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SIMULATION OF OPTIMAL CONTROL OF ROCK DRILLING PROCESS IN LABORATORY ENVIRONMENT
Abstract
Energetic theory of disintegration repres ents the starting point for the search for optimum of rock cutting, as it issues from the instantaneous advance rate of the indentor, specific cutting energy (am ount of energy used for cutting of a unit volume of rock) depending of applied thrust. Search for optimum on experimental drilling stand using the optimization met hods is impossible due to technological limitations (limited area for optimum search due to limited rock sample length, duration of experiment, possible damage of the drilli ng device in sudden changes of operational regime, etc.). Verification of optimization al gorithms using the computer simulations is one of the possibilities for solv ing of the presented problem. The simulations presented in the paper were performed using the mathematical software Matlab based on the experimental measurements from laboratory drilling stand.
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