Vehicle stability control system is a new idea which can enhance the vehicle stability and handling in the emergency situation. This system requires the information of the yaw rate, sideslip angle and road friction in order to control the traction and braking forces at the induvidual wheels. This paper proposes an observer for the vehicle stability control system. This observer consisted of the state observer for vehicle motion estimation and the road condition estimator for the identification of the coefficient of the road friction. The state observer uses 2 degrees-of-freedom bicycle model and estimates the system variables based on the Kalman filter. The road condition estimator uses the same vehicle model and identifies the coefficient of the tire-road friction based on the recursive least square method. Both estimators make use of each other information. We show the effectiveness and feasibility of the proposed scheme under various road conditions through computer simulations of a fifteen degree-of-freedom non-linear vehicle model.


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    Titel :

    Vehicle states observer using adaptive tire-road friction estimator


    Weitere Titelangaben:

    Überwachung des Fahrzustandes von Kraftfahrzeugen durch adaptive Kontrolle der Reibung zwischen Reifen und Straße


    Beteiligte:
    Kwak, B. (Autor:in) / Park, Y. (Autor:in)


    Erscheinungsdatum :

    2001


    Format / Umfang :

    8 Seiten, 9 Bilder, 1 Tabelle, 9 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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