Drilling control arrangement

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 44/00 (2006.01)

Patent

CA 2447088

A method and a control system for controlling rock drilling. A control unit (10) of a rock drilling apparatus is provided with one or more control modes (M1 - M4), each determining the drilling variables to be measured, their threshold values and the operating principles according to which the operating parameters of drilling are controlled to achieve a desired control criterion. According to a preferred embodiment of the invention, a user interface of the control system comprises a polygonal operating area (16) comprising in each corner (20) one control mode (M1 - M4). When the operating point in the operating area (16) has been selected, the control system calculates the distance from the operating point to each corner (20) and determines a coefficient for each control mode (M1 - M4) to be taken into account in determination of the drilling parameters.

L'invention concerne un procédé et un système de commande de forage de roches. Une unité (10) de commande de l'appareil de forage de roches comprend un ou plusieurs modes de commande (M1 - M4), déterminant chacun les variables de forage à mesurer, leurs valeurs seuil et les principes d'exploitation selon lesquels les paramètres d'exploitation de forage sont réglés afin d'atteindre un critère de commande désiré. Selon un mode de réalisation préféré de l'invention, une interface utilisateur du système de commande présente une zone d'exploitation polygonale (16) comprenant dans chaque coin (20) un mode de commande (M1 - M4). Lorsque le point d'exploitation de la zone (16) d'exploitation a été sélectionné, le système de commande calcule la distance du point d'exploitation à chaque coin (20) et détermine un coefficient pour chaque mode de commande (M1 - M4) à prendre en compte pour la détermination des paramètres de forage.

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