-behaved from degree from degree obtaining section 17, wherein, this is well-behaved obtains the unit from degree and obtains well-behaved in degree from degree of well-behaved between the current driving condition of representing vehicle and the benchmark driving condition.In the present embodiment, do not reach under the benchmark driving condition (, not being the situation more desirable), obtain well-behaved from degree than benchmark driving condition from viewpoint at Stop and give way place emergency at the current driving condition of vehicle.As above-mentioned, obtain the benchmark speed of a motor vehicle and benchmark detent operational ton in the present embodiment as the benchmark driving condition, therefore well-behaved in obtained well-behaved also relevant of degree obtaining section 17 with the speed of a motor vehicle and brake service amount from degree.For example, as relevant with the speed of a motor vehicle well-behaved, can be the ratio that has surpassed the difference and the benchmark speed of a motor vehicle of the benchmark speed of a motor vehicle from degree.In addition, as relevant with the brake service amount well-behaved, can be to be lower than the difference of benchmark detent operational ton and the ratio of benchmark detent operational ton from degree.And, in the present embodiment, obtain relevant with the speed of a motor vehicle and brake service amount well-behaved in degree bigger well-behaved from degree as well-behaved from degree.With well-behavedly being output to ratio calculating part 22 of so obtaining from the relevant information of degree.
Divide obtaining section 1-9. estimate
Estimate branch obtaining section 18 and obtain unit performance function as estimating to divide, wherein, this evaluation divides and obtains the unit and derive and obtain to estimate and divide, and this evaluations divides and is to quantize and handle and estimate and get being used for safe driving degree at Stop and give way place emergency.At this, vehicle be positioned at Stop and give way place under the situation of the scope of predetermined distance, estimate branchs obtaining section 18 and derive also to obtain and estimate branch.The predetermined distance of this moment, (for example, 100m), wherein, above-mentioned first assigned position is the place of pointing out the voice guide in the place that has that Stop and give way, the place ahead to the distance that can be that Stop and give way between the place and first assigned position.And, in the present embodiment, as shown in Figure 4, be set with regional A1 (zone between first assigned position and second assigned position) and regional A2 (second assigned position and the zone that Stop and give way between the place) between the place and first assigned position in that Stop and give way, estimating branch obtaining section 18 is constituted as, respectively in regional A1, A2, change and speed of a motor vehicle variation according to accelerator open degree, derive and obtain the evaluation branch that the safe driving degree is quantized and handles and estimate and get as the assessment item relevant with the driver behavior of vehicle.
In the present embodiment, the driver behavior that each assessment item is preestablished sure driver behavior and negates.At this, sure driver behavior is meant, helps the driver behavior at Stop and give way place emergency.For example, change, understand that for example accelerator open degree reduces about accelerator open degree; Change about the speed of a motor vehicle, understand that for example the speed of a motor vehicle reduces.In the table of Fig. 5, the driver behavior of having "+" is sure driver behavior.
In addition, the driver behavior of negating is meant, hinders the driver behavior at Stop and give way place emergency.For example, change, understand that for example accelerator open degree increases about accelerator open degree; Change about the speed of a motor vehicle, understand that for example the speed of a motor vehicle improves.In the table of Fig. 5, the driver behavior of having "-" is sure driver behavior.
In addition, be the neither favourable driver behavior that does not also hinder in the neutrality of Stop and give way place emergency with the driver behavior of " 0 ", do not influence with the driver behavior of " 0 " and estimate the derivation that divides.For example, understand that for example the accelerator open degree and the speed of a motor vehicle are all less than changing.But, at this, under the situation of variable quantity in specialized range of each assessment item, be not made as not variation, under the situation of the threshold value that has surpassed regulation, be made as variations such as having increase or minimizing.About accelerator open degree, for example, under the situation of absolute value in the scope below 10% of its variable quantity, be not made as not variation; On the other hand, surpass under 10% the situation at the absolute value of its variable quantity, being made as accelerator open degree increases or reduces.In addition, about the speed of a motor vehicle, for example, under the situation in the scope of absolute value below 5km/h of its variable quantity, be not made as not variation; On the other hand, surpass under the situation of 5km/h, be made as the speed of a motor vehicle and increase or reduce at the absolute value of its variable quantity.Wherein, only illustrate, can suitably change its numerical value at numerical value shown in this 10% and 5km/h.
And, when being judged as when in regional A1, A2, having carried out sure driver behavior, basis branch (being 0 minute in this example) is added the sure evaluation branch corresponding with this sure driver behavior, when being judged as the driver behavior that has carried out negating, deduct the negative evaluation branch corresponding with this sure driver behavior from the basis branch.Derive to estimate timesharing, estimating 18 references of branchs obtaining section and be stored in evaluation score in the storer 32 according to 36.Fig. 5 represents that the evaluation score of 18 references of evaluation branch obtaining section of present embodiment is according to an example of 36.According to this figure as can be known, even the driver behavior of identical assessment item also can be set with different evaluation branch (sure evaluation branch, negative evaluation branch) in regional A1 and regional A2.In illustrated embodiment, about the sure driver behavior with regard to accelerator open degree changes is that You door Kai Du Minus is few, in the regional A2 of the close together in Stop and give way place, set " 10 " and be used as the basic evaluation branch, in the distance in Stop and give way place regional A1 far away, set " 20 " bigger and be used as the basic evaluation branch than " 10 ".Sure driver behavior is the driver behavior that helps emergency, when near Stop and give way place, to carry out above-mentioned sure driver behavior certainly, but with Stop and give way place under the situation of certain distance, might not carry out above-mentioned sure driver behavior.But at Stop and give way place emergency, it is effective carrying out sure driver behavior as early as possible, therefore, in order to speak highly of such driving behavior, far away more from the distance in Stop and give way place, the value that will divide for the sure evaluation of sure driver behavior is set greatly more.In addition, the sure evaluation of the sure driver behavior that changes for the relevant speed of a motor vehicle divides too.
On the other hand, about the driver behavior negating with regard to accelerator open degree changes is that accelerator open degree increases, in the distance in Stop and give way place regional A1 far away, set " 10 " and be used as the basic evaluation branch, in the regional A2 of the close together in Stop and give way place, set " 20 " bigger and be used as the basic evaluation branch than " 10 ".The driver behavior negating is the driver behavior that hinders emergency, with Stop and give way place under the situation of certain distance, even how much carried out above-mentioned negative driver behavior, but according to thereafter driver behavior also might be in this Stop and give way place can emergency, and when near Stop and give way place the time, carrying out above-mentioned negative driver behavior, be absorbed in breakneck situation sometimes.Therefore, in order to warn aforesaid driving behavior, near more from the distance in Stop and give way place, the value that will divide for the evaluation negating of the driver behavior negating is set greatly more.In addition, the evaluation negating for the driver behavior negating of the relevant speed of a motor vehicle divides too.Like this, estimating branch obtaining section 18 is constituted as, according to from Stop and give way place to the distance the place of having carried out the driver behavior relevant with assessment item, change is at the obtained evaluation branch of the driver behavior of identical assessment item (sure evaluation branch, negative evaluation branch).
Estimate to divide obtaining section 18, when in regional A1, A2, detecting the driver behavior of assessment item, obtain the evaluation branch corresponding according to 36 at every turn with this driver behavior with reference to evaluation score, and the evaluation branch of the total that obtains them when dividing as Stop and give way by this place.Divide relevant information to be output with the evaluation that so obtains to ratio calculating part 22.
1-10. ratio calculating part
Remind ratio (%)=(prompting number of times)/(counting out) * 100 by ground ... (1)
So represent to exist can not be at the ratio in the possibility of Stop and give way place emergency Stop and give way place for the prompting ratio that calculates.Otherwise ratio is X (%) if hypothesis is reminded, and the ratio of (%) represent with (100-X) is for can stop and the ratio in the place of passing through safely that Stop and give way more than sufficiently.Therefore, remind ratio more little, be evaluated as more and drive safely.
When vehicle 3 in travels down and during the place of having passed through that Stop and give way, the judged result whether ratio calculating part 22 according to is reminded by notifier processes portion 16, to " counting out " of becoming denominator in the calculating formula (1) of reminding ratio and become a side in " the prompting number of times " of molecule or count number that both sides add regulation by ground, thus the update notifying ratio.In the present embodiment, " the counting out by ground " that becomes denominator is the number in vehicle 3 place of passing through that Stop and give way, " the prompting number of times " that becomes molecule be according to the rules rule to carried out the ground of reminding that Stop and give way count out carry out revisal and must compensating value., carried out under the situation of reminding for this reason, " the counting out by ground " that becomes denominator added count number " 1 ", and " the prompting number of times " that becomes molecule added count number after the revisal in notifier processes portion 16.In addition, the count number after the revisal is that common count number " 1 " is added that revisal count number described later calculates.Thus, to reminding ratio to carry out revisal.On the other hand, under the situation that notifier processes portion 16 reminds, only " the counting out by ground " that becomes denominator added count number " 1 ".
As mentioned above, " the prompting number of times " that becomes molecule be according to the rules rule to carried out the ground of reminding that Stop and give way count out carry out revisal and compensating value, each in the count number that Stop and give way after adding revisal when the place reminds.At this moment, in the present embodiment, according to well-behaved from degree and estimate the revisal " prompting number of times " of assigning to.Fig. 6 is the figure that is illustrated in an example that is used for calculating the employed revisal count number of prompting number of times revisal of reminding ratio.Fig. 6 A is the table of the well-behaved relation between degree and revisal count number of expression, and Fig. 6 B is the table that the relation between branch and the revisal count number is estimated in expression.These tables are stored in the storer 32 as revisal rule 40.When carrying out prompting by notifier processes portion 16, ratio calculating part 22 according to well-behaved from obtained well-behaved of degree obtaining section 17 from degree and estimate the evaluation branch that divides obtaining section 18 obtained, with reference to revisal rule 40, " the prompting number of times " that becomes molecule carried out revisal.
At this, well-behaved big more from degree, set the revisal count number big more.In the example shown in Fig. 6 A, well-behaved is " 0 " from degree less than 10% o'clock revisal count number, and well-behaved is more than 10% and less than 20% o'clock revisal count number to be "+0.1 " from degree, and well-behaved is that 20% revisal count number when above is "+0.2 " from degree.Like this, well-behaved big more from degree, set the revisal count number big more, its reason is, by Stop and give way place the time, well-behaved under the big situation of degree with the benchmark driving condition when driving makes and reminds ratio than usually not greatly, thereby warn this driving, make the driver highly keep the wish that to drive safely according to the benchmark driving condition.
In addition, it is low more to estimate branch, sets the revisal count number big more.But, in the present embodiment, only divide under the situation that is lower than setting to be set with the revisal count number in evaluation.In the example shown in Fig. 6 B, set the revisal count number under the situation that is lower than-5 fens estimate dividing, estimate the revisal count number that is divided into more than-25 minutes and is lower than-5 timesharing and be "+0.1 ", estimate and divide the revisal count number that is lower than-25 timesharing to be "+0.2 ".Like this, it is low more to estimate branch, set the revisal count number big more, its reason is, by Stop and give way place the time, when driving, estimate and divide under the low situation, make and remind ratio than big usually, warn this driving thus, make the driver highly keep to carry out to derive the wish of the safe driving that higher rating divides.
In addition, can upgrade revisal rule 40 according to the lastest imformation that receives from Central Management Server 2 by 22 references of ratio calculating part.Carry out this renewal processing by upgrading handling part 30.That is, upgrade handling part 30 under the situation of the lastest imformation that receives revisal rule 40 by receiving and transmitting part 11 from Central Management Server 2,, the revisal rule 40 that is stored in the storer 32 is upgraded according to this lastest imformation.Thus, for example, can be according to the total points that obtains before this (aftermentioned), driver's technical ability rank, drive experience etc., change rule at any time is so that remind the value of ratio more suitable.
