Creating a Biofidelic Seating Surrogate

Paper #:
  • 1999-01-0627

Published:
  • 1999-03-01
Citation:
Adams, D., Morgan, G., Nghi, T., Salloum, M. et al., "Creating a Biofidelic Seating Surrogate," SAE Technical Paper 1999-01-0627, 1999, https://doi.org/10.4271/1999-01-0627.
Pages:
6
Abstract:
In order to more accurately simulate the load distributions and histories experienced by automotive seats in field use, more biofidelic motion and loading devices are needed. A new test dummy was developed by Lear Corporation and First Technology Safety Systems. This dummy uses exact skeletal geometry encased in a one-piece seamless mold with contours based on ASPECT data. A prototype was constructed and tested to demonstrate the efficacy of the concept. The skeleton and contour molds were created from CAD-generated rapid prototypes. The flesh was carefully formulated to have the mechanical properties of bulk muscular tissue in a state of moderate contraction, using data from the literature. This design allows much greater accuracy in reproducing human loads than was ever possible previously. The design has applications in durability, vibration and comfort testing.
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