期刊
APPLIED MATHEMATICAL MODELLING
卷 94, 期 -, 页码 285-305出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.apm.2021.01.017
关键词
Meta-heuristic algorithms; Salp swarm algorithm; Firefly algorithm; Unrelated parallel machine scheduling problem (UPMSP)
This paper proposes a modified salp swarm algorithm (SSAFA) to solve the unrelated parallel machine scheduling problem with sequence-dependent setup times. By using the operators of the firefly algorithm as a local search, the quality of the solution is improved. Evaluation outcomes confirm the competitive performance of SSAFA in various problem instances using different performance measures.
Unrelated parallel machine scheduling problem (UPMSP) with sequence-dependent setup times has received more attention due to its various industrial and scheduling applications. However, the UPMSP is considered an NP-hard problem, even without setup times. Moreover, the sequence-dependent setup times presents more complexity, which makes finding an optimal solution is very hard. In this paper, a modified salp swarm algorithm (SSA) based on the firefly algorithm (FA) is proposed to enhance the quality of the solution of UPMSP. The proposed approach, called SSAFA, uses the operators of FA to improve the exploitation ability of SSA by working as a local search. We evaluate the proposed SSAFA using both small and large problem instances. Furthermore, extensive comparisons to several existing metaheuristic methods used to solve UPMSP problems have been carried out. The evaluation outcomes confirmed the competitive performance of the proposed SSAFA in all problem instances, using different performance measures. ? 2021 Elsevier Inc. All rights reserved.
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