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Method and apparatus for controlling slip

  • US 6,317,676 B1
  • Filed: 06/07/2000
  • Issued: 11/13/2001
  • Est. Priority Date: 06/07/2000
  • Status: Expired due to Term
First Claim
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1. An apparatus for controlling slip of a work machine having a ground-engaging traction device and a hitch operable to receive a ground-engaging implement, comprising:

  • a first sensor operable to transmit an actual velocity signal as a function of a velocity of the work machine;

    a second sensor operable to transmit an apparent velocity signal as a function of a velocity of the ground-engaging traction device;

    a desired slip transmitter operable to transmit a desired slip signal as a function of a desired slip of the work machine; and

    a control system coupled with the first and second sensors to receive the actual velocity signal and the apparent velocity signal, and coupled with the desired slip transmitter to receive the desired slip signal, the control system operable to determine an actual derivative of slip of the work machine as a function of the actual velocity signal and the apparent velocity signal, and further operable to transmit a control signal as a function of the desired slip signal, the actual velocity signal, the apparent velocity signal, and the actual derivative of slip, the control system operable to control the position of at least one of the hitch and the ground-engaging implement.

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