Metaheuristics for Solving a Hybrid Flexible Flowshop Problem with Sequence-Dependent Setup Times

نویسندگان

  • Aymen Sioud
  • Caroline Gagné
  • Marc Gravel
چکیده

In this paper, we propose three new metaheuristic implementations to address the problem of minimizing the makespan in a hybrid flexible flowshop with sequence-dependent setup times. The first metaheuristic is a genetic algorithm (GA) embedding two new crossover operators, and the second is an ant colony optimization (ACO) algorithm which incorporates a transition rule featuring lookahead information and past information based on archive concepts such as the multiobjective evolutionary computation. The third metaheuristic is a hybridization (HGA) of the GA and the ACO algorithms. Numerical experiments were performed to compare the performance of the proposed algorithms on different benchmarks from the literature. The algorithms are compared with the best algorithms from the literature. The results indicate that our algorithms generate better solutions than those of the known reference

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تاریخ انتشار 2014