As a result of engineering research and development activities over the last decade there is a well established literature on the performance optimisation of active and semi-active automobile suspension systems. For a simple vehicle active suspension system complete optimality and zero steady state body displacements may be achieved if the axle and body accelerations, and other easily measured quantities, are included in the performance index. Apart from not requiring an observer, this also allows the optimal feedback gains to be determined for an arbitrary body spring rate. In a theoretical example, model parameters matching those of an experimental test rig are employed. The results of computer simulations, with and without an electrohydraulic servovalve and actuator, are compared to demonstrate the effects of inner loop gain force control. Aspects of the system behaviour including lockup are commented upon.


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    Title :

    Force control in electrohydraulic active suspensions


    Additional title:

    Kraftsteuerung in elektrohydraulischen aktiven Federungssystemen


    Contributors:

    Published in:

    Vehicle System Dynamics ; 25 , 3 ; 185-202


    Publication date :

    1996


    Size :

    18 Seiten, 9 Bilder, 9 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




    Force control in electrohydraulic active suspensions

    Thompson,A.G. / Chaplin,P.M. / Univ.of Adelaide,AU et al. | Automotive engineering | 1996


    Force Control in Electrohydraulic Active Suspensions

    Thompson, A.G. | Online Contents | 1996


    Force control in electrohydraulic active suspensions revisited

    Thompson, A.G. / Davis, B.R. | Tema Archive | 2001



    Technical Note: Force Control in Electrohydraulic Active Suspensions Revisited

    Thompson, A.G. / Davis, B.R. | Taylor & Francis Verlag | 2001