Interaction of the Hybrid III Femur and Pelvis - A Mechanical Analysis

Paper #:
  • 950664

Published:
  • 1995-02-01
Citation:
Berge, S. and Planath-Skogsmo, I., "Interaction of the Hybrid III Femur and Pelvis - A Mechanical Analysis," SAE Technical Paper 950664, 1995, https://doi.org/10.4271/950664.
Pages:
10
Abstract:
In air bag tests without a restraining seat belt (FMVSS208) several users of the Hybrid III dummy have reported a pelvic interference problem during the tests. An insufficient range of motion and a hard metal to metal contact between the pelvis and femur has lead to unexpected chest acceleration waveforms.The paper gives a mechanical analysis of this phenomenon, explaining how the forces acting on the dummy lead to a rotation of the pelvis and femur and how forces arise between the pelvis and the chest. Finally two sample tests where the pelvic interference problem has occurred are presented.
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