Drilling control arrangement

  • US 20040140112A1
  • Filed: 11/17/2003
  • Published: 07/22/2004
  • Est. Priority Date: 05/15/2001
  • Status: Active Grant
First Claim
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1. A method of controlling rock drilling, the method comprising:

  • drilling rock with a rock drilling apparatus comprising a carrier, a feeding beam, a rock drill movable with respect to the feeding beam, and a control unit for controlling the rock drilling, providing a memory of the control unit with default settings for drilling, measuring the operation of the apparatus during drilling, and adjusting the operating parameters of drilling to accomplish a desired control operation, providing the operating system of the control unit with at least two simultaneously active control modes with different control strategies, and each control mode determining at least one criterion to be measured during drilling, a threshold value for a measurement result, and at least one adjustable operating parameter, prioritising one control mode over the other modes, and calculating, based on the measurement results, control values for the operating parameters to be adjusted in the control unit in order to automatically control the drilling such that the control strategy of the prioritised control mode is weighted.

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