The embodiment of the invention provides a vehicle motor shaking suppression method and device and a vehicle, and the method comprises the steps that vehicle speed information of the vehicle is obtained, motor parameters of a motor of the vehicle are obtained according to the vehicle speed information, and the motor parameters at least comprise the rotating speed difference and the output torque; the deformation quantity of a transmission system in the vehicle is obtained, and the extra rotating speed fluctuation quantity of the motor is obtained based on the deformation quantity; superposing the rotating speed difference and the extra rotating speed fluctuation quantity to obtain a target fluctuation variable quantity of the motor; carrying out filtering processing on the rotating speed fluctuation variable quantity, and extracting a target jitter quantity; and based on the target jitter amount, obtaining a target torque of the motor to suppress rotation speed jitter of the vehicle motor. The extra rotating speed fluctuation quantity is obtained based on the deformation quantity of the transmission system, and the shaking of the vehicle motor is suppressed by substituting the extra rotating speed fluctuation quantity into feedforward calculation.

    本申请实施例提供一种车辆电机抖动的抑制方法、装置及车辆,所述方法包括:获取车辆的车速信息,并根据车速信息获取车辆的电机的电机参数,电机参数至少包括转速差以及输出扭矩;获取车辆中传动系统的形变量,并基于形变量获得电机的额外转速波动量;将转速差与额外转速波动量进行叠加,获得电机的目标波动变化量;对转速波动变化量进行滤波处理,提取目标抖动量;基于目标抖动量,获得电机的目标扭矩,以抑制车辆电机的转速抖动。基于传动系统的形变量获得额外转速波动量,通过将额外转速波动量代入前馈计算,对车辆电机的抖动进行抑制。


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    Title :

    Vehicle motor shaking suppression method and device and vehicle


    Additional title:

    一种车辆电机抖动的抑制方法、装置及车辆


    Contributors:

    Publication date :

    2024-09-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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