Workload simulation and optimization in multi-criteria hybrid flowshop scheduling: a case study
Résumé
We study a real-life multiple objective flowshop scheduling problem in a cardboard company which differs from the conventional flowshop scheduling problem in several aspects, such as multi-machine stations, sequence-dependent setup times, work calendars on resources, reentrant flows, external operations, and transfer batches between stations. We present a simulation-based environment in which the production sequence can be interactively chosen by the user or found by a tabu-search based heuristic algorithm while a discrete-event simulation deals with the timing aspect.
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