Then, according to Fig. 3, the calculating of the prompting ratio that ratiometer calculation portion 22 is carried out is described with object lesson.At this, suppose that vehicle 3 travels along the path B that represents with heavy line from departure place S, thereby arrive current location P.In addition, suppose in the B of path, in the upside road end of the chain (corresponding to the position of node n2, n4, n5, n6, n8) of Fig. 3 of the road chain k1～k5 place that has that Stop and give way.And, wherein,, remind by notifier processes portion 16 in corresponding Stop and give way place with node n4 and n5, Stop and give way that does not remind in the place corresponding with node n2, n6 and n8.In addition, in corresponding Stop and give way place with node n4, obtain respectively " 15% ", " 20 minutes " as well-behaved from degree and estimate and divide, in corresponding Stop and give way place with node n5, obtain " 5% ", " 10 minutes " as well-behaved from degree and estimate and divide.
At first, in corresponding Stop and give way place with node n2, owing to do not remind, therefore, ratio calculating part 22 only adds count number " 1 " to " the counting out by ground " that become denominator that is used for calculating the calculating formula (1) of reminding ratio.Therefore, by calculate the prompting ratio that has passed through this Stop and give way behind the place as shown in the formula (2).
Remind ratio (%)=0/1 * 100=0 (%) ... (2)
Then, in corresponding Stop and give way place with node n4, owing to remind, therefore, " counting out by ground " of becoming denominator that 22 pairs of ratio calculating parts are used for calculating the calculating formula (1) of reminding ratio adds count number " 1 ", thereby obtain " 2 ", and " the prompting number of times " that becomes molecule added count number after the revisal.Count number after the revisal is that common count number " 1 " is added based on well-behaved from spending " 15% " and estimating the revisal count number (being respectively "+0.1 ", "+0.1 ") of dividing " 20 minutes " and the value " 1.2 " that gets.Thus, " the prompting number of times " that 22 pairs of ratio calculating parts become molecule adds the count number " 1.2 " after the revisal, thereby obtains " 1.2 ".Therefore, by calculate the prompting ratio that has passed through this Stop and give way after the place as shown in the formula (3).
Remind ratio (%)=1.2/2 * 100=60 (%) ... (3)
Then, in corresponding Stop and give way place with node n5, owing to remind, therefore, " counting out by ground " of becoming denominator that 22 pairs of ratio calculating parts are used for calculating the calculating formula (1) of reminding ratio adds count number " 1 ", thereby obtain " 3 ", and " the prompting number of times " that becomes molecule added count number after the revisal.Count number after the revisal is that common count number " 1 " is added based on well-behaved from spending " 5% " and estimating the revisal count number (being respectively " 0 ", "+0.1 ") of dividing " 10 minutes " and the value " 1.1 " that gets.Thus, " the prompting number of times " that 22 pairs of ratio calculating parts become molecule adds the count number " 1.1 " after the revisal, thereby obtains " 2.3 ".Therefore, by calculate the prompting ratio that has passed through this Stop and give way after the place as shown in the formula (4).
Remind ratio (%)=2.3/3 * 100=77 (%) ... (4)
In addition, in corresponding Stop and give way place with node n6 and n8 and same, therefore omit explanation with the situation in corresponding Stop and give way the place of node n2, but about having passed through the prompting ratio of (current location P) behind corresponding Stop and give way the place with node n8, by calculating as shown in the formula (5).
Remind ratio (%)=2.3/5 * 100=46 (%) ... (5)
1-11. evaluation information obtaining section
Evaluation information obtaining section 23 obtains unit performance function as evaluation information, and wherein, this evaluation information is obtained the unit according to the prompting ratio that ratio calculating part 22 is calculated, and obtains evaluation information 61.At this, as shown in Figure 1, evaluation information obtaining section 23 has integral and calculating portion 24, chart generating unit 25, the civilian obtaining section 26 of prompting and external information obtaining section 27.And evaluation information obtaining section 23 obtains integration information 62, the civilian information 63 of prompting, judgement schematics information 64, order information 65 and class information 66 as evaluation information 61.In addition, in storer 32, store Integral Rule 38 and reminder-data 37 by 23 references of evaluation information obtaining section.One example of the picture when Fig. 7 and Fig. 8 represent to be presented at display input device 47 by the evaluation information 61 that evaluation information obtaining section 23 obtains.At this, Fig. 7 is used to show the example of comprehensive evaluation picture of before this prompting ratio being carried out the result of comprehensive evaluation, Fig. 8 is an example that has shown the guide picture of judgement schematics information 64, wherein, above-mentioned judgement schematics information 64 is used for representing one by one the prompting rate of change when vehicle 3 travels.In addition, in the example of Fig. 8, except showing judgement schematics information 64, the steering map that also shows class information 66 and be used for path of navigation.
Integral and calculating portion 24 is calculated according to the integration of reminding ratio to give.At this moment, integral and calculating portion 24 calculates the integration of giving with reference to the Integral Rule 38 of storage in storer 32 according to this Integral Rule 38.This Integral Rule 38 is to have stipulated the rule of the relation between prompting ratio that ratio calculating part 22 calculates and the integration of giving.In the present embodiment, as an example, Integral Rule 38 is as follows: supposing to remind ratio is X (%), then (%) gives 1 integration to every (100-X).But, by reminding the prompting number of times of ratio to carry out revisal to being used to calculate, the prompting ratio that is calculated that travels each time of 22 pairs of vehicles 3 of ratio calculating part surpasses under the situation of 100 (%), give 0 integration (in other words, do not give integration), wherein, above-mentioned travelling each time from connecting primary power travelling during disconnect till the primary power.Perhaps, also can be that every (X-100) (%) detained the rule of 1 integration.
In addition, 24 pairs of integrations that travel each time that calculate as mentioned above of integral and calculating portion add up, thereby calculate the total mark that obtains before this.Total mark is every specified time limit accumulative total and gathers, for example every 1 year accumulative total and gather, and by 1 year, the accumulative total of starting from scratch once more, perhaps the aggregate-value of all integrations that will obtain before this is as total mark.Integration that travels each time that integral and calculating portion 24 calculated and total mark are stored in the storer 32 as vehicle integration data 39.Then, integral and calculating portion 24 is according to the vehicle integration data 39 that is stored in the storer 32, is presented on the display input device 47 being illustrated in the integration (last time obtaining integration) obtained in last time travelling and the integration information 62 of total mark.In example shown in Figure 7, such integration information 62 is presented on the part of comprehensive evaluation picture.
The Integral Rule 38 of 24 references of integral and calculating portion can be upgraded according to the lastest imformation that receives from Central Management Server 2.Carry out this renewal processing by upgrading handling part 30.That is, upgrade handling part 30 under the situation of the lastest imformation that receives Integral Rule 38 by receiving and transmitting part 11 from Central Management Server 2,, be updated in the Integral Rule 38 of storage in the storer 32 according to this lastest imformation.Thus, for example, update rule makes that the principal value of integral of giving is more suitable at any time; Can also be by change rule, the integration of being given in making during the qualification increases.In addition, the content of above-mentioned Integral Rule 38 only is an example, can set this regular content arbitrarily.Therefore, preferably, for example set Integral Rule 38 as follows: the distance that in once travelling, moves according to vehicle 3, even identical prompting ratio is also given different integrations.
Chart generating unit 25 generates charts and shows, constantly visually represents according to the safe driving ratio of reminding ratio to derive at each, wherein, the ratio of place safe driving that above-mentioned safe driving ratiometer is shown in that Stop and give way.Suppose that the prompting ratio is X (%), then derive (100-X) safe driving ratio (%) (%).By reminding the prompting number of times of ratio to carry out revisal to being used to calculate, remind ratio to surpass under the situation of 100 (%), the safe driving ratio is 0 (%).Particularly, as shown in Figure 8, chart generating unit 25 generates judgement schematics information 64, and this judgement schematics information 64 is used for being illustrated in one by one the variation of the safe driving ratio that travels of vehicle 3.In addition, chart generating unit 25 is presented at the judgement schematics information 64 that is generated on the display input device 47.This judgement schematics information 64 has the chart of mean value in the past of the chart of currency of safe driving ratio and safe driving ratio, and in abutting connection with disposing this 2 charts, makes the state that can contrast each other that is in.At this, the chart of the currency of safe driving ratio is used for, and is accompanied by travelling of vehicle 3, Yi Bian upgrade one by one from connect primary power till the current time during in safe driving ratio on the path of travelling, Yi Bian show this safe driving ratio.In addition, the chart of the mean value of the past information of the safe driving ratio on the path of travelling in during till the chart of the mean value in the past of safe driving ratio is used to show from the connection primary power to the disconnection primary power, thus when travelling each time, upgrades by vehicle 3 this value.In illustrated embodiment, two charts are column diagram.In addition, as the information of the safe driving ratio in past, use in guider 1 canned data or in Central Management Server 2, come canned data according to vehicle 3.
The prompting literary composition information 63 of pointing out civilian obtaining section 26 to obtain the content corresponding with reminding ratio.At this, the prompting literary composition information 63 of pointing out the reminder-data 37 of civilian obtaining section 26 from be stored in storer 32 to read and obtain the content corresponding with reminding ratio.In addition, point out civilian obtaining section 26 that obtained prompting literary composition information 63 is presented on the display input device 47.This points out civilian information 63 to be, is used for according to reminding ratio to transmit the information of the article of the evaluation content corresponding with reminding ratio to the driver.Fig. 9 represents to be stored in an example of the reminder-data 37 in the storer 32.According to this example, reminding ratio to be lower than under 20% the situation, the article of content of obtaining praise is as the civilian information 63 of prompting, in that to remind ratio be 20% or more and be lower than under 100% the situation, obtain recommend the content that reduces accelerator open degree, reduce the speed of a motor vehicle article as pointing out civilian information 63.In addition, ratio is under the situation 100 (%) more than reminding, and obtains stronger prompting and reduces accelerator open degree, reduces the article of content of the speed of a motor vehicle as pointing out civilian information 63.In example shown in Figure 7, the civilian information 63 of prompting is presented on the part of comprehensive evaluation picture.
The notification data 37 that is stored in the storer 32 can upgrade according to the lastest imformation that receives from Central Management Server 2.Carry out this renewal processing by upgrading handling part 30.That is, upgrade handling part 30 under the situation of the lastest imformation that receives notification data 37 by receiving and transmitting part 11 from Central Management Server 2,, be updated in the notification data 37 of storage in the storer 32 according to this lastest imformation.Thus, for example, as according to driver's driver behavior tendency or drive experience and wait the content that changes the civilian information 63 of prompting, content that can the civilian information 63 of prompting change to suitable content at any time.In addition, the content of above-mentioned reminder-data 37 only is an example, can set its content arbitrarily.
External information obtaining section 27 is used to obtain the processing from the evaluation information 61 of the Central Management Server 2 that is arranged on vehicle 3 outsides.Particularly, external information obtaining section 27 communicates by receiving and transmitting part 11 and Central Management Server 2, receives order information 65, class information 66 etc. by comparing the evaluation information 61 that gets with other vehicles 3.As described later, the guider 1 that Central Management Server 2 is configured to and is loaded on a plurality of vehicles 3 communicates, and collects and gather and the relevant information of prompting ratio from these a plurality of vehicles 3.In the present embodiment, Central Management Server 2 from the guider 1 of each vehicle 3 collect and gather the integration given according to reminding ratio, as calculate source information when reminding ratio count out with passing through and revisal after the information of prompting number of times, and genesis sequence information 65 and class information 66 are used as its summarized results.The external information obtaining section 27 of each guider 1 is with the order information 65 from opportunity (timing) to Central Management Server 2 and the class information 66 of asking and obtain generation like this of regulation.In the present embodiment, external information obtaining section 27 is asked order information 65 and class informations 66 to Central Management Server 2 when the primary power of the vehicle 3 that is mounted with guider 1 is switched on.
