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U.S. Patent No. 7,856,303
Method of Determining Wheel Slippage and Engaging a Differential Lock in a Work Vehicle

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  • 7,856,303: Download Patent (.PDF)
  • 7856303
  • John Deere
  • 7,856,303:A method of determining wheel slippage in a work vehicle includes the steps of: sensing an absolute ground speed of the work vehicle; calculating a ground speed of the work vehicle using at least one drive train component; comparing the absolute ground speed with the calculated ground speed; generating a scaling factor based upon the comparison; and adjusting the calculated ground speed using the scaling factor. The method may also include the steps of scaling the absolute ground speed to a threshold value; comparing the calculated ground speed with the threshold value; and engaging a differential lock if the calculated ground speed is greater than the threshold value.
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