This paper presents the identification of the dynamic model for a power steering system constructed using a rotary valve. The steering system is divided into two subsystems: mechanical and hydraulic. Each subsystem is modeled separately. An experimental setup is designed and built to instrument the steering system. The parameters of the steering system are identified using experimental data. Several methods are proposed for model parameter estimation. The steering system is de-coupled for identification of parameters of each subsystem. The least square estimation method (LSE) is used to determine the parameters that are not directly measurable or are not measurable at steady state. The developed dynamic model is validated against experimental results.


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    Title :

    Identification of power steering system dynamic models


    Additional title:

    Identifikation des dynamischen Modells einer hydraulisch unterstützten Fahrzeuglenkung


    Contributors:
    Proca, A.B. (author) / Keyhani, A. (author)

    Published in:

    Mechatronics ; 8 , 3 ; 255-270


    Publication date :

    1998


    Size :

    16 Seiten, 11 Bilder, 2 Tabellen, 15 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English






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