A brake operation sensor detects a position of an input member. An angle sensor detects a position of a power piston. An ECU drives and controls an electric motor based on a relative position between the input member and the power piston. Then, the input member and the power piston are subjected to a mechanical limitation on a relative displacement therebetween due to abutment with each other at a step. The ECU advances/retracts the power piston independently of the movement of the input member, and determines the abutment state between the input member and the power piston under the mechanical limitation based on the detected relative position. Then, the ECU corrects the relative position between the input member and the power piston based on this determination to control the electric motor.


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    Titel :

    ELECTRIC BOOSTER


    Beteiligte:
    GOTO DAISUKE (Autor:in) / USUI TAKUYA (Autor:in)

    Erscheinungsdatum :

    2020-09-03


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF



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