1-12. primary power monitoring unit
Primary power monitoring unit 28 is brought into play function as the primary power monitor unit, wherein, and the state of the main power switch 4 of this primary power monitoring unit monitors vehicle 3.And, thereby closed main power switch 4 is judged as the on-state of primary power to the state of each unit supply power of vehicle 3, thus will disconnect main power switch 4 is not judged as primary power to the state of each unit supply power of vehicle 3 off-state.
1-13. transmission handling part
Sending handling part 29 sent and the relevant information of prompting ratio to Central Management Server 2 in the moment of regulation.More particularly, send handling part 29 when the primary power of the vehicle 3 that is mounted with guider 1 is disconnected, to Central Management Server 2 send with from connect primary power till the disconnection primary power during the relevant information of prompting ratio.Judge the connection and the disconnection of primary power by primary power monitoring unit 28.In the present embodiment, send handling part 29 to Central Management Server 2 send according to from connect primary power till disconnecting primary power during the integration information that travels each time given of prompting ratio, become the source information calculated when reminding ratio count out with passing through and revisal after the information of prompting number of times.
2. the structure of Central Management Server
Then, the structure to Central Management Server 2 describes.As shown in Figure 2, Central Management Server 2 is configured to communicate with a plurality of guiders 1 that are loaded in a plurality of vehicles 3 respectively.And Central Management Server 2 is collected and is gathered and remind the relevant information of ratio from each guider 1, and according to the be correlated with evaluation information 61 of each guider 1 of the information generation that gathers.In addition, Central Management Server 2 is distributed the evaluation information 61 that is generated according to the request from each guider 1.
Each function portion of Central Management Server 2 shown in Figure 2 is constituted as: arithmetic processing apparatus such as common or difference independent CPUs as core component, are equipped with the function portion that is used for the data of being imported are carried out various processing at least a mode in hardware or the software (program).In the present embodiment, Central Management Server 2 has receiving and transmitting part 52, stores processor portion 53, aggregation process portion 54 and distribution processor portion 55, and with these unit as function portion.And these each function portions are constituted as exchange message each other such as the order wire of transmitting bus by numeral.At this, when the mode with software (program) constitutes under the situation of each function portion, this software is stored in the storage unit such as RAM, ROM that above-mentioned arithmetic processing apparatus can reference.In addition, customer data base 51 for example has storages such as hard disk drive, flash memories and can rewrite recording of information medium (storage unit) as hardware configuration.Below, the structure of each unit of the Central Management Server 2 of present embodiment is elaborated.
2-1. receiving and transmitting part
Receiving and transmitting part 52 have mode with radio communication, via wireless base station etc. and be loaded in the communicator that carries out data transmit-receive between the guider 1 on a plurality of vehicles 3.As this wireless communications method, can utilize the communication means common with the receiving and transmitting part 11 of guider 1.As above-mentioned, in the present embodiment, receiving and transmitting part 52 receives and reminds the relevant information of ratio from guider 1, particularly, receive according to the integration of reminding ratio to give, when becoming calculating prompting ratio source information count out with passing through and revisal after the information of prompting number of times.In addition, the passing through of receiving and transmitting part 52 navigation device 1 sending order information 65, class information 66 etc. compares the evaluation information 61 that gets with other vehicles 3, and is used for updating stored in revisal rule 40, the Integral Rule 38 of the storer 32 of guider 1, the lastest imformation of reminder-data 37.
2-2. stores processor portion
Stores processor portion 53 will be by guider 1 with the remind ratio relevant information stores that receive of receiving and transmitting part 52 on being loaded in each vehicle 3 the customer data base of dividing according to vehicle 3 51.As above-mentioned, in the present embodiment, the information relevant with reminding ratio comprises: according to the integration of reminding ratio to give, become source information when calculating the prompting ratio count out with passing through and revisal after the information of prompting number of times.At this, according to the information of the integration of reminding ratio to give specifically according to from connecting the integration information that travels each time that the prompting ratio of primary power during disconnect till the primary power given.In addition, count out by ground and revisal after the information of prompting number of times also from connecting the information of the distance of each time travelling of primary power during disconnect till the primary power.When each vehicle 3 breaks primary power, send the information of each time travelling of these information from guider 1, and receive these information at receiving and transmitting part 52 as this vehicle 3.Stores processor portion 53 with the relevant information stores with reminding ratio that will receive with the identifying information of each vehicle 3 and receiving time information associated state in customer data base 51.At this,, for example, can utilize the cognizance code of each vehicle 3 or each guider 1, the number-plate number of each vehicle 3 etc. as the identifying information of each vehicle 3.
2-3. aggregation process portion
The information relevant with the prompting ratio of each vehicle 3 that 54 pairs in aggregation process portion is stored in the customer data base 51 gathers, and generates the evaluation information 61 about each vehicle 3 (each guider 1).Particularly, aggregation process portion 54 is every specified time limit, the information of the integration that travels each time that receives from each vehicle 3 gathered, thus genesis sequence information 65, wherein, the order of the integration total that gets by more a plurality of vehicles 3 of this order information 65 expressions.In the present embodiment, the total of the integration that each vehicle obtains for 3 every months is calculated by aggregation process portion 54, thus generate that expression compares with other vehicles 3 and the order information 65 of order.And then aggregation process portion 54 gathers the integration that each vehicle 3 is obtained in specified time limit, thereby generates the class information 66 of the grade that expression gives according to its summarized results.In the present embodiment, the order that aggregation process portion 54 adds up to according to the integration of obtaining in specified time limit (for example, 1 year), order is high more, makes grade also high more, and order is low more, makes grade also low more, determines the grade of each vehicle 3 thus.In addition, about the grade in initial specified time limit, can be set at the lowest class or intermediate grade etc. arbitrarily.Order information 65 that is generated and class information 66 are stored in customer data base 51 with the identifying information associated state with each vehicle 3.
In addition, the information of the integration that travels each time that aggregation process portion 54 receives from each vehicle 3 each vehicle 3 accumulative totals, and calculate the total mark that obtains before this.As mentioned above, total mark is the aggregate-value of accumulative total in each specified time limit, or the aggregate-value of all integrations of obtaining before this.The information of the total mark of being calculated is to be stored in the customer data base 51 with the identifying information associated state of each vehicle 3.The information that so is stored in the total mark in the customer data base 51 is used for being stored in the backup (back up) of information of total mark of storer 32 of each guider 1 and affirmation etc.Therefore, the information as the total mark of vehicle integration data 39 in this information and the storer 32 that is stored in guider 1 is consistent.
2-4. distribution processor portion
3. action processing procedure
Then, the process (safe driving evaluation method) that the safe driving evaluation of carrying out in the guider 1 of present embodiment is handled describes.Figure 10 is the process flow diagram of the whole process handled of the safe driving evaluation of expression present embodiment.In addition, Figure 11 is the process flow diagram of process of prompting ratio computing of the step # 05 of expression Figure 10.Below, describe according to process flow diagram.
3-1. the whole process that the safe driving evaluation is handled
At first, the whole process that the safe driving evaluation is handled describes.As shown in figure 10, under the situation of the main power switch 4 of having connected the vehicle 3 that is mounted with guider 1 (step #01: be), external information obtaining section 27 is asked order information 65 and the class information 66 of conduct at the evaluation information 61 of this vehicle 3 to Central Management Server 2, thereby receives these information (step #02).Then, show comprehensive evaluation picture (step #03).As shown in Figure 7, this comprehensive evaluation picture shows: be illustrated in the integration (last time obtaining integration) obtained in the travelling last time and integration information 62, prompting civilian information 63, order information 65 and the class information 66 of total mark.At this, calculate integration information 62 by integral and calculating portion 24, and the vehicle integration data 39 from be stored in storer 32 is obtained this integration information 62.Obtain the civilian information 63 of prompting as follows, that is, point out read in the notification data 37 of civilian obtaining section 26 from be stored in storer 32 with last time travelled in the prompting literary composition information 63 of the corresponding content of prompting ratio, obtain the civilian information 63 of above-mentioned prompting thus.In step #02, receive and obtain order information 65 and class information 66 from Central Management Server 2.The comprehensive evaluation picture disposes these information with the form of regulation.
And under the situation that vehicle 3 begins to travel (step #04: be), ratio calculating part 22 calculates reminds ratio (step # 05).Remind the ratio computing about this,, will be elaborated in the back according to the process flow diagram of Figure 11.Then, chart generating unit 25 generates and demonstration judgement schematics information 64 (step # 06).As shown in Figure 8, judgement schematics information 64 is that the chart of visually representing the safe driving ratio of deriving according to each prompting ratio constantly shows, has the chart of the past mean value of the chart of currency of safe driving ratio and safe driving ratio.The processing of repeated execution of steps # 05 and #06 is till primary power is disconnected.Therefore, behind the primary power of connecting vehicle 3, be disconnected (step #07: not), calculate each prompting ratio constantly at any time, and on display input device 47, show this judgement schematics information 64 of each safe driving ratio constantly of expression until primary power.
Afterwards, under the situation that primary power is disconnected (step #07: be), send handling part 29 to Central Management Server 2 send with from connect primary power till the disconnection primary power during the relevant information (step #08) of prompting ratio.At this, as above-mentioned, the information relevant with reminding ratio that is sent comprises: the integration information that travels each time, become source information when calculating the prompting ratio count out with passing through and revisal after the information of prompting number of times.At this, the integration information that travels each time is according to from connecting the information of the integration that the prompting ratio of primary power during disconnect till the primary power give.In addition, from connect primary power to disconnect till the primary power during the prompting ratio equal the prompting ratio in this moment of before just disconnecting primary power, calculating by step #05.More than, termination of security is driven the whole process of handling of estimating.
3-2. remind the ratio calculation processes
Below, the process of the prompting ratio computing of the step # 05 of Figure 10 is described.As shown in figure 11, at the vehicle 3 that is mounted with guider 1 during near Stop and give way place, that is, and during near first assigned position (step #21: be), notifier processes portion 16 is by 48 pairs of driver's channeling conducts of instantaneous speech power, promptly points out the place (step #22) that has that Stop and give way, the place ahead.Then, driving condition obtaining section 14 obtains the current driving condition (step #23) of vehicle, and datum situation obtaining section 15 obtains benchmark driving condition (step # 24).Then, notifier processes portion 16 is according to the current driving condition of the vehicle of obtaining in step # 23 and the benchmark driving condition of obtaining in step # 24, they are compared, can not be thereby judge whether to exist in the possibility (step #25) of Stop and give way place emergency.When being judged as the possibility that existence can not be at Stop and give way place emergency (step #25: be), notifier processes portion 16 is used to remind driver's voice guide (step #26) by instantaneous speech power 48.
