Flow shop scheduling and its extension to fuzzy processing times

  • Authors:
  • Miloš Šeda

  • Affiliations:
  • Institute of Automation and Computer Science, Brno University of Technology, Brno, Czech Republic

  • Venue:
  • FS'08 Proceedings of the 9th WSEAS International Conference on Fuzzy Systems
  • Year:
  • 2008

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Abstract

In this paper, two different approaches to permutation flow shop scheduling problem are investigated. The first one is based on a mixed integer programming model and is solved by an optimization package GAMS. As the problem belongs to NP-complete problems, this approach is limited to smaller instances, its reasonable bounds are indicated using benchmarks from OR-Library. For large instances, an approach using genetic algorithm is proposed including its appropriate parameter settings. Finally, a modification of the problem using uncertain processing times of jobs is presented.