Brake moan is mostly problematic with rear drive axle assemblies exhibiting as low frequency friction induced chassis vibration accompanied with uncomfortable noise level both inside and outside the vehicle compartment. In referencing to an on-going moan investigation, this paper presents an analytical modelling methodology in treating the moan mechanism. It is intended to be a tool for closing the loop from component design to the simulated system verification process, encompassing multi-body dynamics and finite element analysis, in order to understand the moan mechanism and potential solutions to eliminate it. Case studies are presented in utilising the proposed analytical tool with the focus on the interaction of subsystems, i.e. axle assembly and brake assembly, being coupled by the friction force, driving a mode coupling system response. Thus, design change based on dynamic characteristics at component level is not sufficient for moan prevention, but friction screening becomes evident as being most effective in preventing moan by identifying lining materials exhibiting just minor level changes of friction coefficients from the static to the dynamic phase.


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    Titel :

    On brake moan mechanism from the modeling perspective


    Weitere Titelangaben:

    Bremsgeräuscherzeugung aus der Modellsicht


    Beteiligte:
    Wang, A. (Autor:in) / Zhang, L. (Autor:in) / Jaber, N. (Autor:in) / Rieker, J. (Autor:in)


    Erscheinungsdatum :

    2003


    Format / Umfang :

    7 Seiten, 10 Bilder, 3 Tabellen, 5 Quellen




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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    On Brake Moan Mechanism from the Modeling Perspective

    Wang, Alex / Rieker, Joe / Zhang, Lixin et al. | SAE Technical Papers | 2003


    2003-01-0681 On Brake Moan Mechanism from the Modeling Perspective

    Wang, A. / Zhang, L. / Jaber, N. et al. | British Library Conference Proceedings | 2003


    Friction Induced Vibration: Brake Moan

    Joshi, Arun M. / Nack, Wayne V. | SAE Technical Papers | 1995


    Friction Induced Vibration: Brake Moan

    Nack, W. V. / Joshi, A. M. / Society of Automotive Engineers | British Library Conference Proceedings | 1995