Afterwards, well-behaved in spending obtaining section 17 according to the current driving condition of the vehicle of in step #23, obtaining and the benchmark driving condition of in step #24, obtaining, obtain well-behaved from degree (step #27).At this, obtain well-behavedly respectively from degree about the speed of a motor vehicle and brake service amount, well-behavedly obtain wherein bigger well-behaved from degree from degree obtaining section 17.Evaluation branch (step #28) when then, estimating branch obtaining section 18 and obtain by Stop and give way place.As above-mentioned, when at every turn in regional A1, A2, detecting the driver behavior of assessment item, estimate divide obtaining section 18 with reference to evaluation score according to 36, obtain the evaluation branch corresponding with this driver behavior, therefore, estimate the total that branchs obtaining section 18 obtains them and divide as estimating branch.Then, ratio calculating part 22 is well-behaved in the evaluation branch of spending and obtaining in step #28 according to what obtain in step #27, and the revisal rule 40 with reference to being stored in the storer 32 obtains revisal count number (step #29).Then, 22 pairs of ratio calculating parts add count number " 1 " " counting out by ground " of becoming denominator of being used for calculating the calculating formula (1) of reminding ratio, and " the prompting number of times " that becomes molecule added " 1+ (revisal count number) ", thereby update notifying ratio (step #30).On the other hand, be judged as (step #25: not) under Stop and give way place can the situation of emergency in notifier processes portion 16, ratio calculating part 22 is only to adding count number " 1 " " counting out by ground " of becoming denominator of being used for calculating the calculating formula (1) of reminding ratio, thus update notifying ratio (step #31).In addition, when Stop and give way the place of first pass after connecting the primary power of vehicle 3, in step #30 or #31, recomputate the prompting ratio.Afterwards, handle and to get back to step #21, vehicle 3 travels, and during by Stop and give way place, the update notifying ratio calculates each prompting ratio constantly each.
Second embodiment
Below, with reference to accompanying drawing second embodiment of the present invention is described.The safe driving evaluation system of present embodiment does not have Central Management Server 2, is made of guider 1 monomer as safe driving evaluating apparatus 102, and this point and first embodiment have very big difference.Below, being the center with the difference with first embodiment describes the guider 1 of present embodiment.In addition, the part that does not specify is identical with first embodiment.Vehicle be positioned at Stop and give way place under the situation of the scope of predetermined distance, the safe driving evaluating apparatus 102 of present embodiment is according to the assessment item relevant with the driver behavior of vehicle, evaluate safety is driven degree, and according to this evaluation, the output evaluation information.Guider 1 carries out common navigation processing such as route guidance, and when the place of having passed through that Stop and give way, the corresponding evaluation information of being estimated to driver's notice and safe driving evaluating apparatus 102 of evaluation content.Figure 12 is the block diagram of schematic configuration of the guider 1 of expression present embodiment.Figure 13 is the figure that expression is stored in an example of the evaluation submeter 134 in the storer 32.Figure 14 is the figure of an example that the display input device 47 of evaluation information has been exported in expression.
2-1. storer
2-2. navigation operational part
In addition, navigation has notifier processes portion 111 with operational part 13.Notifier processes portion 111 is with reference to the parking site information and the vehicle positional information that are stored in the map data base 31, at vehicle during near first assigned position in front of Stop and give way the place, carry out voice guide by instantaneous speech power 48, promptly point out the place that has that Stop and give way, the place ahead.At this, first assigned position is, will Stop and give way the place as benchmark, on vehicle heading with place, Stop and give way place at a distance of certain distance (rear side of vehicle), wherein, this certain distance be for by carry out suitable brake operating can be more than sufficiently in this Stop and give way distance (for example, 100m can suitably change) that the place stops and need.During near first assigned position in front of Stop and give way the place, carry out such voice guide at vehicle all the time.
In addition, at vehicle during near second assigned position in front of Stop and give way the place, the current driving condition of the vehicle obtained according to driving condition obtaining section described later 14 be judged as existence can not situation in the possibility of Stop and give way place emergency under, notifier processes portion 111 is used to remind driver's voice guide by 48 couples of drivers of instantaneous speech power.At this, second assigned position is the position than more approaching Stop and give way the place of first assigned position, and second assigned position is, will Stop and give way the place as benchmark, on vehicle heading with should Stop and give way the place at a distance of the place of certain distance (rear side of vehicle), wherein, above-mentioned certain distance is, for Stop and give way at this place stops and the shortest distance that needs (for example, 20m can suitably change).For example, be also to carry out hardly more than the certain speed under the situation of brake operating in the speed of a motor vehicle, being judged as existence can not be in the possibility of Stop and give way place emergency, and reminds the driver.On the other hand, being judged as under Stop and give way place can the situation of emergency, do not remind the driver.For example, suitably carrying out brake operating, thereby making the speed of a motor vehicle reduce under the following situation of certain speed, being judged as in Stop and give way place can emergency, does not remind the driver.In addition,, can adopt following structure in the guiding in the place of carrying out that Stop and give way or when reminding the driver: come display text, icon by display input device 47, thus channeling conduct, perhaps, and with the guiding and the voice guide that pass through literal, icon display etc.
2-3. driving condition obtaining section
In the present embodiment, driving condition obtaining section 14 is connected towards sensor 128 with accelerator open degree sensor 44, brake service quantity sensor 45, vehicle speed sensor 46, spacing sensor 127 and face.Spacing sensor 127 is the sensors that are used for the inspection vehicle distance.For example, to vehicle front irradiating laser or millimeter wave, and according to from sending laser to the time inspection vehicle distance that is received in till the reflection wave that driving earlier reflects.Face are faces of being used to detect the driver towards sensor 128 towards sensor.For example, according to from CCD (Charge Coupled Device: charge-coupled device (CCD)) information that obtains such as video camera or the line-of-sight detection sensor face of judging the driver towards, thereby can judge whether the driver is seeing the place ahead.
Therefore, in the present embodiment, driving condition obtaining section 14 obtains accelerator open degree, brake service amount, the speed of a motor vehicle, spacing and face towards the driving condition that is used as vehicle.In addition, wherein relevant information with the brake service amount and the speed of a motor vehicle be output to navigation with operational part 13, be used for judging and do not remind the place that has that Stop and give way, the place ahead.In addition, accelerator open degree, the speed of a motor vehicle, spacing and face be towards estimating the assessment item that divides E corresponding to being used to derive, and wherein, above-mentioned evaluation divides E in evaluation described later portion 106 the safe driving degree to be quantized to handle and estimate and get.Be output to evaluation portion 106 towards relevant information with accelerator open degree, the speed of a motor vehicle, spacing and face, thereby be used to estimate the derivation of branch E.
2-4. evaluation portion
Evaluation portion 106 is as evaluation unit performance function, wherein, this evaluation unit vehicle be positioned at Stop and give way place under the scope situation of the distance of regulation, derive according to the assessment item relevant to come to the quantize processing and estimate the evaluation that gets and divide E of safe driving degree with the driver behavior of vehicle.Evaluation portion 6 is constituted as: in each regional A1, A2, derive assessment item according to one or more relevant with the driver behavior of vehicle and come the quantize processing and estimate the evaluation that gets and divide E of safe driving degree.
At this, estimate dividing E is according to comprising that accelerator open degree changes and the assessment item of at least one in changing of the speed of a motor vehicle is derived.In the present embodiment, in addition, spacing can also be changed and face towards changing as assessment item.And, in the present embodiment, preestablish sure driver behavior and negative driver behavior at each assessment item.At this, sure driver behavior is the driver behavior that helps at Stop and give way place emergency.For example, change, understand that for example accelerator open degree reduces about accelerator open degree; Change about the speed of a motor vehicle, understand that for example the speed of a motor vehicle reduces; Change about spacing, understand that for example spacing increases; , for example understand towards variation about face always towards the place ahead.In the table of Figure 13, the driver behavior of having "+" is sure driver behavior.
In addition, the driver behavior of Fou Dinging is the driver behavior that hinders at Stop and give way place emergency.For example, change, understand that for example accelerator open degree increases about accelerator open degree; Change about the speed of a motor vehicle, understand that for example the speed of a motor vehicle improves; Change about spacing, understand that for example spacing reduces; , for example understand and do not see the place ahead and gaze around always towards variation about face.In the table of Figure 13, the driver behavior of having "-" is sure driver behavior.
In addition, be the neither favourable driver behavior that does not also hinder in the neutrality of Stop and give way place emergency with the driver behavior of " 0 ", should not influence with the driver behavior of " 0 " and estimated the derivation that divides E.For example, change and the spacing variation, for example understand all less than changing about accelerator open degree variation, the speed of a motor vehicle; , for example understand to make the driver see the place ahead towards variation about face by notice.In addition, referred in this " notice " comprise that navigation is 13 that carried out with operational part, the voice guide and the prompting of the content in the place that has that Stop and give way, the place ahead.
More particularly, evaluation portion 106 monitors often that in each regional A1, A2 accelerator open degree variation, speed of a motor vehicle variation, spacing variation and face are towards variation, and obtain their variable quantity in each zone, and the evaluation of deriving each assessment item according to this variable quantity divides E.At this moment, under the variable quantity situation within the limits prescribed of each assessment item, be not made as not variation, under the situation of the threshold value that surpasses regulation, be made as variations such as increase or minimizing have taken place.For example, if accelerator open degree is 0% when closing throttle fully, be 100% when opening throttle fully, in the scope of absolute value 10% of its variable quantity the time, be not made as and change, on the other hand, surpass at 10% o'clock, be made as and taken place that accelerator open degree increases or accelerator open degree reduces at the absolute value of its variable quantity.In addition,, in the scope of absolute value below 5km/h of its variable quantity the time, be not made as and change, on the other hand, when the absolute value of its variable quantity surpasses 5km/h, be made as and taken place that the speed of a motor vehicle improves or the speed of a motor vehicle reduces about the speed of a motor vehicle.Wherein, only illustrate, can suitably change at numerical value such as 10% shown in this, 5km/h.And when detecting the variation that surpasses defined threshold like that, evaluation portion 6 derives to estimate at the driver behavior of assessment item and divides E at every turn.
In addition, according to output, according to the difference derivation accelerator open degree variation of the accelerator open degree before current throttle aperture and unit interval from accelerator open degree sensor 44.Based on output, according to the difference derivation speed of a motor vehicle variation of the speed of a motor vehicle before current vehicle speed and unit interval from vehicle speed sensor 46.Based on output, according to the difference derivation spacing variation of the spacing before current spacing and unit interval from spacing sensor 127.Based on from the output of face towards sensor 128, according to the face of current driver's towards with the unit interval before face towards difference derive face towards variation.Wherein,, be not only it is changed as evaluation object towards variation about face, face is towards itself also being evaluation object.Promptly be set at: towards not having when always towards the front, to give sure evaluation branch under the situation about changing, when gazing around, give negative evaluation branch in face always.
According to assigning to derive evaluation branch E for the sure evaluation branch of sure driver behavior with for the evaluation negating of the driver behavior negating.Sure evaluation branch is a factor of estimating the timesharing bonus point deriving, and negative evaluation branch is a factor of estimating the timesharing deduction of points deriving.Promptly, be judged as under the situation of having carried out sure driver behavior, add the sure evaluation branch corresponding, be judged as under the situation of having carried out negative driver behavior, deduct the evaluation branch negating corresponding with this sure driver behavior with this sure driver behavior.When derive to estimate dividing E, evaluation portion 106 is according to the driving condition of the obtained vehicle of driving condition obtaining section 14, with reference to the evaluation submeter 134 that is stored in the storer 32.One example of evaluation submeter 134 of 106 references of evaluation portion of present embodiment is shown at Figure 13.As above-mentioned, in the present embodiment, set a plurality of regional A1, A2 in that Stop and give way between the place and first assigned position, evaluation portion 106 is constituted as, safe driving degree in each regional A1, A2 quantized handle and estimate, divide an E thereby derive to estimate.Corresponding to this, in illustrated evaluation submeter 134, each regional A1, A2 are set with the basic evaluation branch of driver behavior (comprising sure driver behavior and negative driver behavior) respectively at each assessment item.At this, the basic evaluation branch is to be used to derive estimate the basis of dividing E, estimates and divides the notion of E to comprise this basic evaluation branch.In addition, the basic evaluation branch comprises the evaluation branch that sure evaluation divides and negates.
