Flexible job shop scheduling using a multiobjective memetic algorithm

  • Authors:
  • Tsung-Che Chiang;Hsiao-Jou Lin

  • Affiliations:
  • Department of Computer Science and Information Engineering, National Taiwan Normal University, Taiwan, R.O.C.;Department of Computer Science and Information Engineering, National Taiwan Normal University, Taiwan, R.O.C.

  • Venue:
  • ICIC'11 Proceedings of the 7th international conference on Advanced Intelligent Computing Theories and Applications: with aspects of artificial intelligence
  • Year:
  • 2011

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Abstract

This paper addresses the flexible job shop scheduling problem with minimization of the makespan, maximum machine workload, and total machine workload as the objectives. A multiobjective memetic algorithm is proposed. It belongs to the integrated approach, which deals with the routing and sequencing sub-problems together. Dominance-based and aggregation-based fitness assignment methods are used in the parts of genetic algorithm and local search, respectively. The local search procedure follows the framework of variable neighborhood descent algorithm. The proposed algorithm is compared with three benchmark algorithms using fifteen classic problem instances. Its performance is better in terms of the number and quality of the obtained solutions.