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Controlling a digging operation of an industrial machine

  • US 9,103,097 B2
  • Filed: 09/02/2014
  • Issued: 08/11/2015
  • Est. Priority Date: 04/29/2011
  • Status: Active Grant
First Claim
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1. An industrial machine comprising:

  • a dipper;

    a crowd drive configured to provide a control signal to a crowd actuator, the crowd actuator operable to provide a crowd force to the dipper to produce a crowd motion; and

    a controller connected to the crowd drive, the controller configured todetermine a hoist force acting on the dipper,determine a crowd force limit value based on the determined hoist force, the crowd force limit value being determined as a function of the determined hoist force, andset a crowd force limit for the crowd drive to the determined crowd force limit value.

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