A motor control system for an electric vehicle is provided with: a battery; a motor having a rotor and a stator; two converter circuits connected to the stator and respectively controlling driving and regeneration of the motor; and a control device that controls the driving of the two converter circuits, the control device discharges from the battery by applying rotational torques in opposite directions to the rotor by respectively driving the two converter circuits, and performs a deterioration diagnosis process of the battery on the basis of an output current or an output voltage of the battery at the time of discharging.

    一种电动汽车的马达控制系统,具备:电池;马达,其具有转子和定子;两个转换器电路,其与定子连接且分别控制马达的驱动和再生;以及控制装置,其控制两个转换器电路的驱动,控制装置通过分别驱动两个转换器电路而对转子施加彼此相反方向的旋转扭矩,从而从电池放电,基于放电时的电池的输出电流或输出电压来执行电池的劣化诊断处理。


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    Title :

    Motor control system of electric automobile and electric automobile


    Additional title:

    电动汽车的马达控制系统和电动汽车


    Contributors:

    Publication date :

    2024-07-16


    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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