Bi-objective parallel machine scheduling with additional resources during setups

Juan C. Yepes-Borrero, Federico Perea, Rubén Ruiz and Fulgencia Villa

European Journal of Operational Research, 2021, vol. 292, issue 2, 443-455

Abstract: We present a bi-objective parallel machine scheduling problem with machine and job sequence dependent setup times, with the additional consideration of resources needed during setups. The availability of such resources is limited. This models many practical situations where setup times imply, for example, cleaning and/or the reconfiguration of productive equipment. These setups are performed by personnel, who are of course limited in number. The objectives considered are the minimization of the makespan and the minimization of the number of resources. Fewer available resources reduce production costs but inevitably increase the makespan. On the contrary, a greater number of resources increase costs but allow for more setups to be done in parallel and a reduced makespan. An algorithm based on iterated greedy approaches is proposed to search for the Pareto front of the problem. This algorithm is compared with state-of-the art methods adapted to the problem. Computational experiments, supported by statistical analyses, indicate that the proposed approach outperforms all other tested procedures.

Keywords: Scheduling; Parallel machine; Sequence dependent setup times; Multicriteria optimization; Resources (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (7)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:292:y:2021:i:2:p:443-455

DOI: 10.1016/j.ejor.2020.10.052

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