Joint optimization of quality and cost in brass casting using stochastic programming

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dc.contributor.authorSakalli, Umit Sami
dc.contributor.authorBirgoren, Burak
dc.date.accessioned2020-06-25T18:30:32Z
dc.date.available2020-06-25T18:30:32Z
dc.date.issued2019
dc.departmentKırıkkale Üniversitesi
dc.descriptionBirgoren, Burak/0000-0001-9045-6092
dc.description.abstractA critical process in brass casting is the blending of pure and scrap materials to satisfy specified metal ratios. The primary focus in such blending problems has always been cost minimization. The optimal blends produced by mathematical models use large amounts of scrap materials, which are cheaper but have high variations in ingredient ratios. This gives rise to quality problems. This study aims at joint optimization of cost and quality. A chance-constrained nonlinear mathematical model is developed for maximizing the minimum process capability level for a fixed cost. Then parametric programming is used to run the model for different costs to produce a Pareto-optimal frontier. An application to data from a brass factory showed that the frontier is highly nonlinear, enabling the decision maker to select a competitive process capability and cost value combination. The proposed approach is applicable to any blending problem in which ingredient amounts have statistical variation.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1080/0305215X.2019.1668933
dc.identifier.issn0305-215X
dc.identifier.issn1029-0273
dc.identifier.scopus2-s2.0-85074052823
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1080/0305215X.2019.1668933
dc.identifier.urihttps://hdl.handle.net/20.500.12587/7671
dc.identifier.wosWOS:000488498300001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherTaylor & Francis Ltden_US
dc.relation.ispartofEngineering Optimization
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectJoint optimizationen_US
dc.subjectstochastic programmingen_US
dc.subjectprocess capabilityen_US
dc.subjectbrass castingen_US
dc.subjectblending problemen_US
dc.titleJoint optimization of quality and cost in brass casting using stochastic programmingen_US
dc.typeArticle

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