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CN-121989881-A - Vehicle control method, computer program product, storage medium, vehicle controller, and vehicle

CN121989881ACN 121989881 ACN121989881 ACN 121989881ACN-121989881-A

Abstract

The application provides a vehicle control method, a computer program product, a storage medium, a vehicle controller and a vehicle, wherein according to the vehicle control method, vehicle operation related data of a vehicle can be obtained, whether vehicle starting conditions of the vehicle are met or not is determined according to the vehicle operation related data, and when the vehicle starting conditions are met, braking control can be carried out on the vehicle if the vehicle is identified to have a sliding risk according to suspension stress condition data of the vehicle.

Inventors

  • XU QILING

Assignees

  • 博世汽车部件(苏州)有限公司

Dates

Publication Date
20260508
Application Date
20260209

Claims (13)

  1. 1. A vehicle control method comprising: acquiring vehicle operation related data of the vehicle; Determining whether a vehicle starting condition of the vehicle is met according to the vehicle running related data; When the starting condition of the vehicle is met, if the vehicle is identified to have the risk of sliding according to the suspension stress condition data of the vehicle, the vehicle is subjected to braking control.
  2. 2. The method of claim 1, wherein the vehicle launch condition comprises the electronic parking function of the host vehicle being released, the host vehicle being in a drive range, and the host vehicle being stationary, or The vehicle starting conditions comprise that the electronic parking function of the vehicle is in a release state, the vehicle is in a driving gear, the vehicle is in a static state, and the inclination angle of the vehicle body of the vehicle is smaller than an angle threshold value.
  3. 3. The method of claim 2, wherein the driving range comprises one of a forward range and a reverse range, and/or, The body tilt angle includes a body pitch angle.
  4. 4. The method according to claim 1, wherein when the vehicle starting condition is satisfied, if it is identified from the suspension stress condition data of the host vehicle that the host vehicle has a risk of rolling, the method includes: When the starting condition of the vehicle is met, if the vehicle sliding risk judging condition of the vehicle is identified to be met according to the suspension stress condition data of the vehicle, braking control is carried out on the vehicle; the vehicle sliding risk judging conditions comprise that driving torque generated by the vehicle is smaller than vehicle sliding torque generated by gravity of the vehicle, and the vehicle sliding torque is determined according to suspension stress condition data of the vehicle.
  5. 5. The method of claim 4, wherein the suspension stress condition data of the host vehicle comprises a first suspension vertical supporting force applied to the host vehicle body by a front wheel suspension of the host vehicle and a second suspension vertical supporting force applied to the host vehicle body by a rear wheel suspension of the host vehicle; the absolute difference of the first suspension vertical supporting force and the second suspension vertical supporting force is positively correlated with the rolling torque.
  6. 6. The method of claim 5, wherein the roll torque is further positively correlated with at least one of a weight of the host vehicle, a wheel radius, and a body tilt angle.
  7. 7. The method according to any one of claims 1-6, wherein when the vehicle start condition is satisfied, if the vehicle is identified as having a risk of rolling according to the suspension stress condition data of the vehicle, the method includes: When the vehicle starting condition is met, if the vehicle is identified to have a vehicle sliding risk according to the suspension stress condition data of the vehicle, a braking control instruction for indicating the vehicle to generate target braking torque is generated, wherein the target braking torque is larger than or equal to the vehicle sliding torque generated by the gravity of the vehicle.
  8. 8. The method of claim 7, wherein the brake control command is used to control the target brake system to generate a brake torque to decrease to the target brake torque when the current generated brake torque is greater than the target brake torque, and to control the target brake system to continue generating the target brake torque for a first period of time, or When the current generated braking torque of the target braking system of the vehicle is smaller than the target braking torque, the braking control instruction is used for controlling the braking torque generated by the target braking system to be increased to the target braking torque, and controlling the duration of the target braking system for continuously generating the target braking torque to be a second duration; the target braking system comprises an electromechanical braking system or a hydraulic braking system.
  9. 9. The method of claim 7, further comprising, after generating the brake control command for instructing the host vehicle to generate the target brake torque: generating a stopping brake control instruction for the own vehicle when the driving torque generated by the own vehicle is identified to be greater than or equal to the vehicle sliding torque generated by the gravity of the own vehicle or when the duration time of the driving torque generated by the own vehicle is identified to be greater than or equal to the third duration time of the vehicle sliding torque generated by the gravity of the own vehicle; the target braking system comprises an electromechanical braking system or a hydraulic braking system.
  10. 10. A computer program product comprising a computer program which, when executed, implements the steps of the method of any one of claims 1 to 9.
  11. 11. A storage medium having stored thereon a computer program which, when executed, implements the steps of the method of any of claims 1 to 9.
  12. 12. A vehicle controller comprising a processor and a memory, wherein the memory stores a computer program adapted to be loaded by the processor and to perform the steps of the method according to any one of claims 1-9.
  13. 13. A vehicle comprising the vehicle controller of claim 12.

