In this paper, a novel Electromechanical Brake actuator (EMB) is redesigned aimed at an electric vehicle driven by wheel hub motor. The two way ball screw is adopted in this mechanism. Clearance automatic adjustment and parking braking function is added in this mechanism. As a consequence, fast braking response is achieved and the wear difference of the inner and outer pads can be minimized and the initial braking force can also be improved. The electric vehicle is based on a traditional chassis. In this electric vehicle which driven by wheel hub motor, the brake disc and brake actuator will be correspondingly moved inside because wheel hub motor will take up inner space of wheel hub. As a result, the actuator might interfere with the suspension and steering systems and influence hard spot of chassis design. To solve this problem, conversely installed caliper concept is used in this paper. This proposal effectively solves the problem of limited installation space so that the inner space of brake disc can be effectively used and at the same time, the effective braking radius can be increased. Based on this novel Electromechanical Brake actuator, dynamic simulation is conducted to verify rationality of the structure.


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    Titel :

    Novel Electromechanical Brake Actuator Adopting the Two Way Ball Screw


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Zhuo, Guirong (Autor:in) / Zhang, Subin (Autor:in)

    Kongress:

    SAE Brake Colloquium & Exhibition - 33rd Annual ; 2015



    Erscheinungsdatum :

    27.09.2015




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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