The invention relates to the technical field of motor control, in particular to a vehicle motor control method and device, a vehicle and a storage medium, and the method comprises the steps: constructing a motor rotation speed sliding mode surface and a motor Q-axis current error sliding mode surface; calculating a current assembly sliding mode surface based on the motor rotation speed sliding mode surface and the motor Q-axis current error sliding mode surface, and determining an assembly sliding mode surface at a target moment according to the current assembly sliding mode surface, a preset mathematical model and a preset index reaching law; and calculating a reference current of a motor Q axis according to the assembly sliding mode surface at the target moment, and performing sliding mode control on the permanent magnet synchronous motor according to the reference current of the motor Q axis. Therefore, the problems of buffeting and the like of the sliding mode control algorithm in motor speed vector control of the automatic driving vehicle are solved, the robustness and the stability of the system are improved, and the method has relatively high practical value and application prospect.

    本申请涉及电机控制技术领域,特别涉及一种车辆电机的控制方法、装置、车辆及存储介质,其中,方法包括:构建电机转速滑模面和电机Q轴电流误差滑模面;基于电机转速滑模面和电机Q轴电流误差滑模面计算当前总成滑模面,并根据当前总成滑模面、预设的数学模型和预设的指数趋近律确定目标时刻的总成滑模面;根据目标时刻的总成滑模面计算电机Q轴的参考电流,并根据电机Q轴的参考电流对永磁同步电机进行滑模控制。由此,解决了自动驾驶车辆在电机速度矢量控制中,滑模控制算法存在的抖振等问题,提升了系统的鲁棒性和稳定性,具有较高的实用价值和应用前景。


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    Title :

    Vehicle motor control method and device, vehicle and storage medium


    Additional title:

    车辆电机的控制方法、装置、车辆及存储介质


    Contributors:
    LI BO (author) / LIU JINBO (author) / ZHANG JIAN (author) / WANG YU (author) / GAO YUAN (author) / WANG XINZHI (author)

    Publication date :

    2024-08-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / G05B Steuer- oder Regelsysteme allgemein , CONTROL OR REGULATING SYSTEMS IN GENERAL



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