A hybrid CP/MILP method for scheduling with energy costs

Alain Haït and Christian Artigues

European Journal of Industrial Engineering, 2011, vol. 5, issue 4, 471-489

Abstract: This paper deals with energy-related job scheduling for a foundry, in order to minimise the electricity bill. Accounting for energy and human resource constraints leads to better solutions in terms of cost and overall energy consumption. We propose a hybrid heuristic based on a two-step constraint/mathematical programming approach that improves significantly the computation time, compared to the full MILP model. [Recieved: 26 August 2009; Revised: 22 April 2010; Accepted: 13 June 2010]

Keywords: scheduling; energy costs; human resources; parallel machines; hybrid approach; electricity costs; energy consumption; constraint programming; mathematical programming. (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (2)

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