Production planning and scheduling of parallel continuous processes with product families

Document typeArticle
Defense date2011
PublisherAmerican Chemical Society (ACS)
Rights accessOpen Access
Abstract
The goal of this paper is the development of a mixed integer programming formulation for the production
planning and scheduling of parallel (single-stage) continuous processes in the presence of sequence-dependent
switchover times and costs for product families, and sequence-independent switchovers for products belonging
to the same family. Our formulation combines a discrete-time planning (big-bucket) grid with a continuoustime
treatment of the scheduling decisions within each period and across adjacent periods. At the production
planning level, it handles product orders at intermediate due dates and accounts for holding and backlog
costs. At the scheduling level, it accounts for equipment unit constraints, switchover times and costs,
maintenance activities, and idle production periods. The proposed model was motivated from and implemented
to a real-world production facility. It can effectively address industrial-scale planning-scheduling problems.
Importantly, it yields solutions that are considerably better than the solutions currently obtained using
commercial tools.
CitationKopanos, G.; Puigjaner, L.; Maravelias, C. Production planning and scheduling of parallel continuous processes with product families. "Industrial & engineering chemistry research", 2011, vol. 50, núm. 3, p. 1369-1378.
ISSN0888-5885
Publisher versionhttp://pubs.acs.org/doi/pdfplus/10.1021/ie100790t
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