Evaluation of the SAE J826 3-D Manikin Measures of Driver Positioning and Posture

Paper #:
  • 941048

Published:
  • 1994-03-01
Citation:
Manary, M., Schneider, L., Flannagan, C., and Eby, B., "Evaluation of the SAE J826 3-D Manikin Measures of Driver Positioning and Posture," SAE Technical Paper 941048, 1994, https://doi.org/10.4271/941048.
Pages:
13
Abstract:
This study was initiated to evaluate the performance of the SAE J826 3-D manikin in seats that span a range of cushion firmness and contour levels. The manikin measures of H-point location, seatback angle, and seatpan angle (measured using a modified-manikin procedure) are compared with the human measures of hip-joint-center (HJC) location, torso angle, and thigh angle for forty drivers. The results indicate that the manikin H-point provides a reasonably consistent, though somewhat offset, measure of driver HJC location for the range of seats tested. This study found that seats with the same manikin-measured seatback angle produce different occupant torso angles. The data also suggest that for a given vehicle seat, the manikin-measured seatback angle can be used to predict the change in torso angle produced by adjusting the seatback inclination. The manikin-measured seatpan angles agree with mean driver thigh angles, but the data show an effect of stature on thigh angle that cannot be fully explained by the results of this investigation.
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