As can be seen from Figure 13, even the driver behavior of identical assessment item is set with different basic evaluation branches in regional A1 and regional A2.In illustrated embodiment, about the sure driver behavior with regard to accelerator open degree changes is that accelerator open degree reduces, with the regional A2 of Stop and give way place close together apart in be set with basic evaluation branch " 6 ", with Stop and give way place distance apart regional A1 far away in be set with " 15 " bigger than basic evaluation branch " 6 ".Sure driver behavior is the driver behavior that helps emergency, near Stop and give way place the time, to carry out above-mentioned sure driver behavior certainly, relative therewith, with Stop and give way place at a distance of to a certain degree apart from the time might not carry out above-mentioned sure driver behavior.But for more safely stop in the place in that Stop and give way, it is effective carrying out sure driver behavior as early as possible, therefore, for more this driving behavior of prize so highly, the distance in the place of leaving that Stop and give way is far away more, and the value that will divide the sure evaluation of sure driver behavior is set greatly more.In addition, the sure evaluation to the sure driver behavior of other assessment items divides too.
On the other hand, about the driver behavior negating with regard to accelerator open degree changes is that accelerator open degree increases, with Stop and give way place distance apart regional A1 far away in, be set with basic evaluation branch " 6 ", with the regional A2 of Stop and give way place close together apart in, be set with " 15 " bigger than basic evaluation branch " 6 ".The driver behavior negating is the driver behavior that hinders emergency, even under the situation of certain distance, carrying out above-mentioned negative driver behavior a little with Stop and give way place, in driver behavior thereafter, also might be at this Stop and give way place emergency, but it is relative therewith, when near Stop and give way place the time, carrying out above-mentioned negative driver behavior, be absorbed in breakneck situation sometimes.Therefore, in order to warn aforesaid driving behavior, near more from the distance in Stop and give way place, the value that will divide for the evaluation negating of the driver behavior negating is set greatly more.In addition, the evaluation negating for the driver behavior negating of relevant other assessment items divides too.Like this, evaluation portion 106 is constituted as, and changes the basic evaluation branch that the driver behavior of identical assessment item is given according to operating distance.
In addition, as can be seen from Figure 13, even the sure driver behavior in the same area A1, the A2, the sure evaluation of each assessment item divides also can get different values.In illustrated embodiment, in regional A1,, be set with "+4 " at see the place ahead always; At the increase of spacing, be set with "+6 " bigger than "+4 ".In addition, reduce, be set with than "+4 ", "+6 " big "+10 " at the speed of a motor vehicle; Reduce at accelerator open degree, be set with than "+4 ", "+6 ", "+10 " big "+15 ".Be used for the various driver behaviors of emergency, the importance degree that is used to stop is different respectively.For example, usually, when stopping, it is highly important that: reduce accelerator open degree, and increase the brake service amount, thereby the speed of a motor vehicle is reduced.With respect to this, we can say preferably guarantee and front vehicles between spacing wide as far as possible, but might not need to increase spacing.Similarly, about driver's face towards, we can say and preferably see the place ahead, as long as but can confirm the place ahead, might not see the place ahead all the time.Therefore, in evaluation submeter shown in Figure 13, make the size of dividing according to the importance degree that is used to stop and difference for the basic evaluation of each driver behavior.In addition, divide too about the evaluation negating.
Then, the evaluation of being estimated with concrete example explanation evaluation portion 106 derivation that divides E.In this example, in the regional A1 and A2 in the example of Fig. 4, obtain the driver behavior situation of the vehicle of each assessment item.And, for example, suppose in regional A1 that accelerator open degree reduces, and the speed of a motor vehicle reduces, and the spacing between the vehicle that travels forwardly keeping roughly certain distance, the driver is seeing the place ahead always before and after receiving guide announcement.In addition, at this, supposed in regional A1, to detect respectively above the accelerator open degree of defined threshold and the variation of the speed of a motor vehicle one by one.Under these circumstances, evaluation portion 106 obtains the basic evaluation branch corresponding with the driver behavior of each assessment item with reference to the evaluation submeter 134 (especially A1 row) of Figure 13.Particularly, change, obtain "+15 ", change, obtain "+10 ", change, obtain " 0 ", towards variation, obtain "+4 " at face at spacing at the speed of a motor vehicle at accelerator open degree.In addition, for example, suppose in regional A2 that accelerator open degree reduces, and the speed of a motor vehicle reduces, and the spacing between the vehicle that travels forwardly increases, the driver is receiving that the guide announcement self-consistentency sees the place ahead.In addition, at this, suppose in regional A2, to detect respectively the variation of the accelerator open degree, the speed of a motor vehicle and the spacing that surpass the threshold value of stipulating.Under these circumstances, evaluation portion 106 obtains the basic evaluation branch corresponding with the driver behavior of each assessment item with reference to the evaluation submeter 134 (especially A2 row) of Figure 13.Particularly, change, obtain "+6 ", change, obtain "+4 ", change, obtain "+3 ", towards variation, obtain "+2 " at face at spacing at the speed of a motor vehicle at accelerator open degree.
The evaluation branch to each driver behavior is derived according to the basic evaluation branch of obtaining for the driver behavior of each assessment item by evaluation portion 106 in regional A1 and A2.That is, for each driver behavior, add up to the basic evaluation branch of regional A1 and the basic evaluation branch of regional A2, the evaluation of deriving thus each driver behavior divides E.In this example, change, derive "+21 ", change, derive "+14 ", change, derive "+3 ", towards variation, derive "+6 " at face at spacing at the speed of a motor vehicle at accelerator open degree.The evaluation of deriving divides E to be output to evaluation information obtaining section 23.
2-5. evaluation information obtaining section
Evaluation information obtaining section 23 obtains unit performance function as evaluation information, and wherein, this evaluation information is obtained the unit and divided E to obtain evaluation information according to estimating.In the present embodiment, evaluation information obtaining section 23 obtains comprehensive score information and information as evaluation information.At this, the evaluation that comprehensive mark information representation combines each assessment item divides the comprehensive evaluation branch of E, and information is represented and estimated the corresponding suggestion to the driver of branch E.
Calculate comprehensive score information by comprehensive mark calculating part 108.In the present embodiment, comprehensive mark calculating part 108 divides E according to the evaluation of each assessment item, and they are comprehensively calculated the comprehensive evaluation branch.More particularly, comprehensive 108 pairs of mark calculating parts are used to calculate composite basis branch (for example 0 minute) that comprehensive evaluation divides and add sure evaluation branch to each driver behavior respectively, and deduct the evaluation branch negating respectively, calculate the comprehensive evaluation branch thus each driver behavior.In above-mentioned example, at accelerator open degree change, the speed of a motor vehicle changes, spacing changes and face towards variation, sure evaluation branch "+21 ", "+14 ", "+3 " and "+6 " have been derived respectively, therefore by they being added to the composite basis branch, calculate comprehensive mark " 44 minutes " (in this example, do not derive the evaluation branch negating, therefore do not deduct points).In addition, can suitably change above-mentioned composite basis branch, above-mentioned composite basis branch can be the predefined fixed value beyond 0 minute, also can be the cumulative point that divides of the comprehensive evaluation that obtains in the past etc.Be used as under the situation that composite basis divides at the cumulative point that comprehensive evaluation is divided, this cumulative point is stored in storer 32 grades gets final product.
By pointing out civilian obtaining section 26 to obtain information.In the present embodiment, point out civilian obtaining section 26, obtain the suggestion at driver corresponding with estimating branch E according to the prompting literary composition table 136 that is stored in the storer 32.In the present embodiment, point out civilian obtaining section 26, divide E, obtain the suggestion of the low relatively assessment item of relevant evaluation in the suggestion from be stored in the civilian table 136 of prompting with reference to evaluation for each assessment item at the actual driver behavior that carries out.In other words, mainly obtain the suggestion of relevant following driver behavior, above-mentioned driver behavior is to become to make comprehensive evaluation divide reduction or inhibition comprehensive evaluation to divide the driver behavior of the reason that rises.In above-mentioned example, change not obtain sure evaluation branch (being deducted sure evaluation branch "+6 ") about the spacing of regional A1, so the rising of comprehensive evaluation branch is suppressed.Therefore, obtain with the vehicle that travels forwardly between spacing keep the corresponding suggestion of the situation of certain distance roughly ", then can more safely travel " as information if spacing is increased.Like this, by obtaining the suggestion of the low relatively assessment item of relevant evaluation, can be related to the suitable prompting of the improvement of driver behavior to driver's notice.
In addition, in the civilian table 136 of prompting, the prompting literary composition is set at each driver behavior of assessment item, therefore in the present embodiment, as shown in figure 13, as benchmark, one stores aforesaid evaluation submeter 134 and the civilian table 136 of prompting with each driver behavior.Comprehensive score information and information as the obtained evaluation information of evaluation information obtaining section 23 are output to display input device 47, each during by Stop and give way place, the evaluation when showing based on Stop and give way by this place on display input device 47 divides the evaluation information of E.
Figure 14 represents to receive the example of display input device 47 of the output of evaluation information.In illustrated embodiment, the lower zone in the display frame of display input device 47 shows based on the comprehensive evaluation of comprehensive score information and divides and based on the suggestion that proposes to the driver of information.In addition, not only, also can together export evaluation information from instantaneous speech power 48 from display input device 47 output evaluation informations.That is, also can adopt following structure: on display input device 47, show as illustrated in fig. 14, and notify comprehensive evaluation to divide and in the mode of voice to driver's suggestion from instantaneous speech power 48.
2-6. processing procedure is estimated in safe driving
Below, the process that safe driving evaluation guider 1, that carry out in safe driving evaluating apparatus 102 that is applicable to present embodiment is handled describes.Figure 15 is the process flow diagram of processing sequence of the safe driving evaluation method of expression present embodiment.Below the safe driving of explanation is estimated processing procedure and is carried out by the hardware of each the function portion that constitutes above-mentioned safe driving evaluating apparatus 102 or software (program) or their combination.Constitute in mode under the situation of each function portion of safe driving evaluating apparatus 102 with program, arithmetic processing apparatus that safe driving evaluating apparatus 102 is had carries out work as the computing machine that is used to carry out safe driving evaluation method, wherein, above-mentioned safe driving evaluation method constitutes each above-mentioned function portion.
At first, at vehicle during near first assigned position in front of Stop and give way the place, navigation with operational part 13 to driver's guiding, prompting the place ahead has that Stop and give way place (step #101).Driving condition obtaining section 14 is in that zone far away, position is a driving condition (step #102) of obtaining vehicle in the regional A1 from Stop and give way.Evaluation portion 106 obtains accelerator open degree variation, speed of a motor vehicle variation, spacing variation and face towards variation according to the driving condition of the vehicle of obtaining in step #102, and obtains the basic evaluation branch (step #103) to each driver behavior.Notifier processes portion 111 judges whether to need to remind driver (step #104) according to the current driving condition of vehicle.Be judged as under the situation that needs to remind (step #104: be), notifier processes portion 111 is used to remind driver's voice guide (step #105).On the other hand, be judged as (step #104: not), enter step #106 under the situation that does not need to remind.
Driving condition obtaining section 14 is in that nearer zone, position is a driving condition (step #106) of obtaining vehicle in the regional A2 from Stop and give way.Evaluation portion 106 obtains accelerator open degree variation, speed of a motor vehicle variation, spacing variation and face towards variation according to the driving condition of the vehicle of obtaining in step #106, and obtains the basic evaluation branch (step #107) to each driver behavior.Evaluation portion 106 derives evaluation to each driver behavior and divides E (step #108) according to each obtained in regional A1 and A2 basic evaluation branch.Evaluation information obtaining section 23 is divided E according to estimating, and obtains evaluation information (step #109).Obtained evaluation information is output to display input device 47, is displayed on (step #110) on the display input device 47.More than, termination of security is driven to estimate and is handled.
