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New multi-objective method to solve reentrant hybrid flow shop scheduling problem

Abstract : This paper focuses on the multi-objective resolution of a reentrant hybrid flow shop scheduling problem (RHFS). In our case the two objectives are: the maximization of the utilization rate of the bottleneck and the minimization of the maximum completion time. This problem is solved with a new multi-objective genetic algorithm called L-NSGA which uses the Lorenz dominance relationship. The results of L-NSGA are compared with NSGA2, SPEA2 and an exact method. A stochastic model of the system is proposed and used with a discrete event simulation module. A test protocol is applied to compare the four methods on various configurations of the problem. The comparison is established using two standard multi-objective metrics. The Lorenz dominance relationship provides a stronger selection than the Pareto dominance and gives better results than the latter. The computational tests show that L-NSGA provides better solutions than NSGA2 and SPEA2; moreover, its solutions are closer to the optimal front. The efficiency of our method is verified in an industrial field-experiment.
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Contributor : Jean-Baptiste VU VAN Connect in order to contact the contributor
Submitted on : Monday, May 18, 2020 - 9:43:13 AM
Last modification on : Sunday, June 26, 2022 - 1:40:33 AM





Frédéric Dugardin, Farouk Yalaoui, Lionel Amodeo. New multi-objective method to solve reentrant hybrid flow shop scheduling problem. European Journal of Operational Research, Elsevier, 2010, 203 (1), pp.22-31. ⟨10.1016/j.ejor.2009.06.031⟩. ⟨hal-02611073⟩



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