The invention discloses a driving motor rotating speed control system, a design method thereof and a new energy vehicle. The driving motor rotating speed control system comprises a load observer, a rotating speed regulator, a damping torque unit and a motor torque comprehensive unit; the load observer is used for acquiring an estimated load and an estimated rotating speed in real time; the rotating speed regulator is used for receiving the motor target rotating speed and the feedback rotating speed and calculating the rotating speed regulator output torque according to the motor target rotating speed and the feedback rotating speed; the damping torque unit is used for receiving the feedback rotating speed and calculating damping torque according to the feedback rotating speed; the motor torque integration unit is used for receiving the estimated load, the output torque of the rotating speed regulator and the damping torque, and calculating the target torque of the motor according to the estimated load, the output torque of the rotating speed regulator and the damping torque; wherein the feedback rotating speed comprises the estimated rotating speed or the operation rotating speed in the mechanical movement process of the driving motor. The anti-interference performance and robustness of driving motor rotating speed control in the vehicle gear shifting process are improved.
本发明公开了一种驱动电机转速控制系统及其设计方法、新能源车辆。驱动电机转速控制系统包括负载观测器、转速调节器、阻尼转矩单元、电机转矩综合单元;负载观测器用于实时获取估算负载和估算转速;转速调节器用于接收电机目标转速和反馈转速,并根据电机目标转速和反馈转速计算转速调节器输出扭矩;阻尼转矩单元用于接收反馈转速,并根据反馈转速计算阻尼转矩;电机转矩综合单元用于接收估算负载、转速调节器输出扭矩和阻尼转矩,并根据估算负载、转速调节器输出扭矩和阻尼转矩计算电机目标转矩;其中,反馈转速包括估算转速或驱动电机机械运动过程中的运行转速。以实现提高车辆换挡过程中驱动电机转速控制的抗干扰性和鲁棒性。
Driving motor rotating speed control system, design method thereof and new energy vehicle
一种驱动电机转速控制系统及其设计方法、新能源车辆
18.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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