This study established a novel vehicle–track coupled dynamics model (VTCDM) considering the disc brake system of a high-speed train (HST). The structure parameters of each friction block are applied to compute the non-linear friction forces and torques. This more elaborate model enables detailed investigations on the coupled mechanical system excited by the brake sliding friction, wheel-rail rolling friction and track irregularity. Further, it is validated by comparing with the experimental results from the aspects of time domain, frequency domain, Poincaré map and phase plane. Results indicate that the brake system substantially influences the vehicle–track system (VTS) and causes strong non-linear characteristics. Furthermore, this model can be used for tribological and dynamics-related assessment, like braking squeal and friction-induced vibration.


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    Titel :

    A novel vehicle-track coupled dynamics model with disc brake systems: modelling and validation


    Beteiligte:
    Wang, Zhiwei (Autor:in) / Mo, Jiliang (Autor:in) / Wang, Kaiyun (Autor:in) / Zhou, Zhongrong (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 62 , 4 ; 789-812


    Erscheinungsdatum :

    2024-04-02


    Format / Umfang :

    24 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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