System and method for vehicle stability enhancement control during ABS operation
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United States of America Patent
Stats
-
Aug 20, 2002
Grant Date -
Jul 4, 2002
app pub date -
Jan 3, 2001
filing date -
Jan 3, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method of vehicle stability enhancement control during ABS operation, the method comprising the steps of determining whether ABS mode is active; determining whether VSE is required; calculating a target wheel speed for each wheel if ABS mode is active and VSE is required; calculating an adjusted wheel slip for each wheel by subtracting the wheel speed for each wheel from the target wheel speed for each wheel and dividing the difference by the target wheel speed for each wheel; and determining an ABS control mode for each wheel using the adjusted wheel slip. The method further provides the step of calculating the target wheel speed for each wheel, in which the step of calculating the target wheel speed for each wheel further comprises adding a VSE modification term for each wheel to the vehicle speed to calculate the target wheel speed.
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