An electric power steering apparatus may be employed to assist steering of a motor vehicle by conferring torque generated by an electric motor to a steering mechanism. The apparatus may include a steering controller that receives signals representative of vehicle velocity and torque applied to a steering wheel and a rotor position signal to derive a target motor torque, a motor controller that receives the target motor torque from the steering controller and transfers the target motor torque into target voltages expressed in a coordinate system fixed to a stator, and an inverter that transforms the target voltages into motor currents. The apparatus may further include a ripple compensation unit that compensates the target voltages for a (n−1)-th harmonic current by adding compensation voltages to the target voltages.


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    Titel :

    ELECTRIC POWER STEERING SYSTEM WITH RIPPLE COMPENSATION


    Weitere Titelangaben:

    ELEKTRISCHES SERVOLENKSYSTEM MIT RIPPLE-KOMPENSATION
    SYSTÈME DE DIRECTION ASSISTÉE ÉLECTRIQUE À COMPENSATION D'ONDULATION


    Beteiligte:
    BAKOS DEZSÖ (Autor:in)

    Erscheinungsdatum :

    2019-07-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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