CN110631599A - Navigation method, system, server and automobile based on air pollution - Google Patents
Navigation method, system, server and automobile based on air pollution Download PDFInfo
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- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
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Abstract
The invention aims to provide a navigation method, a navigation system, a server and an automobile based on air pollution so as to realize the effect of planning a navigation route with the lightest pollution in combination with the air pollution condition for vehicle navigation. An air pollution-based navigation method applied to an automobile comprises the following steps: sending an air pollution value of a position where a vehicle is located, which is currently collected by an air pollution collecting device arranged on the vehicle, to a server; receiving an air pollution cloud picture determined by a server based on air pollution values sent by each vehicle, wherein the air pollution cloud picture comprises: the map and the air pollution levels of the positions of the vehicles which are displayed on the map in an overlapping mode; determining a target navigation route according to the air pollution cloud picture; and navigating the vehicle based on the target navigation route.
Description
Technical Field
The invention relates to the field of vehicle travel, in particular to a navigation method, a navigation system, a server and an automobile based on air pollution.
Background
The selection of self-driving vehicles for traveling is already taken as a mainstream mode of traveling, and in consideration of the attention of people on air pollution, planning is necessary to combine air pollution conditions and traveling.
Disclosure of Invention
The invention aims to provide a navigation method, a navigation system, a server and an automobile based on air pollution so as to realize the effect of planning a navigation route with the lowest pollution by combining air pollution conditions to carry out vehicle navigation.
The technical scheme of the invention is as follows:
the invention provides a navigation method based on air pollution, which is applied to an automobile and comprises the following steps:
sending an air pollution value of a position where a vehicle is located, which is currently collected by an air pollution collecting device arranged on the vehicle, to a server;
receiving an air pollution cloud map determined by a server based on air pollution values sent by each vehicle, wherein the air pollution cloud map comprises: the map and the air pollution levels of the positions of the vehicles which are displayed on the map in an overlapping mode;
determining a target navigation route according to the air pollution cloud picture;
and navigating the vehicle based on the target navigation route.
Preferably, the step of determining a target navigation route according to the air pollution cloud map comprises:
determining a road junction which the vehicle may pass through from a starting position to a target position according to a map in the air pollution cloud picture;
determining one of a plurality of next road sections as a branch navigation route when the vehicle drives to a target intersection according to the air pollution level of the position of each vehicle in the air pollution cloud picture;
sequentially connecting all the branch navigation routes to form the target navigation route;
the next road section is a road section between the target intersection and the next road intersection adjacent to the target intersection;
the target section refers to a section having the smallest air pollution level.
Preferably, the step of determining one of the target road segments in the next road segments as the branch navigation route according to the air pollution level at the position of each vehicle in the air pollution cloud map comprises:
determining the ratio corresponding to each air pollution level in each next road section according to the air pollution level of each vehicle position in the air pollution cloud picture; and determining one target road section as a branch navigation route according to the principle that the air pollution level is minimum and the proportion is highest.
Preferably, the step of determining one of the next target road segments as the branch navigation route every time the vehicle travels to one target intersection according to the air pollution level at the position of each vehicle in the air pollution cloud map further comprises:
and if the proportion of the air pollution levels in at least two next road sections is the same, determining one target road section as a branch navigation route according to the principle of shortest distance or shortest driving time.
According to another aspect of the present invention, the present invention further provides a method for determining an air pollution concentration cloud chart, applied to a server, including:
receiving air pollution values currently collected by air pollution collection devices arranged on vehicles and sent by the vehicles;
determining the air pollution concentration level of the position of each vehicle based on the air pollution value sent by each vehicle;
superposing and displaying the air pollution levels of the positions of all vehicles on a map according to a display mode corresponding to the air pollution concentration levels to form an air pollution cloud picture;
and sending the air pollution cloud picture to a vehicle.
Preferably, the step of determining the air pollution concentration level of the location of each vehicle based on the air pollution value transmitted by each vehicle comprises:
by the formula:
and determining the air pollution concentration grade P of the position of each vehicle, wherein C is an air pollution value collected by an air pollution collecting device arranged on each vehicle, and M is a constant.
