Swarm-based neighbourhood search for fuzzy job shop scheduling

  • Authors:
  • You-/lian Zheng;Yuan-/xiang Li;De-/ming Lei

  • Affiliations:
  • State Key Laboratory of Software Engineering, Wuhan University, Wuhan 430072, China/ Faculty of Mathematics and Computer Science, Hubei University, Wuhan 430062, China.;State Key Laboratory of Software Engineering, Wuhan University, Wuhan 430072, China.;School of Automation, Wuhan University of Technology, Wuhan 430070, China

  • Venue:
  • International Journal of Innovative Computing and Applications
  • Year:
  • 2011

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Abstract

In this paper, fuzzy job shop scheduling problems are considered and an efficient swarm-based neighbourhood search (SNS) is proposed, in which an ordered operation-based representation and the decoding procedure are given. It is proved that most of possible actual completion times lie in the cut of fuzzy completion time for each job. In SNS, adaptive swap operation and binary tournament selection are applied to update swarm. SNS is compared with some methods from literature and computational results demonstrate that SNS has promising advantage on fuzzy scheduling.