The invention discloses a braking system with combined function of drive-by-wire and power-assisted and with a manpower-magnification action. Functions such as electric braking power-assisting, active braking and regenerative braking can be achieved, control can be conducted on a motor, a hydraulic control unit and several magnetic valves according to the collected signal of a brake pedal displacement sensor and a master cylinder pressure sensor through an electronic control unit, and choice on each braking mode is realized. When the system works under the drive-by-wire mode, the motor is controlled by the brake pedal displacement sensor to push the master cylinder piston to output the brake pressure to a wheel cylinder, and a brake pedal and a friction brake are coupled completely at the moment; when the system works under the electric power-assisting mode, the pedal effort is input into a master cylinder back cavity after being amplified through a human-powered cylinder, a first piston of the master cylinder is pushed, at the same time, the motor output torque is controlled by the electronic control unit, the electronic control unit exerts assisting power on the first piston of the master cylinder, and the brake pressure is output to the wheel cylinder; when the system works under the active braking mode, the electronic control unit controls the motor output torque to make the main cylinder to output the brake pressure to the wheel cylinder.


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    Titel :

    Braking system with combined function of drive-by-wire and power-assisting and with manpower-magnification action


    Beteiligte:
    DENG WEIWEN (Autor:in) / GAO JI (Autor:in) / HE RUI (Autor:in) / WU JIAN (Autor:in) / LIU HAIZHEN (Autor:in)

    Erscheinungsdatum :

    2015-06-17


    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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