The 3rd embodiment
Below, with reference to accompanying drawing, the 3rd embodiment of the present invention is described.The structure of guider 1 of safe driving evaluating apparatus 102 with present embodiment is roughly the same with the structure of the guider 1 of first embodiment basically, derives to estimate and divides the deriving method of E different with the guider 1 of second embodiment but have operating distance obtaining section 105 this point and evaluation portion 106.Thereby the partial information that is stored in the storer 32 is also different.In addition, the computing method of the comprehensive mark calculating part 108 calculating comprehensive evaluations branches of evaluation information obtaining section 23 are also different.Below, serve as that main guider 1 to present embodiment describes with difference with second embodiment.In addition, the part that is not illustrated especially is identical with second embodiment.Figure 16 is the block diagram of schematic configuration of the guider 1 of expression present embodiment.Figure 17 is the figure that expression is stored in the example of the evaluation coefficient Figure 135 in the storer 32; Figure 18 is the figure that expression is stored in an example of the contribution ratio table 137 in the storer 32.Figure 19 is the figure of an example of display input device 47 that receives the output of evaluation information.
3-1. storer
3-2. operating distance obtaining section
The operating distance that 105 performances of operating distance obtaining section obtain operating distance is obtained the function of unit, and wherein, aforesaid operations is apart from expression Stop and give way place and carried out distance between the place of the relevant driver behavior of assessment item.As above-mentioned, in map data base 31, store parking site information.In addition, obtain the vehicle positional information of the current location of expression vehicle by vehicle positional information obtaining section 12.Operating distance obtaining section 105 obtains operating distance according to the vehicle positional information and the parking site information in the place of the driver behavior that has carried out assessment item.The operating distance of obtaining by operating distance obtaining section 105 is output to evaluation portion 106.
3-3. evaluation portion
Evaluation portion 106 is as evaluation unit performance function, wherein, above-mentioned evaluation unit, vehicle be positioned at Stop and give way place under the scope situation of the distance of regulation, according to the assessment item relevant with the driver behavior of vehicle, derive to the safe driving degree quantize handle and estimate and evaluation divide E.At this, in the present embodiment,, be set with from Stop and give way place to carrying out voice guide and point out the distance in the place in the place that has that Stop and give way, the place ahead as the distance of regulation, that is, and to the distance (for example 100m) of first assigned position.And, in that Stop and give way between the place and first assigned position, detect under the situation of its variable quantity above the driver behavior of defined threshold at driver behavior for assessment item, the operating distance that evaluation portion 106 is obtained according to operating distance obtaining section 105, with reference to the evaluation coefficient Figure 135 that is stored in the storer 32, thereby obtain the evaluation coefficient corresponding (β) with this operating distance.And the aggregate-value that obtained evaluation coefficient (β) and predefined benchmark integration are derived by evaluation portion 106 divides E as estimating.In addition, predefined benchmark integration is a steady state value, and the size of evaluation coefficient (β) is directly connected to estimates the size of dividing E.Evaluation portion 106, at every turn with Stop and give way place when detecting the driver behavior of assessment item in the scope of predetermined distance, carry out such processing.
In Figure 17, the example of evaluation coefficient Figure 135 of 106 references of evaluation portion of present embodiment is shown roughly.From this figure as can be known, evaluation coefficient (β) is got different values according to operating distance.That is, about sure driver behavior, operating distance is long more, sets the value of evaluation coefficient (β) big more, and about the driver behavior negating, operating distance is short more, sets the value of evaluation coefficient (β) big more.In illustrated embodiment, evaluation coefficient (β) (linear function) along with operating distance point-blank changes.As above-mentioned, the aggregate-value of deriving evaluation coefficient (β) and predefined benchmark integration is used as estimating and divides E, therefore, in the present embodiment similarly, operating distance is long more, and the value that sure evaluation divides is big more, operating distance is short more, and the value that the evaluation negating divides is big more.So the reason of the relation between setting operation distance and the evaluation coefficient (β) is, in order to impel as being used for the driving behaviors such as warming-up exercise of emergency as early as possible, and discipline as a warning as driving behavior in the breakneck situation etc. of nearby being absorbed in Stop and give way place.In the present embodiment, by having such evaluation coefficient Figure 35, also can be appropriately weighted under the different respectively situation in the position of the driver behavior that detects assessment item according to operating distance, divide E thereby derive to estimate.
Below, the derivation that the evaluation of being carried out with concrete example explanation evaluation portion 106 divides E.At this, suppose in that place distance apart is respectively X with Stop and give way
1～X
4The place, confirmed that respectively the accelerator open degree that surpasses defined threshold reduces, the speed of a motor vehicle descends, spacing reduces, spacing increases.Under these circumstances, evaluation portion 106 is with reference to evaluation coefficient Figure 135 of Figure 17, obtains the evaluation coefficient corresponding with each place and the distance (operating distance) that Stop and give way between the place and (is respectively β
1, β
2, β
3, β
4).Wherein, β
1, β
2And β
4Be evaluation coefficient to sure driver behavior, β
3It is evaluation coefficient to the driver behavior negating.At this moment, suppose that predefined benchmark integration is B, then derives β
1B is as in that place distance apart is X with Stop and give way
1The sure evaluation branch that changes of the accelerator open degree in place, derive β
2B is as at X
2The sure evaluation branch that changes of the speed of a motor vehicle in place, derive β
4B is as at X
4The sure evaluation branch that changes of the spacing in place.In addition, derive β
3B is as in that place distance apart is X with Stop and give way
3The evaluation branch negating that changes of the spacing in place.
3-4. evaluation information obtaining section
Evaluation information obtaining section 23 obtains unit performance function as evaluation information, and wherein, above-mentioned evaluation information is obtained the unit and divided E to obtain evaluation information based on estimating.The evaluation that the evaluation information obtaining section 23 of present embodiment is calculated each assessment item respectively divides E and the aggregate-value of contribution ratio (α) that this assessment item is set.One example of contribution allocation table 137 of 106 references of evaluation portion of present embodiment roughly is shown in Figure 18.As shown in the drawing, each assessment item is set with contribution ratio (α).At this, suppose that the contribution ratio that accelerator open degree changes is α
A, the contribution ratio that changes of the speed of a motor vehicle is α
B, the contribution ratio that changes of spacing is α
C, face is α towards the contribution ratio that changes
D, then in the present embodiment, the importance degree according to being used for emergency is set at α
A＞α
B＞α
C＞α
DPromptly, reduce for the increase of the minimizing of very important accelerator open degree when the emergency, brake service amount and with the speed of a motor vehicle of its generation, set higher contribution ratio, for the driver behavior that might not observe be that spacing changes, face is towards variation, sets lower contribution ratio.
The evaluation of each assessment item that comprehensive mark calculating part 108 is comprehensively calculated by evaluation information obtaining section 23 divides E and each aggregate-value of contribution ratio (α) that this assessment item is set, thereby calculates the comprehensive evaluation branch.At this moment, it is as follows to be used to calculate the formula that comprehensive evaluation divides in above-mentioned example.
Comprehensive evaluation branch=C+ α
Aβ
1B+ α
Bβ
2B-α
Cβ
3B+ α
Cβ
4B
At this, C represents to be used to calculate the composite basis branch that comprehensive evaluation is divided.So the comprehensive evaluation branch as evaluation information that calculates is output to display input device 47.In addition, in the present embodiment, represent that the evaluation of each assessment item divides indivedual score informations of E also intactly to be output to display input device 47 as evaluation information.And each during by Stop and give way place, the evaluation when showing based on Stop and give way by this place on display input device 47 divides the evaluation information of E.Figure 19 represents to receive the example of display input device 47 of the output of evaluation information.In illustrated embodiment, zone at the right half part of the display frame of display input device 47, show comprehensive evaluation branch, particular diagram and suggestion based on comprehensive score information, wherein, this particular diagram is visually represented the evaluation based on each assessment item of indivedual score informations, and this suggestion is based on announcement information and the suggestion that proposes to the driver.
Other embodiments
(1) in the above-described first embodiment, with following situation is that example describes, promptly, when ratio calculating part 22 calculates the prompting ratio, at carrying out each Stop and give way place of reminding, according to well-behaved from obtained well-behaved of degree obtaining section 17 from degree and estimate the evaluation branch that divides obtaining section 18 obtained, revisal is used to calculate the prompting number of times of reminding ratio.But embodiments of the present invention are not limited thereto.Promptly, when carrying out prompting, with well-behaved from degree, estimate to divide irrespectively without exception " prompting number of times " to being used for calculating " counting out " of becoming denominator of the calculating formula (1) of reminding ratio and becoming molecule to add " 1 " by ground, this also be of the present invention one of preferred embodiment.
In addition, except well-behaved from degree, estimate to divide, also can according to obtained past of accident information obtaining section 20 in the obtained parking rate information of the information of each Stop and give way accident number of times that the place takes place, parking ratio obtaining section 21 etc., come revisal to be used to calculate the prompting number of times of reminding ratio, wherein, above-mentioned parking rate information is the relevant statistical information of parking ratio with the actual ratio in each Stop and give way place temporary parking of expression.More particularly, preferably by revisal, make Stop and give way the often place have an accident in the past, the prompting number of times that is used to calculate the prompting ratio when reminding was many more carrying out.If carry out such processing, then can make the driver highly remain on accident Stop and give way often the wish of carrying out safe driving that the place more is careful.In addition, preferably by revisal, make high Stop and give way the place of the parking ratio of other vehicles, the prompting number of times that is used to calculate the prompting ratio when reminding was many more carrying out.If carry out such processing, then can make the driver highly remain on high Stop and give way the place of parking ratio, oneself also will carry out the wish of safe driving.
(2) in the above-described first embodiment, with following situation is that example is illustrated: calculate under carrying out the situation of reminding when reminding ratio, " the counting out by ground " that will become denominator counted out as vehicle 3 with passing through that Stop and give way, " the prompting number of times " that will become molecule to carrying out the compensating value of counting out and carrying out revisal and get with reminding that Stop and give way, carries out revisal to the prompting ratio as rule according to the rules thus.But embodiments of the present invention are not limited thereto.Promptly, for example, can adopt following structure: " the counting out by ground " that will become denominator counted out to vehicle 3 as rule according to the rules with passing through that Stop and give way and carried out the compensating value that revisal gets, " the prompting number of times " that will become molecule reminded that Stop and give way and counted out in ground as carrying out, thereby calculated the prompting ratio.Under these circumstances, carried out under the situation of reminding, " the counting out by ground " that becomes denominator added count number after the revisal, and added count number " 1 " becoming molecule " prompting number of times " in notifier processes portion 16.In addition, preferably adopt following structure: deduct the revisal count number (with reference to Fig. 6) of the regulation of revisal rule 40, setting from common count number " 1 ", thereby calculate the count number after the revisal.In addition, for example, also can adopt following structure: the prompting ratio that calculates based on calculating formula (1) is added or deduct setting, or multiply by predetermined coefficients, thereby ratio is reminded in revisal.
(3) in the above-described first embodiment, be that example is illustrated with following situation: ratio calculating part 22 only divides reminding ratio to carry out revisal according to estimating under the situation of carrying out prompting.But embodiments of the present invention are not limited thereto.That is, do not rely on notifier processes portion 16 and whether carried out prompting, but by ratio calculating part 22 according to estimate dividing reminding ratio to carry out revisal, such structure also be of the present invention one of preferred embodiment.The process flow diagram of expression prompting ratio calculation processes at this moment as shown in figure 20.In addition, from step # 41 to step #47 with the process flow diagram of Figure 11 identical from step # 21 to step #27, from step # 48 to step #50 with the process flow diagram of Figure 11 identical from step # 29 to step #31, therefore omit explanation to these steps.