Preferably, the step of displaying the air pollution levels of the positions of the vehicles on the map in an overlapping manner according to the display modes corresponding to the air pollution levels to form the air pollution cloud picture comprises the following steps:
superposing and displaying corresponding colors at the positions of all vehicles on a map according to a preset corresponding relation table of air pollution grades, air pollution concentration grades and display colors to form an air pollution cloud picture;
in the correspondence table, one display color corresponds to one air pollution concentration level range, and one display color represents one air pollution level; and, the darker the color depth pair of the display color, the greater the corresponding air pollution level.
According to another aspect of the present invention, there is also provided an automobile including:
the sending module is used for sending the air pollution value of the position where the vehicle is located, which is currently collected by the air pollution collecting device arranged on the vehicle, to the server;
the receiving module is used for receiving an air pollution cloud picture determined by a server based on air pollution values sent by all vehicles, and the air pollution cloud picture comprises: the map and the air pollution level of the position of each vehicle superposed and displayed on the map;
the determining module is used for determining a target navigation route according to the air pollution cloud picture;
and the navigation module is used for navigating the vehicle based on the target navigation route.
Preferably, the determining module comprises:
the first determination unit is used for determining a possibly passed intersection between the starting position and the target position of the vehicle according to the map in the air pollution cloud picture;
the second determining unit is used for determining one target road section in a plurality of next road sections as a branch navigation route when the vehicle runs to one target intersection every time according to the air pollution level of the position of each vehicle in the air pollution cloud picture;
the forming unit is used for sequentially connecting all the branch navigation routes to form the target navigation route;
the next road section is a road section between the target intersection and the next road intersection adjacent to the target intersection;
the target section refers to a section having the smallest air pollution level.
Preferably, the second determination unit includes:
the first determining subunit is used for determining the proportion corresponding to each air pollution level in each next road section according to the air pollution level of each vehicle position in the air pollution cloud picture; and determining one target road section as a branch navigation route according to the principle that the air pollution level is minimum and the air pollution ratio is highest.
Preferably, the second determination unit further includes:
and the second determining subunit is used for determining one target road section as the branch navigation route according to the principle that the distance is shortest or the running time is shortest if the proportion of the air pollution levels in the at least two next road sections is the same.
According to another aspect of the present invention, the present invention also provides a server, including:
the receiving module is used for receiving the air pollution values which are sent by all vehicles and currently collected by the air pollution collecting devices arranged on the vehicles;
the determining module is used for determining the air pollution concentration level of the position of each vehicle based on the air pollution value sent by each vehicle;
the forming module is used for displaying the air pollution levels of the positions of all vehicles on a map in an overlapping mode according to the display mode corresponding to the air pollution levels to form an air pollution cloud picture;
and the sending module is used for sending the air pollution cloud picture to a vehicle.
Preferably, the determining module comprises:
by the formula:
and determining the air pollution concentration grade P of the position of each vehicle, wherein C is an air pollution value collected by an air pollution collecting device arranged on each vehicle, and M is a constant.
Preferably, the forming module includes:
the forming unit is used for displaying corresponding colors on the map in an overlapping mode according to a preset corresponding relation table of air pollution levels, air pollution concentration levels and display colors, so that an air pollution cloud picture is formed;
in the correspondence table, one display color corresponds to one air pollution concentration level range, and one display color represents one air pollution level; and, the darker the color depth pair of the display color, the greater the corresponding air pollution level.
According to another aspect of the present invention, there is also provided an air pollution-based navigation system, including:
a server;
the air pollution acquisition device is used for acquiring an air pollution value of the position of the vehicle;
the air conditioner controller is connected with the air pollution collecting device;
the T-BOX is connected with the air conditioner controller and is wirelessly connected to a server;
the vehicle machine is connected with the T-BOX;
the air pollution value collected by the air pollution collection device is forwarded to the T-BOX through the air conditioner controller, and is transmitted to the server through the T-BOX;
the server determines an air pollution cloud picture based on the air pollution values sent by the vehicles;
the vehicle machine receives the air pollution cloud picture of the server through the T-BOX; determining a target navigation route according to the air pollution cloud picture; and navigating the vehicle based on the target navigation route.
The invention has the beneficial effects that:
before the vehicle advances, the navigation route is planned according to the principle that air pollution is the lightest, so that the vehicle is far away from a road section with high air pollution as far as possible during advancing, the suction of particles of people in the vehicle is reduced, and the concept of healthy traveling and green traveling is realized.
