Method and apparatus for vehicle rollover mitigation
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United States of America Patent
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Feb 22, 2011
Grant Date -
Nov 13, 2008
app pub date -
Mar 23, 2005
filing date -
Mar 23, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A method is provided for detecting a rollover event of a vehicle. A lateral kinetic energy of the vehicle is determined in response to vehicle longitudinal velocity and vehicle side slip angle. A lateral acceleration of the vehicle is measured. A tire normal force is measured. A rollover potentiality index is determined in response to the lateral kinetic energy and the lateral acceleration. A rollover index is determined by weighting the rollover potentiality index by a factor of the lateral acceleration and by a factor of the tire normal force. A comparison is made to determine if the rollover index is above a predetermined threshold.
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