The present invention relates to an electromechanical motor vehicle power steering mechanism for assisting steering of a motor vehicle by conferring torque generated by an electric motor to a steering mechanism. A steering controller receives at least signals representative of the vehicle velocity and the torque applied to a steering wheel and a rotor position signal to determine a target motor torque, a motor controller which receives the target motor torque from the steering controller and transfers it into target voltages expressed in a coordinate system fixed to the stator and a motor driver which transforms the target voltages into motor currents, at least one current measurement unit which measures the motor currents, wherein the mechanism further comprises a current estimation unit which estimates the target currents and a diagnostic unit which compares the estimated target currents to the measured motor currents in order to identify and remedy occurring faults.


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    Titel :

    LIMP ASIDE STEERING ASSIST WITH ESTIMATED MOTOR CURRENT


    Beteiligte:
    SÓTI ÁDÁM (Autor:in) / ILLÉS FERENC (Autor:in)

    Erscheinungsdatum :

    23.03.2017


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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