An auxiliary power supply device includes a parasitic diode forming a parallel circuit together with a second switching element and connected in a forward direction to a main power supply, and a parasitic diode forming a parallel circuit together with a fourth switching element and connected in a reverse direction to an auxiliary power supply. When a state parameter indicates that a reaction force that interferes with operation of an assist motor is applied, an electronic control unit turns ON a first switching element, turns OFF the second switching element, turns ON a third switching element, and turns OFF the fourth switching element. A regenerative current from the assist motor flows to the auxiliary power supply via an inverter, the third switching element, and the parasitic diode.


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    Titel :

    AUXILIARY POWER SUPPLY DEVICE AND ELECTRIC POWER STEERING SYSTEM


    Beteiligte:
    SUZUKI SHINGO (Autor:in) / SATO FUMIHIKO (Autor:in)

    Erscheinungsdatum :

    2020-03-05


    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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