Procurement policy of vulnerable parts with jointly distributed lifespan

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dc.contributorInternational FAIM Conference 24th : 2014 : San Antonio, Texas
dc.contributorUniversity of Texas at San Antonio. Center for Advanced Manufacturing and Lean Systems
dc.contributor.authorLi, Cun Rong
dc.contributor.authorSarker, Bhaba R.
dc.contributor.authorYi, Hui Zhi
dc.contributor.authorYu, Meng
dc.date.accessioned2022-07-11T17:35:32Z
dc.date.available2022-07-11T17:35:32Z
dc.date.issued2014
dc.descriptionPaper presented at the Proceedings of the 24th International Conference on Flexible Automation & Intelligent Manufacturing, held May 20-23, 2014 in San Antonio, Texas, and organized by the Center for Advanced Manufacturing and Lean Systems, University of Texas at San Antonio
dc.descriptionIncludes bibliographical references
dc.description.abstractVulnerable parts exist in most machines or equipment. Failure of those vulnerable parts may result in damage of the machine or the product, and may sometimes cause unnecessary down-time within a production cycle, all of which increases the production costs. Therefore, such failures should be minimized and the parts should be replaced at a point before the end of their expected lifespan, which usually follow some kind of distributions and can be known due to its mass usage attributes. On the other hand, too early replacement of the parts also means increased maintenance costs, increased inventory, and increased parts purchasing cost. This study developed a mathematical model to deal with the issue of determining the optimal stopping time of vulnerable tools. Under the preemption situation, a periodic procurement policy is investigated simultaneously to find the optimal order cycle and eventually minimize the total cost. A case study is given to show the feasibility of the model and several parameters are analyzed to show the impact on the total cost and decision variables.
dc.identifier.otherhttp://dx.doi.org/10.14809/faim.2014.0517
dc.identifier.urihttps://hdl.handle.net/20.500.12588/988
dc.language.isoen_US
dc.publisherDEStech Publications, Inc.
dc.relation.ispartofseriesProceedings of the 24th International Conference on Flexible Automation & Intelligent Manufacturing
dc.subjectMachine-tools--Maintenance and repair--Mathematical models
dc.subjectMachine parts--Failures
dc.subjectProduction planning
dc.subjectProduct life cycle
dc.titleProcurement policy of vulnerable parts with jointly distributed lifespan
dc.typeArticle

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