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BioRID P3-Design and Performance Compared to Hybrid III and Volunteers in Rear Impacts of ΔV=7 km/h
Technical Paper
99SC16
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Language:
English
Abstract
Several investigators have noted limitations of the most
commonly used dummy in rear impact testing, the Hybrid III. A dummy
for rear impact testing, the BioRID I, has previously been
presented. It was a step towards an effective tool for seat
performance testing, but it was concluded that its neck extension
and T1 upward motion were too small and that its user- friendliness
could be improved.
A new BioRID prototype has been developed. It has new neck
muscle substitutes with damping and elastic elements that are
independent of each other and fitted inside the torso. The new neck
muscle substitutes extend to T3 and thus also load the upper
thoracic spine. The new dummy has a softer thoracic spine and a
torso made of softer rubber than was used for the original
dummy.
The BioRID prototype''s performance was compared to that
of volunteers, the BioRID I and Hybrid III in rear impacts at
ΔV=7 km/h. The kinematics response of the new BioRID prototype
appears to be more human-like than that of the BioRID I and Hybrid
III. The dummy also provides repeatable test results and is more
user-friendly than the BioRID I.