Seat comfort is driven in part by the fit between the sitter and seat. Traditional anthropometric data provide little information about the size and shape of the torso that can be used for backrest design. This study introduces a methodology for using three-dimensional computer models of the human torso based on a statistical analysis of body shapes for conducting automated fit assessments. Surface scan data from 296 men and 417 women in a seated posture were analyzed to create a body shape model that can be adjusted to a range of statures, body shape, and postures spanning those typical of vehicle occupants. Finite-element models of two auto seat surface were created, along with custom software that generates body models and postures them in the seat. A simple simulation technique was developed to rapidly assess the fit of the torso relative to the seat back. The methodology developed in this study will enable automated virtual fitting trails considering a wide range of body sizes and shapes, allowing statistical evaluations of seat fit within a specific sitter population. Further refinement of the method will allow prediction of seat pressure distribution, which may be usefully related to subjective assessment of seat fit.


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    Titel :

    Development of a Methodology for Simulating Seat Back Interaction Using Realistic Body Contours


    Weitere Titelangaben:

    Sae International Journal of Passenger Cars. Mechanical Systems
    Sae Int. J. Passeng. Cars - Mech. Syst


    Beteiligte:
    Hu, Jingwen (Autor:in) / Reed, Matthew P. (Autor:in)

    Kongress:

    SAE 2013 World Congress & Exhibition ; 2013



    Erscheinungsdatum :

    2013-04-08


    Format / Umfang :

    6 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Development of human back contours for automobile seat design

    Frost,B.L. / Hubbard,R.P. / Boughner,R.L. et al. | Kraftfahrwesen | 1997


    Development of Human Back Contours for Automobile Seat Design

    Frost, B. L. / Hubbard, R. P. / Boughher, R. L. et al. | British Library Conference Proceedings | 1997


    Development of Human Back Contours for Automobile Seat Design

    Frost, Barry L. / Boughner, Robert L. / Hubbard, Robert P. | SAE Technical Papers | 1997