In the computing of illustrated prompting ratio, from step #41 to step #50, according to well-behaved from degree update notifying ratio, then, the evaluation branch (step #51) when estimating branch obtaining section 18 and obtaining by Stop and give way place.Then, ratio calculating part 22 is obtained revisal count number (step #52) according to the evaluation branch of obtaining with reference to the revisal rule 40 that is stored in the storer 32 in step #51.At this, preferably, it is high more to estimate branch, sets the value of revisal count number more little.In addition, preferably, be divided in evaluation under the situation of positive number (more than 0), making the revisal count number is negative (below 0), is divided in evaluation under the situation of negative (less than 0), and making the revisal count number is positive number (greater than 0).And " the prompting number of times " that become molecule that 22 pairs of ratio calculating parts are used for calculating the calculating formula (1) of reminding ratio adds the revisal count number that obtains in step #52, thus update notifying ratio (step #53).Then, handle and to get back to step #21, vehicle 3 travels, and during by Stop and give way place, the update notifying ratio calculates each prompting ratio constantly each.If adopt such structure, then when having carried out in front of Stop and give way place, fully slowing down etc. driver behavior good, to remind that the ratio revisal is less with whether carrying out to remind irrespectively, and therefore, can make the driver more highly keep to carry out the wish of this driving according to estimating to divide.In addition, also can adopt following structure: be divided in evaluation under the situation of positive number (more than 0), making the revisal count number also is positive number (more than 0), be divided in evaluation under the situation of negative (less than 0), making the revisal count number is negative (less than 0), in step #53, calculate when reminding ratio, " the counting out by ground " that becomes denominator added the revisal count number.
(4) in the above-described first embodiment, consider that all the time following situation is illustrated: the place conduct is used to calculate the object of reminding ratio with all Stop and give way.But embodiments of the present invention are not limited thereto.That is, think can not judge rightly whether exist can not situation in the possibility of Stop and give way place emergency under, ratio calculating part 22 also can be removed this Stop and give way the place from being used for calculating the object of reminding ratio.For example, can think: the front in Stop and give way place has in the place ahead of vehicle under the situation of other vehicles, because these other vehicles, the driving condition of vehicle 3 is influenced in front of Stop and give way place, can not judge rightly whether exist can not emergency possibility.Therefore, when detecting such situation, ratio calculating part 22 is removed this Stop and give way the place from being used for calculating the object of reminding ratio.If carry out such processing, the prompting ratio of calculating is more tallied with the actual situation, can be to the more suitable evaluation information 61 of driver's notice.In addition, can obtain the situation that in the predetermined distance in the place ahead of vehicle, has other vehicles by being arranged on millimeter wave laser radar on the vehicle 3 or preposition video camera front vehicles detecting units such as (front camera).
(5) in the above-described first embodiment, be that example is illustrated with following situation: notifier processes portion 16 bases and brake service amount and the relevant information of the speed of a motor vehicle judge whether to remind.But embodiments of the present invention are not limited thereto.That is, also can adopt following structure: only use the information relevant with the brake service amount or the information of being correlated with the speed of a motor vehicle in a kind of information judge whether to remind, perhaps, in addition can also utilize the information of accelerator open degree to judge whether to remind.
(6) in the above-described first embodiment, with following situation is that example is illustrated: as evaluation information 61, obtain integration information 62, the civilian information 63 of prompting, judgement schematics information 64, order information 65 and class information 66, the line output of going forward side by side is with driver.But embodiments of the present invention are not limited thereto.That is, the partial information that only obtains in these information is used as evaluation information 61, this also be of the present invention one of preferred embodiment.In addition, preferably, adopt following structure: obtain beyond these information, expression to the various information of the evaluation of reminding ratio as evaluation information 61.
(7) in the above-described first embodiment, with following situation is that example is illustrated: on the comprehensive evaluation picture only display reminding literary composition information 63 as the information of the article of the evaluation content of driver behavior being used to driver's transmission of vehicle 3, wherein, above-mentioned prompting literary composition information 63 is based on the evaluation information 61 of reminding ratio.But embodiments of the present invention are not limited thereto.That is, for example, also can adopt following structure: based on estimating the obtained evaluation branch of branchs obtaining section 18, the civilian information of display reminding.As above-mentioned, preferably, adopt following structure: estimate branch obtaining section 18 and the safe driving degree of Stop and give way at this place emergency is estimated according to each Stop and give way place, therefore, under the situation of display reminding literary composition information of assigning to based on evaluation, show in the lump with judgement schematics information 63 as shown in Figure 8, wherein, the variation of the safe driving ratio that above-mentioned judgement schematics information 63 is illustrated in vehicle 3 one by one when travelling.In addition, preferably adopt following structure: as shown in Figure 5, as benchmark, the reminder-data and the evaluation score that will become the prompting literary composition information source of this moment together are stored in the storer 32 according to 36 with each driver behavior.And, for example, obtain with estimating obtained each of branch obtaining section 18 and estimate to estimate in dividing and divide the relevant prompting literary composition information of relative low assessment item and show, can be related to the suitable prompting of the improvement of driver behavior thus to driver's notice.
(8) in the above-described first embodiment, be that example is illustrated with following structure: integration that travels each time and the total mark that obtains are before this calculated by the integral and calculating portion 24 that guider 1 is had, and it is stored in the storer 32 of guider 1.But embodiments of the present invention are not limited thereto.Promptly, for example, also can be preferably as follows structure: the integration information that travels each time that integral and calculating portion 24 is calculated is sent to Central Management Server 2, in Central Management Server 2, calculate the total mark of each vehicle 3, perhaps, the prompting rate information of travelling each time is sent to Central Management Server 2, calculates the integration and the total mark of travelling each time in Central Management Server 2.Under these circumstances, guider 1 via receiving and transmitting part 11, is obtained the total mark of this vehicle 3, the integration information that travels each time by external information obtaining section 27 from Central Management Server 2 in the moment of regulation.
(9) in above-mentioned second, third embodiment, be that example is illustrated with following situation: evaluation portion 106 towards changing as assessment item, derives accelerator open degree variation, speed of a motor vehicle variation, spacing variation and face to estimate branch E.But embodiments of the present invention are not limited thereto.That is, for example, also can adopt following structure: the absolute magnitude of accelerator open degree, the speed of a motor vehicle and brake service amount etc. that driving condition obtaining section 14 is obtained derives to estimate and divides an E as assessment item.
(10) in above-mentioned second, third embodiment, be that example is illustrated with following situation: evaluation portion 106 divides according to sure evaluation and negative evaluation branch is derived evaluation branch E.But embodiments of the present invention are not limited thereto.That is, also can adopt following structure: divide and some in dividing of the evaluation negating derived to estimate and divided E according to sure evaluation.For example, also can adopt following structure: only according to sure evaluation branch, derive evaluation branch E, perhaps,, derive evaluation by the mode of deducting points and divide E from the full marks of regulation only according to the evaluation branch negating by the bonus point mode.Under these circumstances, preferably, place distance apart is long more with Stop and give way, sets the value that sure evaluation divides big more, and place distance apart is short more with Stop and give way, sets the value that the evaluation negating divides big more.
(11) in the above-described 2nd embodiment, with following situation is that example is illustrated: set two regional A1, A2 in that Stop and give way between the place and first assigned position, and have each regional A1, A2 are stored the evaluation submeter 134 that basic evaluation divides in advance, wherein, above-mentioned basic evaluation branch is the basic evaluation branch to the driver behavior of each assessment item.But embodiments of the present invention are not limited thereto.Promptly, also can adopt following structure: Stop and give way between the place and first assigned position set regional A1, A2 more than 3, A3 ..., and have to each regional A1, A2, A3 ... store the evaluation submeter 134 that the basic evaluation to the driver behavior of each assessment item divides in advance.
(12) in the above-described 3rd embodiment, be that example illustrates with following situation: rectilinearity (linear function) changes evaluation coefficient (β) along with operating distance.But embodiments of the present invention are not limited thereto.That is, also can adopt following structure: nonlinearity changes evaluation coefficient (β) along with operating distance.For example, can be set at: operating distance is long more, makes evaluation coefficient (β) value of sure driver behavior greatly more, and makes its increment rate also big more.In addition, can also be set at: operating distance is short more, makes the value of the evaluation coefficient (β) of the driver behavior negated greatly more, and makes its increment rate also big more.
(13) in above-mentioned second, third embodiment, be that example is illustrated with following situation: calculating the comprehensive evaluation timesharing, the importance degree during according to emergency, the evaluation that is set with each assessment item divides E contribution ratio to the comprehensive evaluation branch.But embodiments of the present invention are not limited thereto.That is, for example, also can adopt following structure: do not consider such importance degree, the contribution ratio equalization that makes the evaluation of each assessment item divide E.
(14) in above-mentioned second, third embodiment, with following situation is that example is illustrated: when the civilian obtaining section 26 of prompting divides E to obtain information according to evaluation, divide E with reference to evaluation, obtain and estimate the suggestion that relative low assessment item is correlated with each assessment item.But embodiments of the present invention are not limited thereto.That is, for example, also can adopt following structure: obtain and estimate the suggestion that relative high assessment item is correlated with.If carry out such processing, then mainly notify the suggestion of praising good driver behavior to the driver, therefore, can make the driver more highly keep carrying out the wish of such driver behavior.
(15) in above-mentioned second, third embodiment, consider that all the time following situation is illustrated: near the front in Stop and give way place the time, evaluation portion 106 derives all the time and estimates a minute E.But embodiments of the present invention are not limited thereto.That is, estimate under the situation of dividing E thinking to be not suitable for deriving, evaluation portion 106 also can be in this Stop and give way the place ends to the safe driving degree evaluation.For example, park in the place ahead of vehicle under the situation of other vehicles the front in Stop and give way place, and irrespectively can not stop in front of this vehicle in the place with Stop and give way.That is, under these circumstances, because other vehicles, the driver behavior of vehicle is influenced in front of Stop and give way place, can't according to the relation in Stop and give way place suitably evaluate safety drive degree.In addition, for example, before the place that arrives that Stop and give way, the vehicle position is outside having this Stop and give way the road in place the time, need Stop and give way stops in the place at this.Therefore, when detecting such situation, evaluation portion 106 ends the evaluation to the safe driving degree in this Stop and give way place.If carry out such processing, then can reduce notice, and can alleviate the processing load of estimating usefulness driver's unnecessary evaluation information.And, also can adopt following structure: even derived evaluation branch E by evaluation portion 106 after, before the place that arrives that Stop and give way, also end to display input device 47 and instantaneous speech power 48 output evaluation informations as output unit having this Stop and give way under the situation about waiting outside the road in place the vehicle position.If carry out such processing, then can reduce notice at least to driver's unnecessary evaluation information.
In addition, can obtain in the situation of in the scope of afore mentioned rules distance, parking other vehicles etc. with Stop and give way place by above-mentioned front vehicles detecting unit.In addition, can and be stored in map datum 34 in the map data base 31 according to the obtained vehicle positional information of vehicle positional information obtaining section 12, obtain this vehicle position and have this Stop and give way the situation that waits outside the road in place.
(16) distribution of function portion explanation, that guider 1 and Central Management Server 2 have respectively only is an example in the above-described first embodiment.Therefore, for example, also can remove the function portion that the guider 1 as vehicle positional information obtaining section 12 grades is had, make some in guider 1 and the Central Management Server 2 have each function portion.Therefore, for example, have the entire infrastructure of sailing the path evaluation system as guider 1 bag of on-vehicle terminal device, this also be of the present invention one of preferred embodiment.Under these circumstances, guider 1 has the driving path evaluation system.In addition, for example, have whole primary structures of driving path evaluation system as the Central Management Server 2 of centralized management device, this also be of the present invention one of preferred embodiment.At this, the primary structure of driving path evaluation system comprises: as the notifier processes portion 16 of reminding unit, as the ratio calculating part 22 of computation unit and the evaluation information obtaining section 23 that obtains the unit as evaluation information.
