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Vehicle Ergonomics

Vehicle Ergonomics research deals with the physical interaction of motor-vehicle occupants with the vehicle interior during normal operating conditions. It includes studies to understand the effects of occupant body dimensions and vehicle interior design factors on driver and passenger posture, position, and perception of accommodation and comfort. Results of these studies are used to develop and upgrade industry practices and models for vehicle design, and to establish criteria for determining levels of occupant accommodation. The results have been used to design a new seating manikin for improved measurement and characterization of vehicle seats and interior package geometry. They have also been used in the development of a new seating accommodation model (SAM) that predicts the distribution of driver fore-aft positioning based on population stature and key vehicle package factors. The SAM has been applied to develop an improved procedure for positioning different size crash dummies in a manner that is representative of the occupant size represented by the ATD. Data from Biosciences\' studies of standard and in-vehicle anthropometry of children and adults are widely used in the design of new crash dummies, improved seating and restraint systems, and in numerous other product safety applications.

Recent Publications

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Quantifying cervical-spine curvature using bezier splines
Kathleen D. Klinich, Sheila M. Ebert, Matthew P. Reed

journal article IN: Journal of Biomechanical Engineering. Vol. 134, issue 11 (Nov. 2012).

Knowledge of the distributions of cervical-spine curvature is needed for computational studies of cervical-spine injury in motor-...

A pilot study of biomechanical factors affecting upper limb posture during grasping, holding, and placing cylindrical object
Wei Zhou, Thomas J. Armstrong, Diana M. Wegner, and Matthew P. Reed.

conference paper

A biomechanical analysis was performed to explain upper limb postures during grasping, holding, and placing cylindrical objects. This...

A study of the difference between nominal and actual hand forces in two-handed sagittal plane whole-body exertions
Suzanne G. Hoffman, Matthew P. Reed and Don B. Chaffin.

journal article IN: Ergonomics. Vol. 54, no. 1 (2011), p. 47-59.

Given a task posture, changes in hand force magnitude and direction with regard to joint locations result in variations in joint loads...

An eyellipse for rear seats with fixed seat back angles
Matthew Reed.

conference paper SAE 2011-01-0596

This paper describes the development of the fixed seat eyellipse in the October 2008 revision of SAE Recommended Practice J941. The eye...

Influence of object weight and terminal orientation on upper limb postures during grasping, holding, and placing cylindrical object
Wei Zhou, Thomas J. Armstrong, Diana M. Wegner, Matthew P. Reed.

conference paper IN: Proceedings of the Human Factors and Ergonomics Society ... Annual Meeting. Vol. 55, no. 1 (Sept. 2011), p. 963-967.

This study examines the effect of object weight and terminal orientation on upper limb postures during grasping, holding, and placing...