Published 2021-03-30
Keywords
- Scheduling,
- Flow shop,
- Energy consumption,
- Sustainability
Copyright (c) 2023 International Journal of Industrial Engineering and Management
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Abstract
In this work, the flow shop scheduling problem with energy awareness is approached with lot-streaming strategies. Energy consumption is modeled within the objective function, together with the makespan, by means of a normalized and weighted sum. Thus, reducing energy consumption guides the optimization process. For lot streaming approaches mathematical models are provided and assessed. The results showed that lot-streaming is an efficient strategy to address this problem, allowing to improve both makespan and total energy consumption compared to the problem without lot-streaming. In turn, the selection of processing speeds for each sublot was incorporated, which improved the strategy yielding the best quality solutions.
Article history: Received (September 08, 2020); Revised (January 7, 2021); Accepted (January 11, 2021); Published online (February 03, 2021)