(17) same, also can adopt following structure: the safe driving evaluating apparatus 102 in above-mentioned second, third embodiment and the part of guider 1 are arranged on the car outside by communication network.For example, also can adopt following structure: part or all of each function portion, database, storer externally is set on the server, thereby carries out safe driving evaluation processing and navigation processing via communication network.
(18) in the respective embodiments described above, be that example is illustrated with following situation: according to the map datum 34 (particularly parking site information) that is stored in the map data base 31 that guider 1 had, the position in the place of obtaining that Stop and give way.But embodiments of the present invention are not limited thereto.That is, for example, also can adopt following structure: according to as from VICS (trade mark registration; Vehicle Information andCommunication System (Vehicle Information and Communication System)) information that provides from the facility that is arranged on vehicle 3 outsides like that such as Fen Fa Traffic Information obtains and the information of Stop and give way ground spot correlation (position coordinates in Stop and give way place, till Stop and give way the place Distance Remaining etc.).Under these circumstances, according to the relevant information of the vehicle speed sensor 46 detected speed of a motor vehicle, the distance of estimating that Stop and give way between place and the vehicle position.Then, according to the distance between estimated Stop and give way place and the vehicle position, be used to point out the place that has that Stop and give way, the place ahead boot process, remind handle, the safe driving evaluation handles.
(19) in the respective embodiments described above, be that example is illustrated with following situation: the on-vehicle terminal device or the safe driving evaluating apparatus 102 that constitute safe driving evaluation system of the present invention are guiders 1.But embodiments of the present invention are not limited thereto.That is, for example, each the function portion that constitutes the on-vehicle terminal device of driving path evaluation system of the present invention or constitute safe driving evaluating apparatus 102 is the control device with the irrelevant vehicle 3 of guider 1, this also be of the present invention one of preferred embodiment.
Utilizability on the industry
Preferably, whether the present invention can be used in the front vehicle drive of estimating in Stop and give way place and get Safe driving evaluation system and the safe driving evaluation method of safety.
Claims (12)
1. a safe driving evaluation system is characterized in that, comprising:
Reminding unit, its assigned position in front of Stop and give way place, being judged as existence according to the current driving condition of vehicle can't be used to remind the driver under the situation of the possibility of this Stop and give way place emergency;
Computation unit, it is used for calculating the prompting ratio, this prompting ratio is meant, corresponding counts out counting out with vehicle, with the shared ratio of prompting number of times of counting out corresponding with passing through that Stop and give way with passing through with carrying out described prompting Stop and give way; And
Evaluation information is obtained the unit, and it is used to obtain the evaluation information based on described prompting ratio.
2. safe driving evaluation system according to claim 1 is characterized in that, comprising:
Datum situation obtains the unit, and it is used to obtain the benchmark driving condition, and this benchmark driving condition represents, at Stop and give way place emergency and the driving condition of the bottom line necessity that should realize at described assigned position; And
Judging unit, it is according to the current driving condition and the described benchmark driving condition of vehicle, and judging whether to exist can't be in the possibility of described Stop and give way place emergency.
3. safe driving evaluation system according to claim 2 is characterized in that,
Comprise and well-behavedly obtain the unit that this is well-behaved obtains the unit from degree and be used to obtain well-behaved in degree from degree of well-behaved between the current driving condition of expression vehicle and the described benchmark driving condition from degree;
Described computation unit for each Stop and give way place of carrying out described prompting, is well-behavedly come the described prompting ratio of revisal from degree according to described when calculating described prompting ratio.
4. according to each described safe driving evaluation system in the claim 1～3, it is characterized in that,
Comprise estimate dividing and obtain the unit, this evaluations divides and obtains the unit and be used for derivation and obtain to estimate and divide, and wherein, this evaluations branch is to being used for the quantize processing and estimate resulting of safe driving degree at Stop and give way place emergency;
Described computation unit is when calculating described prompting ratio, for each Stop and give way place of carrying out described prompting, according to the described evaluation described prompting ratio of revisal of assigning to.
5. according to each described safe driving evaluation system in the claim 1～4, it is characterized in that,
Comprise that accident information obtains the unit, this accident information is obtained the unit and is used to obtain over information at each Stop and give way accident number of times that the place takes place;
Described computation unit for each Stop and give way place of carrying out described prompting, is come the described prompting ratio of revisal according to the accident number of times in Stop and give way at this place when calculating described prompting ratio.
6. according to each described safe driving evaluation system in the claim 1～5, it is characterized in that,
Comprise that the parking ratio obtains the unit, this parking ratio is obtained the unit and is used to obtain the statistical information relevant with the ratio that the stops rate information of promptly stopping, and wherein, described parking ratio is represented actual ratio in each Stop and give way place temporary parking;
Described computation unit for each Stop and give way place of carrying out described prompting, is come the described prompting ratio of revisal according to described parking ratio when calculating described prompting ratio.
7. according to each described safe driving evaluation system in the claim 1～6, it is characterized in that,
Also comprise the front vehicles detecting unit, this front vehicles detecting unit is used to detect in the predetermined distance in the place ahead of vehicle whether have other vehicles;
When detecting at described assigned position when having other vehicles in the place ahead of vehicle, described computation unit will be corresponding with this position Stop and give way that the place gets rid of calculates outside the object of described prompting ratio being used to.
8. according to each described safe driving evaluation system in the claim 1～7, it is characterized in that described driving condition is at least one in the speed of a motor vehicle, brake service amount and the accelerator open degree.
9. according to each described safe driving evaluation system in the claim 1～8, it is characterized in that, described evaluation information is obtained the unit and is used for obtaining at least one information of integration, prompting literary composition, chart as described evaluation information, wherein, described integration is the integration of being given according to described prompting ratio, described prompting literary composition is the prompting literary composition of the content corresponding with described prompting ratio, and described chart is visually represented the described prompting ratio in each moment.
10. according to each described safe driving evaluation system in the claim 1～9, it is characterized in that,
Also comprise information collection unit, this information collection unit is collected and the relevant information of described prompting ratio from a plurality of vehicles;
Described evaluation information is obtained the unit according to the information of being collected by described information collection unit, the information or both information that obtain one of order and grade are used as described evaluation information, wherein, described order is by comparing the order of each relevant vehicle of resulting and described prompting ratio with other vehicles, and described grade is by comparing resulting grade of giving based on the described prompting ratio in each vehicle past with other vehicles.
11. according to each described safe driving evaluation system in the claim 1～10, it is characterized in that,
Comprise on-vehicle terminal device and centralized management device, wherein, described on-vehicle terminal device is loaded on the vehicle, and described centralized management device is configured to communicate with a plurality of described on-vehicle terminal devices;
When described on-vehicle terminal device is disconnected at the primary power of the vehicle that is mounted with this vehicle termination device, to described centralized management device send from connect primary power begin till disconnect primary power during with the relevant information of described prompting ratio;
Described centralized management device according to receive from described on-vehicle terminal device with the relevant information of described prompting ratio, generation is at the described evaluation information of this on-vehicle terminal device.
12. a safe driving evaluation method is characterized in that, makes the following function of computer realization:
Prompting function, the assigned position in front of Stop and give way place, being judged as existence according to the current driving condition of vehicle can't be used to remind the driver under the situation of the possibility of this Stop and give way place emergency;
The ratio computing function is used for calculate reminding ratio, and this prompting ratio is meant, corresponding counts out counting out with vehicle, with the shared ratio of prompting number of times of counting out corresponding with passing through that Stop and give way with passing through with carrying out described prompting Stop and give way; And
Evaluation information is obtained function, is used to obtain the evaluation information based on described prompting ratio.
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| Application Number | Priority Date | Filing Date | Title |
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| JP2008203886 | 2008-08-07 | ||
| JP2008204370A JP5115817B2 (en) | 2008-08-07 | 2008-08-07 | Safe driving evaluation system and safe driving evaluation program |
| JP2008-204370 | 2008-08-07 | ||
| JP2008-203886 | 2008-08-07 | ||
| JP2008203886A JP2010039888A (en) | 2008-08-07 | 2008-08-07 | Safe driving evaluation device, safe driving evaluation program, and navigation device using the same |
| JP2008204370 | 2008-08-07 |
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| CN101644584A true CN101644584A (en) | 2010-02-10 |
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|---|---|
| JP (1) | JP5115817B2 (en) |
| CN (1) | CN101644584B (en) |
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| CN105644439A (en) * | 2014-11-28 | 2016-06-08 | 现代摩比斯株式会社 | Vehicle driving guidance information supplying system and a control method |
| CN107851377A (en) * | 2015-08-06 | 2018-03-27 | 矢崎能源系统公司 | Drive apparatus for evaluating |
| CN110738749A (en) * | 2018-07-18 | 2020-01-31 | 丰田自动车株式会社 | In-vehicle device, information processing device, and information processing method |
| CN111497854A (en) * | 2019-01-29 | 2020-08-07 | 长城汽车股份有限公司 | Method and device for evaluating driving condition of driver and machine-readable storage medium |
| CN111667718A (en) * | 2019-03-08 | 2020-09-15 | 株式会社斯巴鲁 | Information processing device, information processing system, and vehicle control device |
| CN111862642A (en) * | 2020-07-16 | 2020-10-30 | 腾讯科技（深圳）有限公司 | Early warning information prompting method and device |
| CN112581654A (en) * | 2020-12-29 | 2021-03-30 | 华人运通(江苏)技术有限公司 | System and method for evaluating use frequency of vehicle functions |
| CN112817618A (en) * | 2019-11-15 | 2021-05-18 | 丰田自动车株式会社 | Vehicle control device |
| CN114323036A (en) * | 2020-09-28 | 2022-04-12 | 马自达汽车株式会社 | Travel route setting device |
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| JP5238623B2 (en) * | 2009-06-18 | 2013-07-17 | トヨタ自動車株式会社 | Driving evaluation device |
| JP5386543B2 (en) * | 2011-05-25 | 2014-01-15 | 株式会社審調社 | Driving evaluation system, driving evaluation program, and driving evaluation method |
| JP2015087928A (en) * | 2013-10-30 | 2015-05-07 | 本田技研工業株式会社 | Safe driving support navigation system |
| JP7011508B2 (en) * | 2018-03-26 | 2022-01-26 | 本田技研工業株式会社 | Driving evaluation system and program |
| JP7263997B2 (en) * | 2019-09-20 | 2023-04-25 | トヨタ自動車株式会社 | DRIVING ACTION EVALUATION DEVICE, METHOD AND PROGRAM |
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| CN105644439A (en) * | 2014-11-28 | 2016-06-08 | 现代摩比斯株式会社 | Vehicle driving guidance information supplying system and a control method |
| CN107851377B (en) * | 2015-08-06 | 2021-05-25 | 矢崎能源系统公司 | Driving evaluation device |
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| CN110738749A (en) * | 2018-07-18 | 2020-01-31 | 丰田自动车株式会社 | In-vehicle device, information processing device, and information processing method |
| CN111497854A (en) * | 2019-01-29 | 2020-08-07 | 长城汽车股份有限公司 | Method and device for evaluating driving condition of driver and machine-readable storage medium |
| CN111667718A (en) * | 2019-03-08 | 2020-09-15 | 株式会社斯巴鲁 | Information processing device, information processing system, and vehicle control device |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP5115817B2 (en) | 2013-01-09 |
| CN101644584B (en) | 2013-12-04 |
| JP2010039920A (en) | 2010-02-18 |
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