The invention discloses an electric vehicle electro-hydraulic composite braking torque ripple coordination control system and method. The system comprises a brake pedal, a brake pedal displacement sensor, a pressure sensor, a wheel speed sensor, a longitudinal acceleration sensor, a hub motor, a whole vehicle control unit, a brake force distribution control unit, a hydraulic brake control unit, a compensation control unit and a friction brake. The problem of torque fluctuation caused by electro-hydraulic composite braking is eliminated, the smoothness and stability of vehicle braking can be guaranteed, the braking feeling of a driver can be effectively improved, judgment of the driver on the braking performance under different braking working conditions is enhanced, and the vehicle braking safety is greatly improved.
本发明公开了一种电动汽车电液复合制动转矩波动协调控制系统及方法,包括:制动踏板、制动踏板位移传感器、压力传感器、轮速传感器、纵向加速度传感器、轮毂电机、整车控制单元、制动力分配控制单元、液压制动控制单元、补偿控制单元及摩擦制动器;本发明消除了电液复合制动造成的转矩波动问题,不仅可以保证汽车制动平顺性、稳定性,还可以有效增加驾驶员的制动感觉,增强驾驶员在不同制动工况下对制动性能的判断,极大地提高汽车制动安全性。
Electric vehicle electro-hydraulic composite braking torque ripple coordination control system and method
一种电动汽车电液复合制动转矩波动协调控制系统及方法
2022-01-21
Patent
Electronic Resource
Chinese
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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