CN109649479B - Control method and device for electric power steering of automobile - Google Patents
Control method and device for electric power steering of automobile Download PDFInfo
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- CN109649479B CN109649479B CN201811511709.2A CN201811511709A CN109649479B CN 109649479 B CN109649479 B CN 109649479B CN 201811511709 A CN201811511709 A CN 201811511709A CN 109649479 B CN109649479 B CN 109649479B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0463—Controlling the motor calculating assisting torque from the motor based on driver input
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Abstract
The application discloses a control method and device for automobile electric power steering. The method comprises the following steps: after the automobile is started, acquiring a physiological characteristic signal of a driver on the automobile, wherein the physiological characteristic signal comprises at least one of the following signals: height signals and weight signals; matching physiological characteristic data corresponding to the physiological characteristic signals with data information in a data table, and determining a target boosting mode corresponding to the physiological characteristic signals; the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; and controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode. Through the application, the problem that in the related art, the power-assisted mode of the automobile electric power steering system needs manual selection of a driver and influences driving experience is solved.
Description
Technical Field
The application relates to the technical field of automobile control, in particular to a control method and device for automobile electric power steering.
Background
Some Electric power steering systems (EPS) of automobiles have a function of selecting a power-assisted mode, for example, the power-assisted mode is classified into light, medium and heavy according to the magnitude of power assistance, and is classified into light, comfortable and sporty according to performance. However, the boost mode stages need to be selected manually by the driver, by hard key buttons or touch screen buttons. In order to ensure safety, the selection needs to be carried out under the condition of parking or low speed, and the operation has certain difficulty. If the driver forgets to drive or is unfamiliar with the vehicle, the driver needs to stop to switch when needing to switch the power-assisted mode, and the driving experience is influenced.
Aiming at the problem that the power-assisted mode of an automobile electric power-assisted steering system in the related art needs manual selection of a driver and influences the driving experience, an effective solution is not provided at present.
Disclosure of Invention
The application mainly aims to provide a control method and device for automobile electric power steering, so as to solve the problem that in the related art, the power-assisted mode of an automobile electric power steering system needs manual selection of a driver, and the driving experience is influenced.
In order to achieve the above object, according to one aspect of the present application, there is provided a control method of an electric power steering of an automobile. The method comprises the following steps: after the automobile is started, acquiring a physiological characteristic signal of a driver on the automobile, wherein the physiological characteristic signal comprises at least one of the following signals: height signals and weight signals; matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signal, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; and controlling the power-assisted mode of the automobile electric power-assisted steering to be a target power-assisted mode.
Further, if the physiological characteristic signal is a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table, and matching the weight range to which the weight data of the driver belongs; and determining a target power assisting mode corresponding to the weight range to which the weight data of the driver belongs.
Further, if the physiological characteristic signal is a height signal and a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table, matching the weight range to which the weight data of the driver belongs, matching the height data corresponding to the acquired height signal of the driver with the height range in the data table, matching the height range to which the height data of the driver belongs, and determining the weight range to which the weight data of the driver belongs and the target power-assisted mode corresponding to the height range to which the height data of the driver belongs in the data table.
Further, the method further comprises: and when the power-assisted mode for controlling the electric power-assisted steering of the automobile is the target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile.
Further, after the physiological characteristic signal of the driver is collected by the collecting device, the method further comprises: judging whether the physiological characteristic signal is abnormal or not; and under the condition that the physiological characteristic signal is abnormal, controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile, and triggering fault alarm reminding at the same time.
In order to achieve the above object, according to another aspect of the present application, there is provided a control apparatus for electric power steering of an automobile. The device includes: the system comprises a collecting unit and a control unit, wherein the collecting unit is used for collecting physiological characteristic signals of a driver on an automobile after the automobile is started, and the physiological characteristic signals comprise at least one of the following signals: height signals and weight signals; the matching unit is used for matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table and determining a target power assisting mode corresponding to the physiological characteristic signal, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; and the first control unit is used for controlling the power-assisted mode of the automobile electric power-assisted steering to be a target power-assisted mode.
Further, the matching unit further includes: the first matching module is used for matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table under the condition that the physiological characteristic signal is the weight, and matching the weight range to which the weight data of the driver belongs; the first determining module is used for determining a target power assisting mode corresponding to a weight range to which the weight data of the driver belongs.
