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dc.contributor.authorTalay, Işılay
dc.contributor.authorÖzdemir Akyıldırım, Öznur
dc.date.accessioned2020-03-20T10:26:36Z
dc.date.available2020-03-20T10:26:36Z
dc.date.issued2019
dc.identifier.citationTalay, I., & Özdemir Akyıldırım, Ö. (2019). Optimal procurement and production planning for multi-product multi-stage production under yield uncertainty. European Journal of Operational Research, 275(2), 536-551.en_US
dc.identifier.issn0377-2217
dc.identifier.urihttp://hdl.handle.net/20.500.12566/315
dc.description.abstractMany products with several types are produced in more than one production stage subject to various potential complications, yield uncertainty being a very costly one. This study investigates the input procurement and semi-processed item allocation decisions of a producer in a multi-product-type and two-stage production system subject to yield uncertainty. A make-to-order production environment with deterministic production leadtimes is considered. For the problem, a discrete stochastic optimization model with binomial yield at each production stage is proposed. Optimal solution is determined with a novel solution algorithm developed by showing the convexity of the problem. The model is applicable not only to production in industries such as chemical, electronic, and mechanical manufacturing, but also to process types such as transportation and remanufacturing. As result of a comprehensive sensitivity analysis, it is found that improving yield in a single stage may not be effective in ensuring cost savings, improvements in different stages should be considered together. More interestingly, higher demand does not always lead to higher production, in contrast it may even reduce production amounts under yield uncertainty.en_US
dc.description.sponsorshipNo sponsoren_US
dc.language.isoengen_US
dc.publisherEuropean Journal of Operational Researchen_US
dc.rightsinfo:eu-repo/semantics/restrictedAccessen_US
dc.subjectProductionen_US
dc.subjectManufacturing and logisticsen_US
dc.subjectProcurement and production planningen_US
dc.subjectMulti-product multi-stage productionen_US
dc.subjectYield uncertaintyen_US
dc.subjectÜretimtr_TR
dc.subjectÜretim ve lojistiktr_TR
dc.subjectTedarik ve üretim planlamasıtr_TR
dc.subjectÇok ürünlü çok aşamalı üretimtr_TR
dc.subjectGetiri belirsizliğitr_TR
dc.titleOptimal procurement and production planning for multi-product multi-stage production under yield uncertaintyen_US
dc.typeinfo:eu-repo/semantics/articleen_US
dc.relation.publicationcategoryInternational publicationen_US
dc.identifier.wosWOS:000458221000010
dc.identifier.scopus2-s2.0-85058577442
dc.identifier.volume275
dc.identifier.issue2
dc.identifier.startpage536
dc.identifier.endpage551
dc.contributor.orcid0000-0002-8956-9505 [Talay, Işılay]
dc.contributor.abuauthorTalay, Işılay
dc.contributor.yokid119457 [Talay, Işılay]
dc.contributor.ScopusAuthorID57205099769 [Talay, Işılay]
dc.identifier.doihttps://doi.org/10.1016/j.ejor.2018.11.069


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