This paper investigates the application of robust, nonlinear observation and control strategies, namely sliding mode observation and control (SMOC), to semiactive vehicle suspensions using a model reference approach. The vehicle suspension models include realistic nonlinearities in the spring and magnetorheological (MR) damper elements, and the nonlinear reference models incorporate skyhook damping. Since full state measurement is difficult to achieve in practice, a sliding mode observer (SMO) that requires only suspension deflection as a measured input is developed. The performance and robustness of sliding mode control (SMC), SMO, and SMOC are demonstrated through comprehensive computer simulations and compared to popular alternatives. The results of these simulations reveal the benefits of sliding mode observation and control for improved ride quality, and should be directly transferable to commercial semiactive vehicle suspension implementations.


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    Titel :

    Sliding mode observation and control for semiactive vehicle suspensions


    Beteiligte:
    Dixit, R.K. (Autor:in) / Buckner, G.D. (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 43 , 2 ; 83-105


    Erscheinungsdatum :

    2005


    Format / Umfang :

    23 Seiten, 39 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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