Vehicle crash simulator system for testing crash sensors

Details Vehicle crash simulator system for testing crash sensors Vehicle crash simulator system for testing crash sensors

1993-06-04

1994-09-06

Harvey, Jack B.

Boots, shoes, and leggings

36442405, 307 101, 340436, 340438, G06G 748, B60Q 1100, B60R 2100

Patent

active

053454022

ABSTRACT:
A system (10) for simulating vehicle crashes for testing or evaluating the reliability of a vehicle crash sensor (20) includes a model waveform generator (16) which utilizes a method of modeling an actual vehicle crash waveform to generate an infinite set of model crash waveforms, and subsequently inputs these sets of modeled crash waveforms into a thruster apparatus (12). The thruster apparatus (12) mechanically exerts a force onto the crash sensor (20) corresponding to each input model waveform. The crash sensor response is tracked and analyzed by a test analyzer (18). The model crash waveforms are generated by breaking down a predetermined crash waveform into a crash pulse (signal of interest) and multiplicative noise signal. The multiplicative noise signal is then statistically characterized as a function of time. Randomly variable waveforms from a white noise generator (128) are then modified with the statistical characterization and multiplied with the signal of interest to generate the infinite set of model crash waveforms.

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SAE Technical Paper Series, Pub. No. 920480, entitled "Automobile Crash Modeling and the Monte Carlo Method," by Michael A. Piskie and Tony Gioutsos.

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