In an electric power steering system, an ECU 12 includes a rotation angle calculation unit 41, an assist torque command value calculation unit 42, a reference model 43, an angle deviation calculation unit 44, a PD control unit 45, an addition unit 47, and a plant observer 48. A proportional gain and a derivative gain which are used in the PD control unit 45 and a first gain and a second gain which are used in a first gain multiplication unit and a second gain multiplication unit of the plant observer 48 are set so that a characteristic equation corresponding to an equation of motion representing behavior of the electric power steering system has a double root.


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    Title :

    ELECTRIC POWER STEERING SYSTEM AND GAIN SETTING METHOD THEREOF


    Additional title:

    ELEKTRISCHE SERVOLENKUNG UND VERSTÄRKUNGSEINSTELLVERFAHREN DAFÜR
    SYSTÈME DE DIRECTION ASSISTÉE ÉLECTRIQUE ET SON PROCÉDÉ DE RÉGLAGE DE GAIN


    Contributors:

    Publication date :

    2019-04-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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