Apparatus and method for stability controlling vehicular attitude using vehicular braking system
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United States of America Patent
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Apr 13, 1999
Grant Date -
N/A
app pub date -
May 30, 1997
filing date -
May 31, 1996
priority date (Note) -
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Abstract
In apparatus and method for stability controlling a vehicular attitude for a vehicle, a slip angle (BETA) of a vehicle body to a vehicular forwarding direction is derived on the basis of a detected yaw rate, a derived vehicle body speed, and a detected lateral acceleration acted upon the vehicle body, a controller determines whether an oversteer condition occurs and/or determined whether an understeer condition occurs, and a braking liquid pressure from a control purpose liquid pressure source is supplied through one of two braking pressure distribution conduits so as to give a braking force to be applied to one of front left and right road wheels which is directed to suppress a yaw moment when the oversteer condition occurs. When the understeer condition occurs, the liquid pressure in the control purpose liquid pressure source is supplied to one of the two braking distribution conduits so as to give the braking force to be applied to one of the front left and right road wheels so as to develop the yaw moment.
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