Method and apparatus for detecting an impact on a vehicle

Details Method and apparatus for detecting an impact on a vehicle Method and apparatus for detecting an impact on a vehicle

1997-08-28

1999-03-16

Elms, Richard T.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180282, 280735, 701 46, B60R 2132

Patent

active

058834427

ABSTRACT:
An apparatus for detecting an impact on a vehicle operates a restraint system by detecting an acceleration of the vehicle. A method for detecting an impact on the vehicle includes the steps of obtaining an acceleration value from an acceleration signal, detecting a signal peak of the acceleration value from the acceleration value, judging a peak time between a first peak time and a second peak time of the acceleration values, comparing the peak time with a predetermined time, adding weight to the acceleration value so as to reduce the acceleration value when the peak time is longer than the predetermined time, integrating after a weight added value and the acceleration value are multiplied for a predetermined time and operating a restraint system when an integrated value is larger than a predetermined value.

REFERENCES:
patent: 5185701 (1993-02-01), Blackburn et al.
patent: 5777225 (1998-07-01), Sada et al.

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