Drawings
FIG. 1 is a schematic flow diagram of the process of the present invention;
fig. 2 is a schematic diagram of an actual road route during route planning according to the present invention.
FIG. 3 is a schematic flow chart illustrating a method for determining an air pollution concentration cloud map applied to a server according to the present invention;
fig. 4 is a block diagram of a navigation system based on air pollution.
Detailed Description
Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While illustrative embodiments of the invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
Referring to fig. 1, the present invention provides an air pollution-based navigation method, which is applied to an automobile, where the automobile may be a fuel automobile and/or a new energy automobile, and the method specifically includes:
The air pollution collecting device is a device for collecting the concentration of particulate matters in the air, such as a PM10 sensor and a PM2.5 sensor, and is installed outside a vehicle body to detect the particulate matters in the atmosphere. The vehicle should be a vehicle after being powered on, preferably a vehicle traveling on a road, that is, the air concentration value transmitted to the server is specifically the air concentration value of the position of the vehicle traveling on the road.
After the air pollution concentration value is collected by an air pollution collecting device of the vehicle, the air pollution concentration value is sent to an air conditioner controller, the air conditioner controller sends the air pollution concentration value to a T-BOX, and the signal is sent to a server through the T-BOX.
102, receiving an air pollution cloud picture determined by a server based on the air pollution values sent by each vehicle, wherein the air pollution cloud picture comprises: the map and the air pollution levels at the positions of the vehicles which are displayed on the map in an overlapping mode.
After receiving the air concentration values sent by each vehicle, the server determines the air pollution level corresponding to each air concentration value according to the corresponding relation table stored in the server, specifically, one air pollution level corresponds to one air pollution value range, and when the air pollution levels are displayed on a map, the air pollution levels are displayed according to different colors. For example, the particle concentration of PM2.5 collected by an off-vehicle PM2.5 sensor is 100 μ g/m3Then, then
Class 1, e.g. an off-vehicle PM2.5 particle concentration of 200. mu.g/m3Then, then
Class 2, e.g. an off-vehicle PM2.5 particle concentration of 250. mu.g/m3Then, then
The rating is 2.5, and the higher the rating, the higher the concentration of PM2.5 particles in the air, and the worse the air quality. According to the concentration levels calculated according to different PM2.5 concentration values, different concentration levels are distinguished by colors, such as: the concentration grade is equal to or more than 0 and is equal to or less than P(PM2.5)Less than or equal to 0.35, and the corresponding color is dark green; p is more than 0.35(PM2.5)Less than or equal to 0.75, and the corresponding color is green; p is more than 0.75(PM2.5)Less than or equal to 1.15, and the corresponding color is yellow; 1.15 < P(PM2.5)Less than or equal to 1.5, and the corresponding color is red; 1.5 < P(PM2.5)Less than or equal to 2.5, and the corresponding color is purple; 2.5 < P(PM2.5)The corresponding color is dark purple.
The server calculates different concentration levels according to the PM2.5 concentration values uploaded by each vehicle, gives different colors to the different air pollution levels according to the concentration values, and draws the colors on a map to form a road PM2.5 air pollution cloud map.
And 103, determining a target navigation route according to the air pollution cloud picture.
And for the vehicle, after receiving the air pollution cloud picture, finding a navigation route with the lowest pollution from the air pollution cloud picture as a target navigation route, wherein the target navigation route is formed by connecting a plurality of road sections, one road section is formed by two intersections, namely, when the vehicle reaches one intersection, one or more exits of the intersection can move to the end position of the vehicle, and at the moment, the exit selected by the vehicle at the building entrance takes the section of the road section with the lowest pollution as a selected target.
Specifically, after the vehicle receives the air pollution cloud map, it confirms the intersections through which the vehicle may pass from the start position to the end position based on the map information in the cloud map, for example, in fig. 1, point a is the start position of the vehicle, point B is the end position of the vehicle, and through the map information in the cloud map, it is confirmed that there are 18 intersections from C1 to C18 in total, which may pass from point a to point B, whereas intersection C20 in fig. 2 cannot reach the position B, and therefore intersection C20 does not belong to the aforementioned intersections through which the vehicle may pass from the start position to the end position.
