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ES-2 Back Plate/Seat Interaction. George Mouchahoir May, 2002. Back Plate/Seat Interaction. ES-2 Research Results.

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es 2 back plate seat interaction

ES-2 Back Plate/Seat Interaction

George MouchahoirMay, 2002

back plate seat interaction
Back Plate/Seat Interaction

ES-2 Research Results

  • Data for two out of seventeen vehicle models crash tested suggest back plate “grabbing” by intruding structure. Large back plate loads occurring early in time relative to the lower spine loads were observed.
  • Back plate loads and corresponding momentum contribution were low for the remaining fifteen vehicle models.
back plate seat interaction3

SID-H3 only contacts at ~T-1 location (stiff, upright posture)

  • ES-2 contact area is larger than SID-H3, but located high as well, indicating relatively stiff torso

50th% male volunteer



Back Pressure Maps With 40 lb. Frontal Force Applied

Back Plate/Seat Interaction

ES-2 Research Results

  • Seat back pressure map measurements indicate that corners of ES-2 torso back plate are areas of high pressure