Electric control rear wheel steering method, device, electronic equipment and storage medium

A rear wheel steering and electronic control technology, applied in the field of vehicles, can solve problems that do not involve the strategy description of driving out of curves, and achieve the effect of improving safety and driving experience, and agile maneuvering when entering and exiting curves

Pending Publication Date: 2021-11-09
CHINA FIRST AUTOMOBILE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, none of the prior art relates to the strategy description when entering a curve (avoiding obstacles) and driving out of a curve (recovery route)

Method used

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  • Electric control rear wheel steering method, device, electronic equipment and storage medium
  • Electric control rear wheel steering method, device, electronic equipment and storage medium
  • Electric control rear wheel steering method, device, electronic equipment and storage medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] figure 1 A flow schematic of an electronically controlled rear wheel steering method provided by the embodiment of the present invention, the present embodiment can be adapted to determine the driving intent of the vehicle according to the acquired vehicle travel information, and control the rear wheel steering of the vehicle. The method can be performed by an electronically controlled rear wheel steering device, which can be implemented by hardware and / or software, which specifically includes the steps of:

[0059] S110, acquire vehicle travel information of the target vehicle.

[0060] Wherein, the vehicle travel information includes a steering wheel angle and a steering wheel speed. In the present embodiment, the steering wheel rotation speed and the steering wheel corner may be provided by the conventional steering device on the front axis of the target vehicle. Specifically, the steering wheel corner can be the corner information of the steering wheel of the target ...

Embodiment 2

[0078] figure 2 A flow diagram of a electronically controlled rear wheel steering method according to the second embodiment of the present invention, the present embodiment, on the basis of the above embodiment, optionally, the steering wheel-based rotation angle and the steering wheel speed, determined The target driving mode of the target vehicle, includes: aligning the steering wheel corner with a preset angle threshold; if the steering wheel corner is greater than the preset angle threshold, based on the direction and the steering wheel of the direction of the direction The direction of the rotational speed determines the target driving mode of the target vehicle.

[0079] The interpretation of the same or corresponding terms in the above embodiments will not be described herein. See figure 2 This embodiment provides the following steps:

[0080] S210, the vehicle travel information of the target vehicle, wherein the vehicle travel information includes a steering wheel angle ...

Embodiment 3

[0091] Figure 3A Schematic flow chart of the present invention of a method for a steering wheel according to a third electrically controlled embodiment, the above-described embodiments based on the embodiments, the present alternative embodiment, the method further comprising: each of the side corners mode based Found Found acceleration and lateral acceleration corresponding to each of the rear wheel rotation angle, rotation angle calculating scale factors of respective corners of the lateral acceleration corresponding Found; corresponding to acceleration for each based on the measured lateral acceleration and the respective lateral Found the scale factor angle corners, the corners construct map scale factor.

[0092] The interpretation of the same or corresponding terms in the above embodiments will not be described herein. See Figure 3A , The present embodiment provides electronic control of the rear-wheel steering method comprising the steps of:

[0093] S310, based on the cor...

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PUM

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Abstract

The embodiment of the invention discloses an electric control rear wheel steering method, a device, electronic equipment and a storage medium. According to the method, the target driving mode of the target vehicle is determined to be a turning-in mode or a turning-out mode through the obtained steering wheel rotating angle and steering wheel rotating speed of the target vehicle, so that the driving intention of the vehicle is recognized, and then when the target driving mode of the target vehicle is the turning-in mode, rear wheels of the target vehicle are controlled to steer reversely; according to the method, the vehicle is helped to quickly avoid obstacles when the vehicle is in emergency avoidance, and the rear wheels of the target vehicle are controlled to steer in the same direction when the target driving mode of the target vehicle is the bend-out mode, so that the vehicle is helped to quickly recover to the original route after avoiding the obstacles, and the rear wheel steering control of the vehicle entering the bend and driving out of the bend is realized; therefore, the vehicle can enter the curve and exit from the curve more flexibly, and the safety and driving experience of the vehicle are improved.

Description

Technical field [0001] Embodiments of the present invention relate to the technical field of vehicle, and more particularly to an electronically controlled rear wheel steering method, apparatus, electronic device, and storage medium. Background technique [0002] With the development of electronic technology, more and more luxury sports sedos have been equipped with an electronically controlled rear wheel steering system to facilitate drivers to change the direction of travel of the car according to the will. The general purpose is to enable the vehicle to be opposite to the back wheel corner, the rear wheel corner, the high speed, the rear wheel corner is in the same direction, and the flexibility and stability of the vehicle are improved. [0003] However, the prior art does not involve the strategy description of the entry into the curve (avoiding the obstacles) and the traveler (recovery route). Inventive content [0004] Embodiments of the present invention provide an elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W30/18B60W30/09B60W40/10B60W40/00
CPCB60W30/18145B60W30/09B60W40/10B60W40/00
Inventor 王念强单帅禹真余景龙陈磊贾跃李耀王仕伟陈志刚侯杰
Owner CHINA FIRST AUTOMOBILE
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