Solving Extended Hybrid-Flow-Shop Problems Using Active Schedule Generation and Genetic Algorithms

  • Authors:
  • Martin Kreutz;Detlef Hanke;Stefan Gehlen

  • Affiliations:
  • -;-;-

  • Venue:
  • PPSN VI Proceedings of the 6th International Conference on Parallel Problem Solving from Nature
  • Year:
  • 2000

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Abstract

We propose a hybrid approach for solving hybrid-flow-shop problems based on the combination of genetic algorithms and a modified Giffler & Thompson (G&T) algorithm. Several extensions of the hybrid-flow-shop are considered and discussed in the context of a real-world example. The genome in the GA encodes a choice of rules to be used to generate production schedules via the G&T algorithm. All constraints to the scheduling task are observed by the G&T algorithm. Therefore, it provides a well suited representation for the GA and leads to a decoupling of domain specific details and genetic optimization. The proposed method is apphed to the optimization of a batch annealing plant.