For example, in order to find a route with the least pollution as a target navigation route, it is predicted that a section with the least pollution among a plurality of sections formed between adjacent next intersections every time a vehicle reaches one intersection. The 18 intersections C1 to C18 can combine a great variety of routes which can reach the point B, and when the vehicle reaches the first intersection C1 from the departure position a, the vehicle has 2 exit directions, and the vehicle can selectively move forward toward the intersection C2 or the intersection C7. The judgment at this time is based on the fact that the road section with the lowest pollution is selected from the road section 1 formed between the intersection C1 and the intersection C2 and the road section 2 formed between the intersection C1 and the intersection C7. Specifically, according to confirmation of air pollution levels of the positions of the respective vehicles in the air pollution cloud chart, on the road segment 1, the pollution duty ratio of the air pollution level as the first level (lowest level) is 1/5 (indicated by a black circle in the road segment 1 between C1 and C2 in fig. 2), and the pollution duty ratio of the air pollution level as the second level (one level in which the air pollution is more serious than the lowest level) is 4/5 (indicated by an empty circle which is not hatched and drawn by a solid line in the road segment 1 between C1 and C2 in fig. 2); whereas in the section 2, the pollution duty ratio of the air pollution class of the first class (lowest class) is 1/5 (indicated by a black circle in the section 1 between C1 and C7 in fig. 2), the pollution duty ratio of the air pollution class of the second class (one class worse than the lowest class) is 1/2 (indicated by an open circle without hatching and drawn by a solid line in the section 1 between C1 and C7 in fig. 2), and the pollution duty ratio of the air pollution class of the third class (two classes worse than the lowest class) is 3/10 (indicated by an open circle without hatching and drawn by a broken line in the section 1 between C1 and C7 in fig. 2); by comparison, in the road section 1 and the road section 2, the proportion of the lowest air pollution level (first level) is the same, and the proportion of the second air pollution level in the road section 1 is higher than the proportion of the second air pollution level in the road section 2, and therefore, the road section 1 is determined as the branch navigation route of the vehicle. Similarly, when the vehicle arrives at the intersection C2, the least polluted road segment is selected as the branch navigation route in the same manner as described above, and finally, the target navigation route is formed as the route indicated by the arrow in fig. 2 and bold.
Based on the above description, it can be concluded that the specific steps of the vehicle in determining the target navigation route are as follows:
determining the possible passing road junctions (such as C1-C18 junctions in FIG. 2) of the vehicle from the departure position to the target position according to the map in the air pollution cloud map;
according to the air pollution level of the position of each vehicle in the air pollution cloud chart, when the vehicle runs to one target intersection (such as the intersection C1 or the intersection C2 in fig. 2), one target road section (the road section 1 formed between the intersections C1 and C2 in the above description) in a plurality of next road sections is determined as a branch navigation route, and when the branch navigation route is confirmed, the following concrete steps are carried out: determining the ratio corresponding to each air pollution level in each next road section according to the air pollution level of each vehicle position in the air pollution cloud picture; determining one target road section as a branch navigation route according to the principle that the air pollution level is minimum and the proportion is highest;
sequentially connecting the branch navigation routes to form the target navigation route (a route which is provided with an arrow and drawn by a thick line in fig. 2);
the next road section is a road section between the target intersection and the next road intersection adjacent to the target intersection;
the target section refers to a section having the smallest air pollution level.
Considering that there may be some road segments with the same air pollution level ratio in the above manner, for example, in fig. 2, for the road segment 3 between the intersection C2 and the intersection C3 and the road segment 4 between the intersection C2 and the intersection C5, the air pollution level ratios of the two road segments are completely the same, if the appropriate branch navigation route cannot be selected according to the above strategy, at this time, the branch navigation route is determined in such a manner that the mileage is shortest or the travel time is shortest. For example, in fig. 2, the mileage of the road segment 4 is smaller than the mileage of the road segment 3, and therefore, the road segment 4 is determined as the branch navigation route. That is, when determining the branch navigation route, if the percentage of each air pollution level in at least two next links is the same, one of the target links is determined as the branch navigation route on the basis of the shortest distance or the shortest travel time.
Thus, for the vehicle, according to the air pollution cloud picture, the target navigation route with the lowest pollution can be determined.
