Browsing by Author "7c032c21-4f94-45cc-b7e8-330456996d74"
Now showing items 1-5 of 5
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Nancel Penard, Pierre; Morales Varela, Nelson; Rojas Canales, Valentina; González Naranjo, Tomás (Taylor & Francis, 2020)Medium-term development planning of underground mines requires scheduling multiple activities to comply with long-term milestones, and to obtain a time span as short as possible. However, the planning must also respect the ...
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Jélvez, Enrique; Morales Varela, Nelson; Nancel Penard, Pierre; Cornillier, Fabien (Elsevier, 2020)In this work we address the Precedence Constrained Production Scheduling Problem (PCPSP), the problem of scheduling tasks in such a way that total profit is maximized, while satisfying conditions such as precedence constraints ...
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Jélvez, Enrique; Morales Varela, Nelson; Askari-Nasab, Hooman (Pergamon-Elsevier, 2020)The design of pushbacks is essential to long-term open pit mine scheduling because it partitions the pit space into individual units, controlling ore and waste production. In this paper, a new model is proposed for the ...
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Manríquez, Fabián; Pérez, Javier; Morales Varela, Nelson (Springer, 2020)Mine operations are supported by a short-term production schedule, which defines where and when mining activities are performed. However, deviations can be observed in this short-term production schedule because of several ...
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Maleki, Mohammad; Jélvez Montenegro, Enrique; Emery, Xavier; Morales Varela, Nelson (MDPI, 2020)Production planning decisions in the mining industry are affected by geological, geometallurgical, economic and operational information. However, the traditional approach to address this problem often relies on simplified ...