An approach to realizing process control for underground mining operations of mobile machines
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(Published version)
Date
2015
Authors
Song, Z.
Schunnesson, H.
Rinne, M.
Sturgul, J.
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Rao, Z.
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Journal article
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PLoS ONE, 2015; 10(6):e0129572-1-e0129572-17
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Zhen Song, Håkan Schunnesson, Mikael Rinne, John Sturgul
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Abstract
The excavation and production in underground mines are complicated processes which consist of many different operations. The process of underground mining is considerably constrained by the geometry and geology of the mine. The various mining operations are normally performed in series at each working face. The delay of a single operation will lead to a domino effect, thus delay the starting time for the next process and the completion time of the entire process. This paper presents a new approach to the process control for underground mining operations, e.g. drilling, bolting, mucking. This approach can estimate the working time and its probability for each operation more efficiently and objectively by improving the existing PERT (Program Evaluation and Review Technique) and CPM (Critical Path Method). If the delay of the critical operation (which is on a critical path) inevitably affects the productivity of mined ore, the approach can rapidly assign mucking machines new jobs to increase this amount at a maximum level by using a new mucking algorithm under external constraints.
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© 2015 Song et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited