The invention provides a vehicle auxiliary steering control system and method, and relates to the technical field of vehicles. The system specifically comprises a state detection module, a control module, and an electronic parking brake module; the state detection module is used for detecting a vehicle to obtain a whole vehicle state signal; the control module is used for receiving an auxiliary steering instruction and generating an auxiliary steering activation signal when the whole vehicle state signal meets the condition for auxiliary steering activation; the electronic parking brake modulecomprises a first processing unit, a second processing unit, and a third processing unit; the first processing unit is used for processing and obtaining steering data and driving data based on the whole vehicle state signal; the second processing unit is used for identifying a rear wheel on the turning inner side according to the steering data and the driving data and calculating to obtain a real-time vehicle speed and a real-time slip rate of the rear wheel on the turning inner side; and the third processing unit is used for controlling an execution module to continuously adjust rear wheel on the turning inner side according to the real-time vehicle speed and the real-time slip rate. The execution module is controlled by the electronic parking brake module to continuously adjust the rearwheel on the turning inner side so as to maintain parking force borne by the rear wheel on the turning inner side to be always maximum, and the turning radius is reduced to the maximum extent.

    本发明提供一种车辆辅助转向控制系统及方法,涉及车辆技术领域,具体包括:状态检测模块,用于检测车辆得到整车状态信号;控制模块,用于接收辅助转向指令并在整车状态信号满足辅助转向激活条件时生成一辅助转向激活信号;电子驻车制动模块,包括:第一处理单元,用于根据整车状态信号处理得到转向数据及运行数据;第二处理单元,用于根据转向数据和运行数据识别转弯内侧后轮,并计算得到实时车速和转弯内侧后轮的实时滑移率;第三处理单元,用于根据实时车速和实时滑移率控制执行模块持续调整转弯内侧后轮。本发明通过电子驻车制动模块控制执行模块持续调整转弯内侧后轮以维持转弯内侧后轮承受的驻车力始终最大,实现最大程度降低转弯半径。


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    Title :

    Vehicle auxiliary steering control system and method


    Additional title:

    一种车辆辅助转向控制系统及方法


    Contributors:

    Publication date :

    2020-12-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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