The dynamic characteristics of seated humans were measured in a laboratory environment. The seat/occupant system was excited vertically with random vibration. Relevant transfer functions were computed using real time acceleration signals fed to a Fourier Analyzer. The transfer functions describe the seat response, the human response, and the combined response in the frequency range from 2 to 20 Hz. Of possible significance in ride quality studies are the natural modes of vibration which were identified; these include a 3.0 Hz “head-nod” mode, a 3.9 Hz seat vertical mode, a 5.6 Hz human response mode, and a seat “back-slap” mode occurring at 11 Hz.


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    Titel :

    The Dynamic Characteristics of Automobile Seats with Human Occupants


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:

    Kongress:

    1977 International Automotive Engineering Congress and Exposition ; 1977



    Erscheinungsdatum :

    01.02.1977




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    The dynamic charakteristics of automobile seats with human occupants

    Varterasian,J.H. / Thompson,R.R. / General Motors,Res.Lab.,US | Kraftfahrwesen | 1977


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