The invention discloses a driving anti-slip control method and system for a pure electric driving vehicle, and the method comprises the steps: obtaining a vehicle wheel speed and a steering wheel angle at a current moment through a target limiting control layer, and determining a shaft speed limiting value of a driving shaft according to the vehicle wheel speed and the steering wheel angle; under the transient working condition of wheel slipping, the high-frequency control layer calculates the rotating speed limit value of the motor according to the shaft speed limit value of the driving shaft, calculates the torque limit value according to the rotating speed limit value of the motor and controls the output torque of the vehicle driving motor according to the torque limit value; and under the steady-state working condition of wheel slipping, the TCS in the low-frequency control layer ESP controls the output torque of a vehicle driving motor.
本发明公开了一种纯电驱动车辆驱动防滑控制方法及系统,包括:目标限制控制层获取当前时刻的车辆轮速和方向盘转角,并根据所述车辆轮速和方向盘转角确定驱动轴轴速限值;当处于车轮打滑的瞬态工况时,高频控制层根据所述驱动轴轴速限值计算电机转速限值,并根据所述电机转速限值计算扭矩限值,以及根据所述扭矩限值控制车辆驱动电机的输出扭矩;当处于车轮打滑的稳态工况时,低频控制层ESP中的TCS控制车辆驱动电机的输出扭矩。
Driving anti-skid control method and system for pure electric driving vehicle
一种纯电驱动车辆驱动防滑控制方法及系统
2022-10-25
Patent
Electronic Resource
Chinese
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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