The invention provides an anti-locking brake system and a control method, which are executed after a control module intervenes in a braking system of a vehicle; the control method comprises the following steps: receive a wheel speed signal and an acceleration signal of the vehicle; calculating a slip feedback value according to the wheel speed signal and the acceleration signal of the vehicle, and generating a basic control voltage according to a slip deviation value between a slip target value and the slip feedback value; carrying out differential compensation on the slip feedback value to generate a slip compensation value, and enabling the slip compensation value to correspond to a feed-forward voltage in a table look-up mode; adding the feed-forward voltage to the basic control voltage to generate a brake control voltage; and outputting the brake control voltage to a proportional valve brake, and adjusting a brake pressure by the proportional valve brake according to the size of the brake control voltage so as to reduce the wheel speed change when the ABS system intervenes during braking.
本发明提供了一种防锁死刹车系统及控制方法,于一控制模组在介入一车辆的刹车系统后执行,接收该车辆的一轮速信号与一加速度信号;根据该车辆的该轮速信号与该加速度信号计算一滑差回馈值,并根据一滑差目标值与该滑差回馈值之间的一滑差偏差值产生一基础控制电压;将该滑差回馈值进行微分补偿以产生一滑差补偿值,并以一查表方式将该滑差补偿值对应一前馈电压;将该基础控制电压加上该前馈电压以产生一刹车控制电压;以及将该刹车控制电压输出至一比例阀制动器,由该比例阀制动器根据该刹车控制电压的大小调整一刹车压力,以降低刹车时当ABS系统介入的车轮轮速变化。
Anti-locking brake system and control method
防锁死刹车系统及控制方法
2022-02-18
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |