The bandwidth of the body response to a road input in an active suspension may be considerably reduced if the axle motions are independently controlled and if, at the same time, the effects of static and dynamic loads are counteracted by integral action in the body force control system. The paper presents a further application of the Ferguson-Rekasius method, leading to optimal output control with incomplete state feedback. To achieve narrow bandwidth body response the support springs are replaced by hydraulic actuators, and vibration absorbers or active wheel dampers are employed for the control of the axle motions. Active wheel damping is the more effective and gives good results. Proportional-plus-integral control action is shown to reduce the transient body displacements due to external forces.


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    Titel :

    Optimal Linear Active Suspensions with Vibration Absorbers and Integral Output Feedback Control


    Beteiligte:
    THOMPSON, A. G. (Autor:in) / DAVIS, B. R. (Autor:in)

    Erschienen in:

    Vehicle System Dynamics ; 18 , 6 ; 321-344


    Erscheinungsdatum :

    01.01.1989




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Unbekannt



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