Of course, when determining the branch navigation route, for the urban road, in general, the distance between two intersections is not far apart, and the air pollution level on one road segment may be equivalent, so when determining the air pollution level ratio, it is not necessary to perform the ratio confirmation on the air pollution concentration level at the position where each vehicle is located, which is collected on the whole road segment, and the air pollution level ratio analysis confirmation may be performed only on the value transmitted by each vehicle within a predetermined distance range (such as 100 meters or 50 meters) from the target intersection.
And 104, navigating the vehicle based on the target navigation route.
When the vehicle is navigated, the navigation device of the vehicle displays the navigation information, and the user can only drive according to the target navigation route. The method is preferably applied to urban road scenes, and route planning is preferentially carried out by taking shortest time or shortest distance as a target due to the fact that the distance between intersections on the expressway is longer. In urban roads, the relative distance between intersections is short, and vehicles in the city are more, so that the pollution is serious.
By the method, before the vehicle travels, the navigation route is planned according to the principle of the lightest air pollution, so that the vehicle travels far away from a road section with high air pollution as far as possible, the suction of particles of people in the vehicle is reduced, and the concept of healthy traveling and green traveling is realized.
According to another aspect of the present invention, the present invention further provides a method for determining an air pollution concentration cloud chart, which is applied to a server, as shown in fig. 3, and specifically includes:
and step 204, sending the air pollution cloud picture to a vehicle.
The server establishes communication with the T-BOX of the vehicle, and particularly realizes wireless communication with the T-BOX through a mobile communication network. The T-BOX of each vehicle periodically transmits the air pollution value collected by the air pollution collecting device to the server.
After receiving the air pollution value of the position of the vehicle sent by each T-BOX, the server uses the formula:
and determining the air pollution concentration grade P of the position of each vehicle, wherein C is an air pollution value collected by an air pollution collection device arranged on each vehicle, and M is a constant.
Then, the display color corresponding to each air pollution concentration level is determined according to the correspondence table of the air pollution levels and the display colors, specifically, the correspondence table of the air pollution levels, the air pollution concentration levels, and the colors is shown as follows.
In the correspondence table, one display color corresponds to one air pollution level, and one display color corresponds to one air pollution concentration level range; and, the darker the color depth pair of the display color, the greater the corresponding air pollution level. That is, in the above table, the air pollution levels of green, yellow, orange, red, purple and brownish red correspond to the superior pollution level, the mild pollution level, the moderate pollution level, the severe pollution level and the severe pollution level, respectively. And the server displays corresponding colors on the map in a superposition manner according to a preset corresponding relation table of the air pollution level, the air pollution concentration level and the display colors, so as to form an air pollution cloud picture.
Specifically, the T-BOX synchronously transmits the vehicle position GPS signal to the server at the time of transmitting the air pollution value to the server. The server obtains the air pollution concentration grade and the corresponding color through an air pollution concentration grade algorithm model, and then the GPS signal is fused to form an air pollution cloud picture. And then, the server transmits the determined air pollution cloud picture to a T-BOX of the vehicle, and transmits the air pollution cloud picture to a vehicle machine through the T-BOX, and the vehicle machine determines a target navigation route and performs navigation after processing. In the application, the server only needs to fuse data of each vehicle to determine the air pollution cloud map, so that the vehicle can determine a healthy and green navigation route based on the air pollution cloud map.
According to another aspect of the present invention, there is also provided an automobile including:
the sending module is used for sending the air pollution value of the position where the vehicle is located, which is currently collected by the air pollution collecting device arranged on the vehicle, to the server;
the receiving module is used for receiving an air pollution cloud picture determined by a server based on air pollution values sent by all vehicles, and the air pollution cloud picture comprises: the map and the air pollution level of the position of each vehicle superposed and displayed on the map;
the determining module is used for determining a target navigation route according to the air pollution cloud picture;
and the navigation module is used for navigating the vehicle based on the target navigation route.
Preferably, the determining module comprises:
the first determination unit is used for determining a possibly passed intersection between the starting position and the target position of the vehicle according to the map in the air pollution cloud picture;
the second determining unit is used for determining one target road section in a plurality of next road sections as a branch navigation route when the vehicle runs to one target intersection every time according to the air pollution level of the position of each vehicle in the air pollution cloud picture;
the forming unit is used for sequentially connecting all the branch navigation routes to form the target navigation route;
the next road section is a road section between the target intersection and the next road intersection adjacent to the target intersection;
the target section refers to a section having the smallest air pollution level.
