This paper presents the development of a modal control strategy for the active steering of solid axle railway vehicles and reveals benefits of actively stabilizing the wheelsets of a railway vehicle. A modal decomposition is applied to a 2-axle railway vehicle to de-couple its body lateral and yaw motions and hence to allow more detailed analysis of the vehicle behaviour and more robust design of active controllers. Independent controllers for the two motions are developed based on the two de-coupled modes. Parameter variations such as creep coefficients and wheelset conicity are taken into account in the design process to guarantee a robust design. The study shows that, compared to a passive vehicle, the vehicles with actively steered wheelsets not only perform much better on a curved track, but also improve the ride quality on straight track. Computer simulations are used in the study to verify the development of the controllers and assess the system performance with the control scheme proposed.


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    Title :

    Modal controllers for active steering of railway vehicles with solid axle wheelsets


    Contributors:
    Mei, T.X. (author) / Goodall, R.M. (author)

    Published in:

    Vehicle System Dynamics ; 34 , 1 ; 25-41


    Publication date :

    2000


    Size :

    17 Seiten, 14 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





    Modal Controllers for Active Steering of Railway Vehicles with Solid Axle Wheelsets

    Mei, T.X. / Goodall, R.M. | Taylor & Francis Verlag | 2000


    Self-tuning control for active steering of a railway vehicle with solid-axle wheelsets

    Selamat, H. / Yusof, R. / Goodall, R.M. | Tema Archive | 2008



    Railway Wheelsets

    Wise, S | SAGE Publications | 1990