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System and method for measuring winch line pull

  • US 7,671,547 B2
  • Filed: 10/11/2006
  • Issued: 03/02/2010
  • Est. Priority Date: 10/05/2005
  • Status: Active Grant
First Claim
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1. A control system for determining a line pull of a winch, the control system comprising:

  • a first sensor configured to measure a torque generated by the winch to retract a cable;

    a second sensor configured to measure a number of layers of the cable retracted by the winch, wherein a layer of the cable is formed by a single wrap of the cable onto a container; and

    a monitoring circuit coupled to the first and second sensors, the monitoring circuit being configured to calculate the line pull of the winch based on the torque generated by the winch and the number of layers of the cable retracted onto the container.

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