Journal
EXPERT SYSTEMS WITH APPLICATIONS
Volume 38, Issue 5, Pages 5986-5999Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2010.11.022
Keywords
Permutation flow shop scheduling; Multiobjective optimization; Memetic algorithm; Makespan; Total flow time; NEH heuristic
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Funding
- National Science Council of Republic of China [NSC 98-2221-E-003-012, 97-3114-E-002-002]
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The permutation flow shop scheduling problem is addressed in this paper. Two objectives, minimization of makespan and total flow time, are considered. We propose a memetic algorithm, called NNMA, by integrating a general multiobjective evolutionary algorithm (NSGA-II) with a problem-specific heuristic (NEH). We take NEH as a local improving procedure in NNMA and propose several adaptations including the acceptance criterion and job-insertion ordering to deal with multiple objectives and to improve its performance. We test the performance of NNMA using 90 public problem instances with different problem scales, and compare its performance with 23 algorithms. The experimental results show that our NNMA provides close performance for 30 small-scale instances and better performance for 50 medium- and large-scale instances. Furthermore, more than 70% of the net set of non-dominated solutions is updated by NNMA for these 50 instances. (C) 2010 Elsevier Ltd. All rights reserved.
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