Preferably, the second determination unit includes:
the first determining subunit is used for determining the proportion corresponding to each air pollution level in each next road section according to the air pollution level of each vehicle position in the air pollution cloud picture; and determining one target road section as a branch navigation route according to the principle that the air pollution level is minimum and the air pollution ratio is highest.
Preferably, the second determination unit further includes:
and the second determining subunit is used for determining one target road section as the branch navigation route according to the principle that the distance is shortest or the running time is shortest if the proportion of the air pollution levels in the at least two next road sections is the same.
The automobile can plan the navigation route with the least pollution in the process from the starting position to the end position, reduces the amount of pollutant particles inhaled by a human body as much as possible, and achieves the effect of green and healthy travel.
According to another aspect of the present invention, the present invention also provides a server, including:
the receiving module is used for receiving the air pollution values which are sent by all vehicles and currently collected by the air pollution collecting devices arranged on the vehicles;
the determining module is used for determining the air pollution concentration level of the position of each vehicle based on the air pollution value sent by each vehicle;
the forming module is used for displaying the air pollution levels of the positions of all vehicles on a map in an overlapping mode according to the display mode corresponding to the air pollution levels to form an air pollution cloud picture;
and the sending module is used for sending the air pollution cloud picture to a vehicle.
Preferably, the determining module comprises:
by the formula:
and determining the air pollution concentration grade P of the position of each vehicle, wherein C is an air pollution value collected by an air pollution collecting device arranged on each vehicle, and M is a constant.
Preferably, the forming module includes:
the forming unit is used for displaying corresponding colors on the map in an overlapping mode according to a preset corresponding relation table of air pollution levels, air pollution concentration levels and display colors, so that an air pollution cloud picture is formed;
in the correspondence table, one display color corresponds to one air pollution concentration level range, and one display color represents one air pollution level; and, the darker the color depth pair of the display color, the greater the corresponding air pollution level.
It is only necessary for the server to fuse the data of the individual vehicles to determine the air pollution cloud map, so that the vehicles can determine a healthy green navigation route based on this.
According to another aspect of the present invention, there is also provided an air pollution-based navigation system, including:
a server 304;
the air pollution acquisition device 301 is used for acquiring an air pollution value of the position of the vehicle;
an air conditioner controller 302 connected to the air pollution collecting device 301;
T-BOX303 connected with the air conditioner controller 302, T-BOX303 is connected to server 304 wirelessly;
a vehicle machine 305 connected to the T-BOX 303;
the air pollution value collected by the air pollution collection device 301 is forwarded to the T-BOX302 through the air conditioner controller 302 and is transmitted to the server 304 through the T-BOX 302;
the server 304 determines an air pollution cloud map based on the air pollution values sent by the respective vehicles;
the vehicle machine 305 receives the air pollution cloud map of the server 304 through the T-BOX 303; determining a target navigation route according to the air pollution cloud map; and navigating the vehicle based on the target navigation route.
The system can plan the navigation route with the least pollution in the process from the starting position to the end position, reduces the amount of pollutant particles inhaled by a human body as much as possible, and achieves the effect of green and healthy travel.
Claims (10)
1. A navigation method based on air pollution is applied to an automobile, and is characterized by comprising the following steps:
sending an air pollution value of a position where a vehicle is located, which is currently collected by an air pollution collecting device arranged on the vehicle, to a server;
receiving an air pollution cloud picture determined by a server based on air pollution values sent by each vehicle, wherein the air pollution cloud picture comprises: the map and the air pollution levels of the positions of the vehicles which are displayed on the map in an overlapping mode;
determining a target navigation route according to the air pollution cloud picture;
and navigating the vehicle based on the target navigation route.
2. The method of claim 1, wherein determining a target navigation route from the cloud of air pollution comprises:
determining intersections which can be passed by the vehicle from the starting position to the target position according to the map in the air pollution cloud picture;
determining one of a plurality of next road sections as a branch navigation route when the vehicle drives to a target intersection according to the air pollution level of the position of each vehicle in the air pollution cloud picture;
sequentially connecting all the branch navigation routes to form the target navigation route;
the next road section is a road section between the target intersection and the next road intersection adjacent to the target intersection;
the target section refers to a section having the smallest air pollution level.
