In railway vehicles, excessive sliding or wheel locking can occur while braking because of a temporarily degraded adhesion between the wheel and the rail caused by the contaminated or wet surface of the rail. It can damage the wheel tread and affect the performance of the brake system and the safety of the railway vehicle. To safeguard the wheelset from these phenomena, almost all railway vehicles are equipped with wheel slide protection (WSP) systems. In this study, a new WSP algorithm is proposed. The features of the proposed algorithm are the use of the target sliding speed, the determination of a command for WSP valves using command maps, and compensation for the time delay in pneumatic brake systems using the Smith predictor. The proposed WSP algorithm was verified using experiments with a hardware-in-the-loop simulation system including the hardware of the pneumatic brake system.


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    Titel :

    Wheel slide protection control using a command map and Smith predictor for the pneumatic brake system of a railway vehicle


    Beteiligte:
    Lee, Nam-Jin (Autor:in) / Kang, Chul-Goo (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 54 , 10 ; 1491-1510


    Erscheinungsdatum :

    2016-10-02


    Format / Umfang :

    20 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch






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