Further, the matching unit 20 further includes: the second matching module is used for matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to obtain the weight range to which the weight data of the driver belongs, matching the height data corresponding to the acquired height signal of the driver with the height range in the data table to obtain the height range to which the height data of the driver belongs, and the second determining module is used for determining the weight range to which the weight data of the driver belongs and the target boosting mode corresponding to the height range to which the height data of the driver belongs in the data table.
In order to achieve the above object, according to another aspect of the present application, there is provided a storage medium characterized by comprising a stored program, wherein the program executes the control method of the electric power steering of the automobile according to any one of the above.
In order to achieve the above object, according to another aspect of the present application, there is provided a processor, wherein the processor is configured to execute a program, wherein the program is executed to execute any one of the above control methods for electric power steering of a vehicle.
Through the application, the following steps are adopted: after the automobile is started, acquiring a physiological characteristic signal of a driver on the automobile, wherein the physiological characteristic signal comprises at least one of the following signals: height signals and weight signals; matching physiological characteristic data corresponding to the physiological characteristic signals with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signals, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; the power-assisted mode for controlling the automobile electric power-assisted steering is the target power-assisted mode, and the problem that the power-assisted mode of an automobile electric power-assisted steering system in the related technology needs manual selection of a driver and influences driving experience is solved. Through automatic height signal and/or weight signal of gathering the driver, select target helping hand mode based on driver's height signal and/or weight, and then reached the intelligence that promotes to select helping hand mode, promoted the effect of driving experience.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 is a flow chart of a control method for electric power steering of an automobile according to an embodiment of the present application;
FIG. 2 is a first schematic diagram of an alternative control method for electric power steering of an automobile according to an embodiment of the present disclosure;
FIG. 3 is a second schematic diagram of an alternative control method for electric power steering of an automobile according to an embodiment of the present disclosure;
fig. 4 is a schematic diagram of a control device for electric power steering of an automobile according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to an embodiment of the application, a control method of electric power steering of an automobile is provided.
Fig. 1 is a flowchart of a control method of an electric power steering of an automobile according to an embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, after the automobile is started, acquiring physiological characteristic signals of a driver on the automobile, wherein the physiological characteristic signals comprise at least one of the following signals: height signal, weight signal.
After a start switch for starting the automobile is powered on, the automobile is started. After the automobile is started, a height signal of a driver is acquired through a cab camera or a position sensor of an automobile seat, and a weight signal of the driver is acquired through a seat pressure sensor.
And S102, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signal, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode.
The CAN bus transmits the signals to the EPS control unit, the EPS control unit converts height signals collected by the sensor to obtain height data, and converts weight signals collected by the sensor to obtain weight data. And matching the height data and/or the weight data with the data information in the data table to determine a target boosting mode corresponding to the physiological characteristic signal.
Optionally, in the control method for electric power steering of an automobile provided in the embodiment of the present application, if the physiological characteristic signal is a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to match the weight range to which the weight data of the driver belongs; and determining a target power assisting mode corresponding to the weight range to which the weight data of the driver belongs.
For example, the information of the data table is as shown in the following table 1,
TABLE 1
| Body weight M/kg | Boost mode |
| M>70 | Heavy load |
| 50<M<70 | In |
| M<50 | Light and lightweight |
For example, the collected weight of the driver is 65kg, the weight range to which the weight data of the driver belongs is 50kg < M <70kg, and the power assisting magnitude of the power assisting mode corresponding to the weight range of 50kg < M <70kg is middle, that is, the target power assisting mode is determined to be middle.
As shown in fig. 2, after the automobile starting switch is powered on, the seat position sensor acquires a weight signal of the driver, the weight signal is transmitted to the EPS control unit through the CAN bus, the EPS control unit converts the weight signal to obtain weight data, the weight data is matched with a weight range in the data table to match the weight range to which the weight data of the driver belongs, a target power-assisted mode corresponding to the weight range to which the weight data of the driver belongs is determined, and the EPS motor performs servo in the target power-assisted mode.
