A method for monitoring an electrically-powered torque machine configured to generate torque in a hybrid powertrain system includes monitoring signal outputs of a resolver configured to monitor rotational position of the torque machine. Upon detecting a fault warning state associated with the signal outputs of the resolver, a motor torque capacity of the torque machine is derated. Upon a clearing of the fault warning state, a torque ramp-up state to increase the motor torque capacity of the torque machine is executed. Notice of an incidence of a fault associated with the signal outputs of the resolver is provided only when the motor torque capacity fails to achieve a threshold motor torque capacity within a threshold recovery time period while executing the torque ramp-up state.


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    Titel :

    Method and apparatus for monitoring a resolver in a torque machine


    Beteiligte:
    WANG WEI D (Autor:in) / BAE BON HO (Autor:in) / DUNBAR LEAH (Autor:in) / HOULE KEVIN P (Autor:in) / CAWTHORNE WILLIAM R (Autor:in) / ZETTEL ANDREW M (Autor:in) / BUUR HANNE (Autor:in) / SCHULZ STEVEN E (Autor:in)

    Erscheinungsdatum :

    2017-02-14


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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