Four-wheel-steering(4WS)systems have been studied and developed with remarkable success from the viewpoint of vehicle dynamics. Most of the control methods require a linearized bicycle model of the actual vehicle system which is however strongly influenced by tire nonlinearity. This paper proposes a new method to design the 4WS system taking into account the nonlinear characteristics of tires and suspensions. For this purpose integration of artificial neural network and linear control theory is introduced for the identification and control of a nonlinear vehicle model structured using a software for multi-body dynamic analysis (ADAMS). This model takes into account the nonlinear characteristics of actual vehicles with tires modeled by 'magic formula'. The results of computer simulations show that the proposed nonlinear approach is efficient in improving the handling and stability of vehicles.


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    Title :

    Nonlinear design approach to four-wheel-steering systems using neural networks


    Additional title:

    Nichtlineare Näherungsauslegung für Allrad-Lenkungssysteme mittels neuronaler Netze


    Contributors:
    Nagai, M. (author) / Ueda, E. (author) / Moran, A. (author)

    Published in:

    Vehicle System Dynamics ; 24 , 4/5, Special Issue AVEC 1994 ; 329-342


    Publication date :

    1995


    Size :

    14 Seiten, 13 Bilder, 2 Tabellen, 6 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





    Nonlinear Design Approach to Four-Wheel-Steering Systems Using Neural Networks

    Nagai, M. / Ueda, E. / Moran, A. et al. | British Library Conference Proceedings | 1995


    Nonlinear Design Approach to Four-Wheel-Steering Systems Using Neural Networks

    NAGAI, MASAO / UEDA, ETSUHIRO / MORAN, ANTONIO | Taylor & Francis Verlag | 1995


    Nonlinear design approach to four-wheel-steering systems using neural networks

    Nagai,M. / Ueda,E. / Moran,A. et al. | Automotive engineering | 1995


    Integration of Linear Systems and Neural Networks for the Design of Nonlinear Four-Wheel-Steering Systems [9438187]

    Nagai, M. / Ueda, E. / Moran, A. et al. | British Library Conference Proceedings | 1994