A sensor fault detection method for detecting a fault of at least one sensor in a motor drive system includes performing a calculation (A) to determine a counter electromotive force error Ver relative to an αβ fixed coordinate system or a dq rotating coordinate system. The calculation (A) is performed based on currents Iα and Iβ on αβ axes in the αβ fixed coordinate system, reference voltages Vα* and Vβ* on the αβ axes, and an electrical angle θe of a rotor. The counter electromotive force error Ver represents a function of an error between an estimated phase angle ρs and a measured phase angle ρ based on sensor values to be measured by the sensors. The method also includes detecting the fault based on the counter electromotive force error Ver.


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    Titel :

    SENSOR FAULT DETECTION METHOD, MOTOR DRIVE SYSTEM, AND ELECTRIC POWER STEERING SYSTEM


    Beteiligte:
    GHADERI AHMAD (Autor:in)

    Erscheinungsdatum :

    05.09.2019


    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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