Optionally, in the control method for electric power steering of an automobile provided in the embodiment of the present application, if the physiological characteristic signal is a height signal and a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to match out the weight range to which the weight data of the driver belongs, matching the height data corresponding to the acquired height signal of the driver with the height range in the data table to match out the height range to which the height data of the driver belongs, and determining the weight range to which the weight data of the driver belongs and the target power-assisting mode corresponding to the height range to which the height data of the driver belongs in the data table.
For example, the information of the data table is as shown in the following table 2,
TABLE 2
For example, the acquired weight of the driver is 65kg, the height is 175cm, the weight range to which the weight data of the driver belongs is 50kg < M <70kg, the height range to which the height of the driver belongs is L >170cm, the power assisting size of the power assisting mode corresponding to the weight range of 50kg < M <70kg and the height range of L >170cm is light, that is, the target power assisting mode is determined to be light.
As shown in fig. 3, after the automobile start switch is powered on, the seat position sensor acquires a weight signal of the driver, the cab camera or the position sensor of the automobile seat acquires a height signal of the driver, the CAN bus transmits the signal to the EPS control unit, the EPS control unit converts the weight signal to obtain weight data, the EPS control unit converts the height signal to obtain height data, and matches the acquired weight and height of the driver with the weight range and height range in the data table to obtain a weight range to which the weight data of the driver belongs and a height range to which the height of the driver belongs; and determining a target power-assisted mode corresponding to a weight range to which the weight data of the driver belongs and a height range to which the height of the driver belongs in the data table, and servo-executing the target power-assisted mode by the EPS motor.
And step S103, controlling the power-assisted mode of the automobile electric power-assisted steering to be the target power-assisted mode.
And executing a target power-assisted mode by the EPS motor servo to control the power-assisted mode of the electric power-assisted steering of the automobile as the target power-assisted mode.
Optionally, in the control method for electric power steering of an automobile provided in an embodiment of the present application, the method further includes: and informing the power-assisted mode display to display the current power-assisted mode of the automobile while controlling the power-assisted mode of the electric power-assisted steering of the automobile to be the target power-assisted mode.
For example, the target assist mode is a mode in which the EPS motor performs servo-control to execute the target assist mode, and the assist mode display is notified of the current assist mode of the vehicle while the assist mode for controlling the electric power steering of the vehicle is the target assist mode.
Optionally, in the control method for electric power steering of an automobile provided in the embodiment of the present application, after the collecting device collects the physiological characteristic signal of the driver, the method further includes: judging whether the physiological characteristic signal is abnormal or not; and under the condition of abnormal physiological characteristic signals, controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile, and triggering fault alarm reminding at the same time.
For example, when the acquired weight signal or height signal is abnormal, the power assisting size of the power assisting mode of the electric power steering of the automobile is controlled to be medium, the power assisting mode display is informed to display the current power assisting mode of the automobile, and meanwhile, a fault alarm prompt is triggered.
To sum up, the control method for electric power steering of an automobile provided in the embodiment of the present application collects physiological characteristic signals of a driver in the automobile after the automobile is started, where the physiological characteristic signals include at least one of the following signals: height signals and weight signals; matching physiological characteristic data corresponding to the physiological characteristic signals with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signals, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; the power-assisted mode for controlling the automobile electric power-assisted steering is the target power-assisted mode, and the problem that the power-assisted mode of an automobile electric power-assisted steering system in the related technology needs manual selection of a driver and influences driving experience is solved. Through automatic height signal and/or weight signal of gathering the driver, select target helping hand mode based on driver's height signal and/or weight, and then reached the intelligence that promotes to select helping hand mode, promoted the effect of driving experience.
Compared with the traditional power-assisted mode selection, the control method for the electric power-assisted steering of the automobile does not need manual selection and an EPS control unit can judge the proper power-assisted mode to be selected, so that the driving experience is improved.
It should be noted that the steps illustrated in the flowcharts of the figures may be performed in a computer system such as a set of computer-executable instructions and that, although a logical order is illustrated in the flowcharts, in some cases, the steps illustrated or described may be performed in an order different than presented herein.
The embodiment of the present application further provides a control device for electric power steering of an automobile, and it should be noted that the control device for electric power steering of an automobile according to the embodiment of the present application may be used to execute the control method for electric power steering of an automobile according to the embodiment of the present application. The following describes a control device for electric power steering of an automobile according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a control device for electric power steering of an automobile according to an embodiment of the present application. As shown in fig. 4, the apparatus includes: an acquisition unit 10, a matching unit 20 and a first control unit 30.
