Taking a domestic brand car as example, this paper is about how to find out a three-point nonlinear stiffness characteristic curve which can meet the requirements of variable stiffness and three-load condition.The new coil spring gives the passive suspension a lot of improvements in riding and safety, changing the nonlinear stiffness characteristic from weak to strong.This paper summarizes the optimization design method for the rear suspension coil spring, which includes the fitting of ideal stiffness characteristic curve, quantitative method for figuring out how the change of vehicle load influences the load on rear suspension axle, the design method of variable stiffness coil spring which corresponds to the change of vehicle load. A new kind of modified ideal point solution for building the objective function was also put forward.Using the kits Fminimax, Fmincon in Matlab as optimization tools, finally verify the validity of optimization result through the four post testing module in ADAMS/Car.


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    Titel :

    Research and Verification on Ideal Stiffness Characteristic Curve of Suspension Coil Springs


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Gao, Da-Wei (Autor:in) / Xu, Jun (Autor:in) / Zheng, Song-Lin (Autor:in) / Huang, Xing-Xing (Autor:in)

    Kongress:

    SAE 2015 World Congress & Exhibition ; 2015



    Erscheinungsdatum :

    14.04.2015




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Research and Verification on Ideal Stiffness Characteristic Curve of Suspension Coil Springs

    Gao, Da-Wei / Huang, Xing-Xing / Xu, Jun et al. | British Library Conference Proceedings | 2015



    Vehicle suspension using coil springs

    Turkish, M.C. | Engineering Index Backfile | 1958


    Vehicle suspension using coil springs

    Turkish, M.C. | Engineering Index Backfile | 1958


    Coil springs for parallelogram wheel suspension

    Kindler, A. | Engineering Index Backfile | 1934