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.
Investigation of Automotive Seating Discomfort and Seat Design Factors
1991
185 pages
Report
No indication
English
Road Transportation , Human Factors Engineering , Seat design , Comfort , Human factors engineering , Automotive engineering , Pressure distribution , Seat loading , Front seat passengers , Rear seat passengers , Seat positioning , Seat tests , Occupant vehicle interface , Vehicle safety standards , Anatomy , Driver vehicle interface , Sitting(Body position) , Man machine systems
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