Specifically, the acquisition unit 10 is configured to acquire a physiological characteristic signal of a driver in the vehicle after the vehicle is started, where the physiological characteristic signal includes at least one of: height signals and weight signals;
the matching unit 20 is configured to match the physiological characteristic data corresponding to the physiological characteristic signal with the data information in the data table, and determine a target power-assisted mode corresponding to the physiological characteristic signal; the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode;
the first control unit 30 is configured to control the assist mode of the electric power steering of the vehicle to be the target assist mode.
The control device that car electric power assisted steering that this application embodiment provided, through collection unit 10 after the car starts, gather driver's physiological characteristic signal on the car, wherein, physiological characteristic signal includes at least one of following: height signals and weight signals; the matching unit 20 matches the physiological characteristic data corresponding to the physiological characteristic signal with the data information in the data table, and determines a target power-assisted mode corresponding to the physiological characteristic signal; the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; the first control unit 30 controls the power-assisted mode of the electric power-assisted steering system of the automobile to be the target power-assisted mode, and the problem that the power-assisted mode of the electric power-assisted steering system of the automobile in the related art needs manual selection of a driver and influences driving experience is solved. Through automatic height signal and/or weight signal of gathering the driver, select target helping hand mode based on driver's height signal and/or weight, and then reached the intelligence that promotes to select helping hand mode, promoted the effect of driving experience.
Optionally, in the control device for electric power steering of an automobile provided in the embodiment of the present application, the matching unit 20 further includes: the first matching module is used for matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table under the condition that the physiological characteristic signal is the weight, and matching the weight range to which the weight data of the driver belongs; the first determining module is used for determining a target power assisting mode corresponding to a weight range to which the weight data of the driver belongs.
Optionally, in the control device for electric power steering of an automobile provided in the embodiment of the present application, the matching unit 20 further includes: the second matching module is used for matching the acquired weight and height of the driver with the weight range and the height range in the data table under the condition that the physiological characteristic signal is a height signal and weight, and matching the weight range to which the weight data of the driver belongs and the height range to which the height of the driver belongs; and the second determining module is used for determining a target power assisting mode corresponding to the weight range to which the weight data of the driver belongs and the height range to which the height of the driver belongs in the data table.
Optionally, in the control device for electric power steering of an automobile provided in an embodiment of the present application, the device further includes: and the display unit is used for informing the power-assisted mode display to display the current power-assisted mode of the automobile while controlling the power-assisted mode of the electric power-assisted steering of the automobile to be the target power-assisted mode.
Optionally, in the control device for electric power steering of an automobile provided in an embodiment of the present application, the device further includes: the judgment unit is used for judging whether the physiological characteristic signal is abnormal or not after the physiological characteristic signal of the driver on the automobile is collected; and the second control unit is used for controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode under the condition that the physiological characteristic signal is abnormal, informing the power-assisted mode display to display the current power-assisted mode of the automobile and triggering fault alarm reminding at the same time.
The control device for the automobile electric power steering comprises a processor and a memory, wherein the acquisition unit 10, the matching unit 20, the first control unit 30 and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls the corresponding program unit from the memory. The kernel can be set to be one or more than one, and the electric power steering of the automobile is controlled by adjusting kernel parameters.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
An embodiment of the present invention provides a storage medium having a program stored thereon, where the program is executed by a processor to implement the control method for electric power steering of an automobile.
The embodiment of the invention provides a processor, which is used for running a program, wherein the program executes the control method of the automobile electric power steering when running.
The embodiment of the invention provides equipment, which comprises a processor, a memory and a program which is stored on the memory and can run on the processor, wherein the processor executes the program and realizes the following steps: after the automobile is started, acquiring a physiological characteristic signal of a driver on the automobile, wherein the physiological characteristic signal comprises at least one of the following signals: height signals and weight signals; matching physiological characteristic data corresponding to the physiological characteristic signals with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signals, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; and controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode.
Optionally, if the physiological characteristic signal is a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to match the weight range to which the weight data of the driver belongs; and determining a target power assisting mode corresponding to the weight range to which the weight data of the driver belongs.
