This paper discusses the importance of properly modeling steering system compliance and freeplay in open-loop, fixed control vehicle dynamics simulations. A compliant steering system model is developed that can include power assisted steering effects. A second-order system representation of steering system dynamics is included in the model. Overall steering system freeplay, which includes contributions from the steering gear, steering linkage, and wheel bearings, is then included to more accurately represent the steering system of an actual vehicle. The techniques used to measure the parameters for this model are also presented. The steering system model, implemented in a nonlinear, 13 degree-of-freedom vehicle dynamics simulation, is presented and the simulation predictions compared with experimentally measured vehicle responses.


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    Title :

    INCLUSION OF STEERING SYSTEM FREEPLAY IN OPEN-LOOP VEHICLE DYNAMIC SIMULATIONS


    Contributors:

    Published in:

    Vehicle System Dynamics ; 20 , sup1 ; 99-113


    Publication date :

    1992-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    Unknown



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