Occupant detection method and apparatus for air bag system

Details Occupant detection method and apparatus for air bag system Occupant detection method and apparatus for air bag system

1997-06-03

2000-01-04

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

701 46, 340436, 180271, 180273, 2807301, 280735, 307 91, B60R 2112, B60R 2132

Patent

active

06012007&

ABSTRACT:
Pressure sensors on the bottom surface of a seat cushion respond to occupant weight. A microprocessor evaluates the sensor outputs according to total force, load rating, long term average, sensor groups and a fuzzy measure to discriminate between large and small occupants and allow air bag deployment for large but not small occupants. Allow and inhibit decisions are filtered avoid sudden response to transient pressure changes on the seat. When a large occupant is positively detected, an allow decision is locked in place as long as total force exceeds a threshold.

REFERENCES:
patent: 5430649 (1995-07-01), Cashler et al.
patent: 5732375 (1998-03-01), Cashler

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