By the incorporation of frequency-shaping into the linear quadratic methods used in active suspension design it is possible to achieve improvements in both body frequency response and road-holding. The use of a PID filter for this purpose also leads to robustness of the system to disturbance forces. Zero steady-state deflections are achieved for applied body loads by the integral action with excellent attenuation of the transient response. The resulting system consists of a hydraulic actuator in parallel with a body spring of arbitrary stiffness and is optimal with equivalent full state feedback.


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    Title :

    Optimal Active Suspension Design Using a Frequency-shaping PID Filter


    Contributors:

    Published in:

    Vehicle System Dynamics ; 21 , 1 ; 19-37


    Publication date :

    1992-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown



    Optimal active suspension design using a frequency-shaping PID filter

    Thompson,A.G. / Davis,B.R. / Univ.of Adelaide,AU | Automotive engineering | 1992



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