Optionally, if the physiological characteristic signal is a height signal and a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with the data information in the data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: the second matching module is used for matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to obtain the weight range to which the weight data of the driver belongs, matching the height data corresponding to the acquired height signal of the driver with the height range in the data table to obtain the height range to which the height data of the driver belongs, and the second determining module is used for determining the weight range to which the weight data of the driver belongs and the target boosting mode corresponding to the height range to which the height data of the driver belongs in the data table.
Optionally, the method further comprises: and informing the power-assisted mode display to display the current power-assisted mode of the automobile while controlling the power-assisted mode of the electric power-assisted steering of the automobile to be the target power-assisted mode.
Optionally, after the collecting the physiological characteristic signal of the driver by the collecting device, the method further comprises: judging whether the physiological characteristic signal is abnormal or not; and under the condition of abnormal physiological characteristic signals, controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile, and triggering fault alarm reminding at the same time. The device herein may be a server, a PC, a PAD, a mobile phone, etc.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: after the automobile is started, acquiring a physiological characteristic signal of a driver on the automobile, wherein the physiological characteristic signal comprises at least one of the following signals: height signals and weight signals; matching physiological characteristic data corresponding to the physiological characteristic signals with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signals, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode; and controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode.
Optionally, if the physiological characteristic signal is a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to match the weight range to which the weight data of the driver belongs; and determining a target power assisting mode corresponding to the weight range to which the weight data of the driver belongs.
Optionally, if the physiological characteristic signal is a height signal and a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with the data information in the data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal includes: matching the acquired weight and height of the driver with the weight range and the height range in the data table, and matching the weight range to which the weight data of the driver belongs and the height range to which the height of the driver belongs; and determining a target power assisting mode corresponding to a weight range to which the weight data of the driver belongs and a height range to which the height of the driver belongs in the data table.
Optionally, the method further comprises: and informing the power-assisted mode display to display the current power-assisted mode of the automobile while controlling the power-assisted mode of the electric power-assisted steering of the automobile to be the target power-assisted mode.
Optionally, after the collecting the physiological characteristic signal of the driver by the collecting device, the method further comprises: judging whether the physiological characteristic signal is abnormal or not; and under the condition of abnormal physiological characteristic signals, controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile, and triggering fault alarm reminding at the same time.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (9)
1. A control method for electric power steering of an automobile is characterized by comprising the following steps:
after the automobile is started, acquiring a physiological characteristic signal of a driver on the automobile, wherein the physiological characteristic signal comprises at least one of the following signals: height signals and weight signals;
matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining a target power assisting mode corresponding to the physiological characteristic signal, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode;
controlling a power-assisted mode of the automobile electric power-assisted steering to be a target power-assisted mode;
wherein after the vehicle is started and the physiological characteristic signal of the driver on the vehicle is collected, the method further comprises:
judging whether the physiological characteristic signal is abnormal or not;
and under the condition that the physiological characteristic signal is abnormal, controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile, and triggering fault alarm reminding at the same time.
2. The method of claim 1, wherein if the physiological characteristic signal is a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target assistive mode corresponding to the physiological characteristic signal comprises:
matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table, and matching the weight range to which the weight data of the driver belongs;
and determining a target power assisting mode corresponding to the weight range to which the weight data of the driver belongs.
3. The method of claim 1, wherein if the physiological characteristic signal is a height signal and a weight signal, matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table, and determining the target power-assisted mode corresponding to the physiological characteristic signal comprises:
matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to match the weight range to which the weight data of the driver belongs, and matching the height data corresponding to the acquired height signal of the driver with the height range in the data table to match the height range to which the height data of the driver belongs;
and determining a target power-assisted mode corresponding to the weight range to which the weight data of the driver belongs and the height range to which the height data of the driver belongs in the data table.
4. The method of claim 1, further comprising: and when the power-assisted mode for controlling the electric power-assisted steering of the automobile is the target power-assisted mode, informing a power-assisted mode display to display the current power-assisted mode of the automobile.
