Heuristic algorithms for the two-stage hybrid flowshop problem

Mohamed Haouari*, Rym M'Hallah

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

82 Citations (Scopus)

Abstract

A two-stage Hybrid Flowshop Problem (FSm1,m2) is a two-center shop with several parallel machines per center and n jobs to be processed on at most one machine per center. The objective consists of minimizing the maximum completion time. Two two-phase methods based on Simulated Annealing and Tabu Search are proposed. The results are compared with solutions provided by existing heuristics, and with a new derived lower bound. These comparisons show the superiority of the derived lower bound and the efficiency of the proposed heuristic. The Tabu search based heuristic yields the optimal solution for 35% of the problems. Its average relative error is 0.82%.

Original languageEnglish
Pages (from-to)43-53
Number of pages11
JournalOPERATIONS RESEARCH LETTERS
Volume21
Issue number1
DOIs
Publication statusPublished - Aug 1997

Keywords

  • Flowshop scheduling
  • Simulated annealing
  • Tabu search

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