Dry-or-buy decision support for dry kiln scheduling in furniture production

Dry-or-buy decision support for dry kiln scheduling in furniture production

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Article ID: iaor20022271
Country: United States
Volume: 33
Issue: 2
Start Page Number: 131
End Page Number: 136
Publication Date: Feb 2001
Journal: IIE Transactions
Authors: , ,
Keywords: production, heuristics, programming: integer
Abstract:

In this paper, a dry-or-buy cost model for a dry kiln scheduling problem in the furniture manufacturing industry is considered. Factory-specified due-dates for jobs, kiln availability, kiln capacity, and drying and buying costs are incorporated into an Integer-Programming model. As it may be difficult (i.e., because of due-dates, kiln availability, processing times, etc.) to meet all the due-dates, certain jobs may have to be out-sourced. The objective of the model is to minimize the total drying and buying costs while satisfying all due-dates. Because of the computational complexity of the problem, a heuristic approach is developed. Computational experience indicates that the heuristic gives high quality solutions with significant savings in time over standard IP algorithms.

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