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Horizon monitoring for longwall system

  • US 10,082,026 B2
  • Filed: 07/17/2017
  • Issued: 09/25/2018
  • Est. Priority Date: 08/28/2014
  • Status: Active Grant
First Claim
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1. A method of monitoring a longwall shearing mining machine in a longwall mining system, the shearing mining machine including a shearer having a first cutter drum and a second cutter drum, the method comprising:

  • receiving, by an electronic processor, shearer position data including information obtained from sensors regarding at least one of a group consisting of a position of the shearer, a position of the first cutter drum, and a position of the second cutter drum;

    identifying, by the electronic processor, from the shearer position data, profile data obtained over a current shear cycle;

    accessing, by the electronic processor, profile data obtained over a previous shear cycle;

    comparing, by the electronic processor, the profile data of the previous shear cycle to the profile data of the current shear cycle; and

    generating an alert based on the comparison between the profile data of the previous shear cycle and the profile data of the current shear cycle.

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