Method and apparatus for sensing a vehicle crash using a velocit

Details Method and apparatus for sensing a vehicle crash using a velocit Method and apparatus for sensing a vehicle crash using a velocit

1994-09-23

1996-04-02

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180282, 280735, 340436, B60R 2132

Patent

active

055043798

ABSTRACT:
A vehicle crash sensing arrangement includes an accelerometer (28) and an integrator (36) for determining crash velocity in response to sensed crash acceleration. A second integrator (40) determines a crash displacement value from the crash velocity value. A variable velocity threshold value is determined (44) in response to the determined crash displacement value. The crash velocity value is compared (48) against the variable threshold value. The comparator (48) provides a signal indicative of a vehicle crash condition when the crash velocity value is greater than the velocity threshold value.

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