To improve the ride comfort of wheel drive electric vehicle, a quarter dynamic model is established for vehicle active and passive suspension. Based on the response root mean square (RMS), the evaluation index of vehicle ride comfort is derived. According to the influence of uncertain parameters on system minimum RMS, the optimal vehicle parameters are determined. To avoid experience value of uncertain weight coefficient affecting the LQG control, analytic hierarchy process (AHP) is adopted to determine the weighting coefficient of vehicle performance evaluation index. And the LQG controller of vehicle active suspension is designed based on optimal control theory. Compared with the analysis results of passive suspension, the effectiveness of active control scheme is verified.


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    Titel :

    Vibration control of improved LQG for wheel drive electric vehicle based on uncertain parameters


    Beteiligte:
    Yu, Xueguang (Autor:in) / Liu, Xintian (Autor:in) / Wang, Xu (Autor:in) / Wang, Xiaolan (Autor:in) / Wang, Yansong (Autor:in)


    Erscheinungsdatum :

    2021-07-01


    Format / Umfang :

    12 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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