BSR (Buzz, Squeak and Rattle) is one of the oldest concerns in automobiles which directly reflect the build, assembly and manufacturing quality of a vehicle. In a cabin all the areas where there is relative motion between two components, such as trims, instrument panel and seats, are prone to squeak. This paper explains the study of seat squeak measurement and diagnosis which is a major concern for one of the products which is already in the market. Since squeak is a friction induced non stationary phenomenon, lot of effort was required to generate squeak in both component as well as vehicle level. At component level, electrodynamic shaker was extensively used for generation of squeak signals. In Vehicle level, driving through different road patterns, pave track and forced excitation on four posters are performed for generation of squeak signals. In this paper usage of wavelet and Zwikker loudness are explained for the diagnosis of seat squeak to identify the problematic frequencies. Results in both pave track condition and in four poster excitation method are presented.


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    Titel :

    Seat Squeak Measurement and Diagnosis


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Kumar, N. Jaya (Autor:in) / Kumar, R. P. Senthil (Autor:in) / Nair, Sajith (Autor:in)

    Kongress:

    Symposium on International Automotive Technology 2013 ; 2013



    Erscheinungsdatum :

    2013-01-09




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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