3. The method of claim 2, wherein the step of determining one of the next road segments as the branch navigation route according to the air pollution level at the position of each vehicle in the air pollution cloud map comprises:
determining the ratio corresponding to each air pollution level in each next road section according to the air pollution level of each vehicle position in the air pollution cloud picture;
and determining one target road section as a branch navigation route according to the principle that the air pollution level is minimum and the proportion is highest.
4. The method of claim 3, wherein the step of determining one of the next road segments as the branch navigation route for each vehicle traveling to a target intersection according to the air pollution level at the location of each vehicle in the air pollution cloud further comprises:
and if the proportion of the air pollution levels in at least two next road sections is the same, determining one target road section as a branch navigation route according to the principle of shortest distance or shortest driving time.
5. A method for determining an air pollution concentration cloud chart is applied to a server, and is characterized by comprising the following steps:
receiving air pollution values currently collected by air pollution collection devices arranged on vehicles and sent by the vehicles;
determining the air pollution concentration level of the position of each vehicle based on the air pollution value sent by each vehicle;
superposing and displaying the air pollution levels of the positions of all vehicles on a map according to a display mode corresponding to the air pollution concentration levels to form an air pollution cloud picture;
and sending the air pollution cloud picture to a vehicle.
6. The method of claim 5, wherein the step of determining the air pollution concentration level at the location of each vehicle based on the air pollution value transmitted by each vehicle comprises:
by the formula:
and determining the air pollution concentration grade P of the position of each vehicle, wherein C is an air pollution value collected by an air pollution collecting device arranged on each vehicle, and M is a constant.
7. The determination method according to claim 5, wherein the step of displaying the air pollution levels of the positions of the vehicles on the map in an overlapping manner according to the display modes corresponding to the air pollution levels to form the air pollution cloud map comprises:
superposing and displaying corresponding colors at the positions of all vehicles on a map according to a preset corresponding relation table of air pollution grades, air pollution concentration grades and display colors to form an air pollution cloud picture;
in the correspondence table, one display color corresponds to one air pollution concentration level range, and one display color represents one air pollution level; and, the darker the color depth pair of the display color, the greater the corresponding air pollution level.
8. An automobile, comprising:
the sending module is used for sending the air pollution value of the position where the vehicle is located, which is currently collected by the air pollution collecting device arranged on the vehicle, to the server;
the receiving module is used for receiving an air pollution cloud picture determined by a server based on air pollution values sent by all vehicles, and the air pollution cloud picture comprises: the map and the air pollution levels of the positions of the vehicles which are displayed on the map in an overlapping mode;
the determining module is used for determining a target navigation route according to the air pollution cloud picture;
and the navigation module is used for navigating the vehicle based on the target navigation route.
9. A server, comprising:
the receiving module is used for receiving the air pollution values currently acquired by the air pollution acquisition devices arranged on the vehicles and sent by the vehicles;
the determining module is used for determining the air pollution concentration level of the position of each vehicle based on the air pollution value sent by each vehicle;
the forming module is used for displaying the air pollution levels of the positions of all vehicles on a map in an overlapping mode according to the display mode corresponding to the air pollution levels to form an air pollution cloud picture;
and the sending module is used for sending the air pollution cloud picture to a vehicle.
10. An air pollution-based navigation system, comprising:
a server;
the air pollution acquisition device is used for acquiring an air pollution value of the position of the vehicle;
the air conditioner controller is connected with the air pollution collecting device;
the T-BOX is connected with the air conditioner controller and is wirelessly connected to a server;
the vehicle machine is connected with the T-BOX;
the air pollution value collected by the air pollution collection device is forwarded to the T-BOX through the air conditioner controller, and is transmitted to the server through the T-BOX;
the server determines an air pollution cloud picture based on the air pollution values sent by the vehicles;
the vehicle machine receives the air pollution cloud picture of the server through the T-BOX; determining a target navigation route according to the air pollution cloud picture; and navigating the vehicle based on the target navigation route.
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| CN201910805277.4A CN110631599A (en) | 2019-08-29 | 2019-08-29 | Navigation method, system, server and automobile based on air pollution |
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Application publication date: 20191231 |