An effective heuristic for stockyard planning and machinery scheduling at a coal handling facility
Hanoun, Samer, Khan, Burhan, Johnstone, Michael, Nahavandi, Saeid and Creighton, Doug 2013, An effective heuristic for stockyard planning and machinery scheduling at a coal handling facility, in INDIN 2013 : Proceedings of the 2013 11th IEEE International Conference on Industrial Informatics, IEEE, Piscataway, N.J., pp. 206-211.
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Title
An effective heuristic for stockyard planning and machinery scheduling at a coal handling facility
IEEE International Conference on Industrial Informatics
Start page
206
End page
211
Total pages
6
Publisher
IEEE
Place of publication
Piscataway, N.J.
Summary
Coal handling is a complex process involving different correlated and highly dependent operations such as selecting appropriate product types, planning stockpiles, scheduling stacking and reclaiming activities and managing train loads. Planning these operations manually is time consuming and can result in non-optimized schedules as future impact of decisions may not be appropriately considered. This paper addresses the operational scheduling of the continuous coal handling problem with multiple conflicting objectives. As the problem is NP-hard in nature, an effective heuristic is presented for planning stockpiles and scheduling resources to minimize delays in production and the coal age in the stockyard. A model of stockyard operations within a coal mine is described and the problem is formulated as a Bi- Objective Optimization Problem (BOOP). The algorithm efficacy is demonstrated on different real-life data scenarios. Computational results show that the solution algorithm is effective and the coal throughput is substantially impacted by the conflicting objectives. Together, the model and the proposed heuristic, can act as a decision support system for the stockyard planner to explore the effects of alternative decisions, such as balancing age and volume of stockpiles, and minimizing conflicts due to stacker and reclaimer movements.
ISBN
9781479907519
Language
eng
Field of Research
091099 Manufacturing Engineering not elsewhere classified 010303 Optimisation
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