The invention discloses a vehicle stability control method based on rear wheel active steering under a limit working condition, and belongs to the technical field of control. The vehicle stability control method based on rear wheel active steering under the limit working condition aims at effectively improving the operation stability of the electric vehicle under the extreme working condition. Themethod comprises the steps of building a high-fidelity vehicle model, designing a two-degree-of-freedom reference model, designing an MPC controller, calculating the torque of a lower-layer motor andconverting the rotation angle of a rear wheel. The method improves the precision of the prediction model, improves the control performance, guarantees the stability of the vehicle, and improves the stability of the vehicle.
一种极限工况下基于后轮主动转向的车辆稳定性控制方法,属于控制技术领域。本发明的目的是有效提高电动汽车在极限工况下操纵稳定性的极限工况下基于后轮主动转向的车辆稳定性控制方法。本发明步骤是:高保真车辆模型搭建,二自由度参考模型设计,MPC控制器的设计,下层电机转矩计算与后轮转角的转化。本发明提升了预测模型的精度,从而提高控制性能,保证车辆稳定,提高车辆的稳定性。
Vehicle stability control method based on rear wheel active steering under limit working condition
极限工况下基于后轮主动转向的车辆稳定性控制方法
2021-02-09
Patent
Electronic Resource
Chinese
Vehicle stability control method based on rear wheel steering
European Patent Office | 2021
|European Patent Office | 2023
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