A study of automotive seating comfort and related design factors was conducted, utilizing subjective techniques of seat comfort assessment and objective measures of the seat/subject interaction. Eight male subjects evaluated two luxury and two sport seats during a short-term seating session and throughout a three-hour driving simulation. For the latter, subjects operated a static laboratory driving simulator with an interactive road-scene display, performing body-area discomfort evaluations at thirty-minute intervals. Cross-modality matching (CMM), a subjective assessment technique in which a stimulus is rated by matching to the level of another stimulus, was used during the long-term driving simulation to evaluate discomfort. Subject posture, muscle activity in the lower back and abdomen, and pressure levels at key support locations on the seat were monitored. In addition, a sonic digitizing system was used to record seat indentation contours and to characterize the subjects' spinal contours.


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    Title :

    Investigation of Automotive Seating Discomfort and Seat Design Factors


    Contributors:
    M. P. Reed (author) / L. W. Schneider (author) / M. Saito (author) / Y. Kakishima (author) / N. S. Lee (author)

    Publication date :

    1991


    Size :

    185 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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