Vehicle quality is strongly influenced by vehicle sensitivity to brake-induced vibration. When drivers can detect brake-induced vibration, it negatively impacts their satisfaction with a vehicle's performance and quality. The suspension is the primary chassis sub-system that transmits vibration from the brakes to the rest of vehicle. Since the suspension system is directly linked with the brake, tire/wheel assembly, sub-frame and steering system, its coupled vibration is very complicated. The current paper presents a study of chassis system vibration mode identification and a design strategy for reducing system sensitivity to brake-induced vibration. A system integration approach is used to derive an improvement strategy that can potentially make a vehicle more robust to the vibration caused by torque variation of the brakes. The approach links suspension, steering and sub-frame vibration characteristics, system identification techniques, kinematics modelling and robust design principles in a systematic fashion. The concept and method have been successfully demonstrated on a typical mid-size vehicle.


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    Title :

    System design improvement to eliminate brake-induced vehicle vibration


    Additional title:

    Fahrwerksentwurf mit Reduzierung der Bremsen-induzierten Fahrzeugschwingungen


    Contributors:
    Loh, W.Y. (author) / Weng, J. (author) / Basch, R. (author) / Zhu, W. (author) / Schuetzle, D. (author)


    Publication date :

    2002


    Size :

    14 Seiten, 10 Bilder, 5 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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