This paper investigates a new control system design for a semi-active suspension system using the sliding mode control theory. The controller adjusts the damping coefficients of vehicle suspension dampers to obtain good ride quality. The control algorithm needs information about suspension stroke displacement and its time derivative, and both these are estimated accurately by an observer from measured accelerations. Results of both computer simulation and vehicle tests on a sightseeing bus show a significant reduction in the power spectrum density of the vehicle's vertical acceleration response to random noise excitation in the range 1 to 5 Hz compared to that with a conventional fixed damper system, indicating that the sprung mass resonance peak has been eliminated.


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    Title :

    Sliding mode controller for semi-active suspension system for commercial vehicles


    Contributors:
    Isobe, O. (author) / Kawabe, T. (author) / Watanabe, Y. (author) / Miyasato, Y. (author) / Hanba, S. (author)


    Publication date :

    1996


    Size :

    10 Seiten, 8 Bilder, 1 Tabelle, 3 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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