Description

Vehicle control method, computer program product, storage medium, vehicle controller, and vehicle Technical Field The present application relates to the field of vehicle control technology, and in particular, to a vehicle control method, a computer program product, a storage medium, a vehicle controller, and a vehicle. Background With the continuous development and consumption upgrading of the automobile industry, people have higher and higher requirements on the intellectualization and safety of automobiles. Currently, when a vehicle is parked on an uneven road or a slope, the vehicle may generate a torque under the influence of gravity, which may be referred to simply as a roll torque, that causes the vehicle to roll. However, in the vehicle starting stage, the situation that the vehicle driving system cannot timely provide sufficient driving torque to offset the sliding torque in the vehicle starting stage easily occurs due to the influence of factors such as difference of the operation proficiency of a driver, response delay of a driving system, imperfect vehicle intelligent control scheme and the like, so that the vehicle is at risk of sliding, and the running safety and user experience of the vehicle are affected. Disclosure of Invention Based on this, the present application provides a vehicle control method, a computer program product, a storage medium, a vehicle controller, and a vehicle, with which, the vehicle sliding risk in the vehicle starting process can be reduced conveniently and effectively, and the vehicle starting safety and user experience are improved. In one aspect, the present application provides a vehicle control method, the method including: acquiring vehicle operation related data of the vehicle; Determining whether a vehicle starting condition of the vehicle is met according to the vehicle running related data; When the starting condition of the vehicle is met, if the vehicle is identified to have the risk of sliding according to the suspension stress condition data of the vehicle, the vehicle is subjected to braking control. In another aspect, the present application also provides a computer program product comprising a computer program which, when executed, implements the steps of the vehicle control method described above. In another aspect, the present application also provides a storage medium having stored thereon a computer program which, when executed, implements the steps of the vehicle control method described above. In another aspect, the application also provides a vehicle controller comprising a processor and a memory, wherein the memory stores a computer program adapted to be loaded by the processor and to perform the steps of the vehicle control method described above. On the other hand, the application also provides a vehicle which comprises the vehicle controller. According to the vehicle control method, vehicle operation related data of the vehicle can be obtained in the running process of the vehicle, whether the vehicle starting condition of the vehicle is met or not is determined according to the vehicle operation related data, and when the vehicle starting condition is met, if the vehicle is recognized to have the risk of sliding according to the suspension stress condition data of the vehicle, braking control can be carried out on the vehicle, so that the risk of sliding in the starting process of the vehicle is reduced conveniently and effectively, and vehicle starting safety and user experience are improved. It should be understood that the description in this summary is not intended to limit the critical or essential features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the description that follows. Drawings Fig. 1 is a schematic flow chart of a vehicle control method according to an embodiment of the present application; Fig. 2 is a schematic diagram of a vehicle starting scene provided by an embodiment of the present application; Fig. 3 is a schematic structural diagram of a vehicle controller according to an embodiment of the present application. Detailed Description In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be clearly and completely described below with reference to specific embodiments of the present application and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. The sequence of part of the steps in the method provided in one or more embodiments of the present application may be interchanged according to actual needs, or par