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Drive system having slip control

  • US 7,452,306 B2
  • Filed: 03/21/2005
  • Issued: 11/18/2008
  • Est. Priority Date: 03/21/2005
  • Status: Active Grant
First Claim
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1. A drive system for a machine, the drive system comprising:

  • at least one driven traction device;

    a transmission operatively connected to the at least one driven traction device and configured to drive the at least one driven traction device; and

    a controller configured to determine, before the at least one driven traction device is allowed to slip, a ground tractive capacity associated with the at least one driven traction device and to limit an amount of torque transmitted from the transmission to the at least one driven traction device when the amount of torque to be transmitted would exceed the ground tractive capacity absent any intervention, the controller being further configured to determine the ground tractive capacity as a function of a stored value that is indicative of a coefficient of friction between the at least one driven traction device and a ground surface.

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