Vehicle traction control system
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United States of America Patent
Stats
-
Dec 6, 1994
Grant Date -
N/A
app pub date -
Apr 6, 1993
filing date -
Apr 10, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a traction control system for a vehicle which controls the traction of the driven wheels according to the slip ratio of the driven wheels obtained as a relationship between the vehicle speed and the speed of the driven wheels, the vehicle speed is obtained from the speed of the non-driven wheels. Normally, the average value of the speeds of the non-driven wheels is used as the basis for computing the vehicle speed, but when one of the non-driven wheels is likely to be lifted from the road surface due to the turning maneuver of the vehicle, the speed of one of the non-driven wheels which is higher than that of the other non-driven wheel and is therefore likely to be in contact with the road surface is used for fining the vehicle speed. Thus, the vehicle speed is simply obtained from the speed of the non-driven wheels, but the traction control can be reliably carried out according to a correctly obtained vehicle speed.
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