There are provided a motor control device, an electric power steering device, and a vehicle that allow an electric motor to be accurately drive-controlled even when a failure occurs in a motor electric angle detection unit that detects a motor electric angle. When at least one of a resolver (23a) and an angle computation unit (60) is diagnosed as being abnormal in an initial diagnosis after a system restart, a motor electric angle initial value (¸ms) is estimated on a basis of a response output of a three-phase electric motor (22) in response to input of a motor drive signal to the three-phase electric motor (22), a motor electric angle estimation vale (¸me) is calculated on a basis of an output shaft rotation angle (¸os) detected by an output-side rotation angle sensor (13c) and a relative offset amount (¸off) estimated on a basis of the estimated motor electric angle initial value (¸ms), and the three-phase electric motor is drive-controlled on a basis of the calculated motor electric angle estimation value (¸me).


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    Titel :

    MOTOR CONTROL DEVICE, ELECTRIC POWER STEERING DEVICE, AND VEHICLE


    Weitere Titelangaben:

    MOTORSTEUERUNGSVORRICHTUNG, ELEKTRISCHE SERVOLENKVORRICHTUNG UND FAHRZEUG
    DISPOSITIF DE COMMANDE DE MOTEUR, DISPOSITIF DE DIRECTION ASSISTÉE ÉLECTRIQUE, ET VÉHICULE


    Beteiligte:
    UKAI NOBUO (Autor:in)

    Erscheinungsdatum :

    24.07.2019


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02P CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS , Steuern oder Regeln von elektrischen Motoren, elektrischen Generatoren, dynamoelektrischen Umformern / B62D MOTOR VEHICLES , Motorfahrzeuge



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