The invention relates to a motor control method for a vehicle. The method includes: determining that a motor control unit (MCU) malfunctions; monitoring an output alternating current frequency of an electric motor; and controlling, based on the output alternating current frequency, the electric motor to switch between an active short circuit state and a safety pulse off state. The invention further relates to a motor control circuit for a vehicle, a motor drive system, and a vehicle.


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    Title :

    MOTOR CONTROL METHOD AND CIRCUIT FOR VEHICLE, MOTOR DRIVE SYSTEM, AND VEHICLE


    Additional title:

    MOTORSTEUERUNGSVERFAHREN UND -SCHALTUNG FÜR EIN FAHRZEUG, MOTORANTRIEBSSYSTEM UND FAHRZEUG
    PROCÉDÉ ET CIRCUIT DE COMMANDE DE MOTEUR POUR VÉHICULE, SYSTÈME D'ENTRAÎNEMENT DE MOTEUR ET VÉHICULE


    Contributors:
    MUSALIYARAKAM NAJID ALI (author) / SU XIEZU (author) / ZHANG FAN (author) / SHAN LIANG (author) / HONG WENCHENG (author)

    Publication date :

    2022-04-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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 / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen



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