5. A control device for electric power steering of an automobile, characterized by comprising:
the system comprises a collecting unit and a control unit, wherein the collecting unit is used for collecting physiological characteristic signals of a driver on an automobile after the automobile is started, and the physiological characteristic signals comprise at least one of the following signals: height signals and weight signals;
the matching unit is used for matching the physiological characteristic data corresponding to the physiological characteristic signal with data information in a data table and determining a target power assisting mode corresponding to the physiological characteristic signal, wherein the data table comprises a height range and/or a weight range, a power assisting mode and a corresponding relation between the height range and/or the weight range and the power assisting mode;
the first control unit is used for controlling the power-assisted mode of the automobile electric power-assisted steering to be a target power-assisted mode;
wherein the apparatus further comprises: the judgment unit is used for judging whether the physiological characteristic signal is abnormal or not after the physiological characteristic signal of the driver on the automobile is collected; and the second control unit is used for controlling the power-assisted mode of the electric power-assisted steering of the automobile to be a target power-assisted mode under the condition that the physiological characteristic signal is abnormal, informing the power-assisted mode display to display the current power-assisted mode of the automobile and triggering fault alarm reminding at the same time.
6. The apparatus of claim 5, wherein the matching unit further comprises:
the first matching module is used for matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table under the condition that the physiological characteristic signal is the weight, and matching the weight range to which the weight data of the driver belongs;
the first determining module is used for determining a target power assisting mode corresponding to a weight range to which the weight data of the driver belongs.
7. The apparatus of claim 5, wherein the matching unit 20 further comprises:
the second matching module is used for matching the weight data corresponding to the acquired weight signal of the driver with the weight range in the data table to match the weight range to which the weight data of the driver belongs, matching the height data corresponding to the acquired height signal of the driver with the height range in the data table to match the height range to which the height data of the driver belongs;
and the second determining module is used for determining a target power-assisted mode corresponding to the weight range to which the weight data of the driver belongs and the height range to which the height data of the driver belongs in the data table.
8. A storage medium comprising a stored program, wherein the program executes the control method of electric power steering for an automobile according to any one of claims 1 to 4.
9. A processor, characterized in that the processor is configured to run a program, wherein the program is executed to execute the control method of electric power steering of a vehicle according to any one of claims 1 to 4.
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| CN201811511709.2A CN109649479B (en) | 2018-12-11 | 2018-12-11 | Control method and device for electric power steering of automobile |
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| CN201811511709.2A CN109649479B (en) | 2018-12-11 | 2018-12-11 | Control method and device for electric power steering of automobile |
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| US11820448B2 (en) * | 2020-10-01 | 2023-11-21 | Steering Solutions Ip Holding Corporation | Infinite steering mode |
| CN113443003B (en) * | 2021-08-19 | 2022-06-03 | 浙江吉利控股集团有限公司 | Control method and device for steering assist motor |
| CN113859358A (en) * | 2021-11-03 | 2021-12-31 | 安徽江淮汽车集团股份有限公司 | Control system and method for steering intelligent linkage function |
| CN117549962B (en) * | 2024-01-11 | 2024-04-19 | 博世汽车转向系统（济南）有限公司 | Control method of electric power steering system and electric power steering system |
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| JP4461630B2 (en) * | 2001-03-30 | 2010-05-12 | 株式会社デンソー | Steering characteristic setting device for electric power steering and setting method thereof |
| KR101405603B1 (en) * | 2012-03-12 | 2014-06-10 | 주식회사 만도 | Electric Power Steering Apparatus for Vehicle |
| KR101557217B1 (en) * | 2014-03-10 | 2015-10-13 | 대성전기공업 주식회사 | System and method for controlling a steering assistant force using driver's force |
| KR20170012729A (en) * | 2015-07-23 | 2017-02-03 | 주식회사 만도 | Method for controlling electronic power steering and apparatus thereof |
| CN107472354A (en) * | 2017-06-21 | 2017-12-15 | 宝沃汽车（中国）有限公司 | Power steering control method, system and the vehicle of vehicle |
| CN107298128A (en) * | 2017-07-18 | 2017-10-27 | 山东梅拉德能源动力科技有限公司 | The EPS and its mode switching method of a kind of changeable power steering pattern |
| CN108839710B (en) * | 2018-06-01 | 2021-07-13 | 北汽福田汽车股份有限公司 | Vehicle and steering power-assisted control method and system thereof |
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