System and method for characterizing the road bank for vehicle roll stability control
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United States of America Patent
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Aug 1, 2006
Grant Date -
Feb 12, 2004
app pub date -
Jun 30, 2003
filing date -
Aug 1, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A control system (18) for an automotive vehicle (10) having a vehicle body has a roll angular rate sensor (34) generating a roll angular rate signal corresponding to an roll angular motion of the vehicle body. A controller (26) is coupled to roll rate sensor and a plurality of sensors. The controller (26) generates a linear road bank angle, first reference bank angle and a relative roll angle in response to the roll angle generator and the plurality of sensor signals. The controller (26) determines a first reference bank angle and generates a second reference bank angle in response to linear bank angle and a first reference bank angle, a bank angle adjustment factor. The bank angle adjustment is a function of a relative roll angle estimate. The controller (26) controls the safety system in response to the second reference bank angle estimate.
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