Methods and device for determining the roll angle for occupant protection devices
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United States of America Patent
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May 22, 2012
Grant Date -
Apr 7, 2011
app pub date -
Sep 26, 2006
filing date -
Nov 2, 2005
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A method and device for determining a roll angle for occupant protection devices. Transverse acceleration and vertical acceleration of a vehicle are detected, and the roll angle of the vehicle is estimated on the basis of the detected lateral acceleration and the detected vertical acceleration, additional driving dynamics quantities, including a vehicle speed, a yaw angle and a float angle being determined, and centripetal acceleration being calculated from these driving dynamics quantities, formula, to improve the estimate of the roll angle.
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