Under conditions where the vehicle brakes at a certain acceleration until the vehicle speed drops to zero, which is common in daily driving, after the vehicle stops, the vehicle speed remains at zero and the acceleration will change from a certain non-zero value to zero. As a result, a large jerk (i.e. derivative of acceleration) is generated instantly, which seriously affects the ride comfort of passengers. For the above mentioned condition, this paper proposes a method to improve the braking comfort based on an integrated electro-hydraulic brake system. The proposed method includes target acceleration generation, target acceleration revise and acceleration tracking control. The target acceleration generation is used to generate an ideal target acceleration that can ensure the braking comfort based on mathematical analysis. Target acceleration revise is used to reduce the influence of acceleration tracking error on braking comfort control. Acceleration tracking control includes feedforward control and feedback control, which is used to track the target acceleration. Real vehicle tests show that the proposed method can significantly improve the ride comfort in braking.


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    Titel :

    A Control Method for Improving Ride Comfort in Braking


    Beteiligte:
    Shi, Biaofei (Autor:in) / Xiong, Lu (Autor:in) / Yu, Zhuoping (Autor:in)


    Erscheinungsdatum :

    2021-10-29


    Format / Umfang :

    3115791 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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