System and method for controlling wheel spin and wheel slip on a machine having differentially driven wheels
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United States of America Patent
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Jul 21, 2015
Grant Date -
Jun 24, 2010
app pub date -
Nov 13, 2009
filing date -
Dec 22, 2008
priority date (Note) -
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Abstract
An electronic traction optimization system includes a control unit adapted to produce a corner speed estimate signal for each wheel of a machine, produce an ideal target speed signal for each wheel having a value at least partially responsive to the corner speed estimate signals, produces a practical target speed signal for each wheel, generates an actual target speed signal having a value responsive to a comparison of the ideal target speed signal and the practical target speed signal for each wheel. The control unit compares each actual target speed signal to an associated wheel speed signal to obtain a wheel speed error signal for each wheel and converts each wheel speed error signal to a clutch control signal, wherein each differential clutch actuator is responsive to an associated clutch control signal.
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