In this paper, a road-adaptive LQG control for the semi-active Macpherson strut suspension system of hydraulic type is investigated. A new control-oriented model, which incorporates the rotational motion of the unsprung mass, is introduced. A semi-active suspension controller adapting to road variations is proposed. First, based on the extended least square estimation algorithm, a LQG controller adapting to the estimated road characteristics is designed. Through the computer simulations, the performance of the proposed semi-active suspension is compared with that of a non-adaptive one. The results show better control performance of the proposed system over the compared one.


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    Title :

    An adaptive LQG control for semi-active suspension systems


    Additional title:

    Linearquadratische Adaptivregelung für halbaktive Federungssysteme


    Contributors:
    Sohn, H.C. (author) / Hong, K.T. (author) / Hong, K.S. (author) / Yoo, W.S. (author)

    Published in:

    Publication date :

    2004


    Size :

    18 Seiten, 8 Bilder, 3 Tabellen, 13 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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