Vehicle traction control apparatus and method of traction control
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United States of America Patent
Stats
-
Apr 15, 2003
Grant Date -
Dec 27, 2001
app pub date -
Jun 22, 2001
filing date -
Jun 27, 2000
priority date (Note) -
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status (Latency Note)
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Abstract
A vehicle traction control apparatus and method where an amount of pressure change of braking pressure is based on the amount of acceleration slip and the wheel acceleration. When the traction control is being performed and the braking force is being increased, an upper limit pressure increase amount of braking pressure is based on the engine revolution speed, and the estimated braking pressure, so that the calculated value is smaller if the revolution speed or the estimated braking pressure is greater. The upper limit pressure increase amount of braking pressure is corrected so that it is greater if the speed reduction ratio of the transmission is smaller. If the amount of pressure change of requested braking pressure is excessively high, and the amount of increase in braking pressure needs to be limited, the amount of pressure change of braking pressure is limited to the corrected upper limit pressure increase amount.
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