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Journal Article
A Time-varying Lot Sizes Approach for the Economic Lot Scheduling Problem with Returns
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- Authors
- Heechul Bae, Ilkyeong Moon, Wonyoung Yun
- Issue Date
- 2016-06
- Citation
- International Journal of Production Research, v.54, no.11, pp.3380-3396
- ISSN
- 0020-7543
- Publisher
- Taylor & Francis
- Language
- English
- Type
- Journal Article
- Abstract
- We consider the economic lot scheduling problem with returns by assuming that each item is returned by a constant rate of demand. The goal is to find production frequencies, production sequences, production times, as well as idle times for several items subject to returns at a single facility. We propose a heu ristic algorithm based on a time-varying (TV) lot sizes approach. The problem is decomposed into two distinct portions: in the first, we find a combinatorial part (production frequencies and sequences) and in the second, we determine a continuous part (production and idle times) in a specific production sequence. We report computational results that show that, in many cases, the proposed TV lot sizes approach with consideration of returns yields a relatively minor error.
- KSP Keywords
- Constant rate, Specific production, Time-varying lot sizes approach, computational results, economic lot scheduling problem