Method and apparatus for determining a reference vehicle velocity and a rear wheel speed in a vehicle having three speed sensors
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United States of America Patent
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Jul 8, 2014
Grant Date -
May 16, 2013
app pub date -
Dec 24, 2012
filing date -
Jun 29, 2004
priority date (Note) -
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Abstract
The method for controlling a safety system (102-108) of a vehicle (10) determines a reference velocity from a first front wheel sensor (20A) and a second front wheel speed signal from a second front wheel sensor (20B). An axle speed sensor (20C) may be used to determine an axle speed signal. A first rear speed signal and a second rear speed signal are determined from the reference velocity, a slip effect and a yaw signal. The yaw signal may be determined from a yaw rate sensor (28). Safety system (102-108) may be controlled in response to the first rear wheel speed signal and the second rear wheel speed signal.
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