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dc.contributor.authorKopanos, Georgios
dc.contributor.authorPuigjaner Corbella, Lluís
dc.contributor.authorGeorgiadis, Michael C.
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria Química
dc.identifier.citationKopanos, G.; Puigjaner, L.; Georgiadis, M. Optimal production scheduling and lot-sizing in diary plants: the yogurt production line. "Industrial & engineering chemistry research", 04 Desembre 2009, vol. 49, núm. 2, p. 701-718.
dc.description.abstractThe lot-sizing and production scheduling problem in a multiproduct yogurt production line of a real-life dairy plant is addressed in this work. A new mixed discrete/ continuous-time mixed-integer linear programming model, based on the definition of families of products, is proposed. The problem under question is mainly focused on the packaging stage, whereas timing and capacity constraints are imposed with respect to the pasteurization/homogenization and fermentation stage. Packaging units operate in parallel and share common resources. Sequence-dependent times and costs are explicitly taken into account and optimized by the proposed framework. Several scenarios for a large-scale dairy plant have been solved to optimality using the proposed model. Production bottlenecks are revealed, and several retrofit design options are proposed to enhance the production capacity and flexibility of the plant.
dc.format.extent18 p.
dc.publisherAmerican Chemical Society (ACS)
dc.subjectÀrees temàtiques de la UPC::Economia i organització d'empreses::Direcció d'operacions::Anàlisi de processos de negoci i de fabricació
dc.subjectÀrees temàtiques de la UPC::Enginyeria agroalimentària::Indústries agroalimentàries::Indústria de la llet
dc.subject.lcshYogurt industry
dc.titleOptimal production scheduling and lot-sizing in diary plants: the yogurt production line
dc.subject.lemacIogurt -- Indústria i comerç -- Models matemàtics
dc.contributor.groupUniversitat Politècnica de Catalunya. CEPIMA - Center for Process and Environment Engineering
dc.description.peerreviewedPeer Reviewed
dc.rights.accessRestricted access - publisher's policy
dc.description.versionPostprint (published version)
local.citation.authorKopanos, G.; Puigjaner, L.; Georgiadis, M.
local.citation.publicationNameIndustrial & engineering chemistry research

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