 Determining Economic Manufacturing Quantity for an unreliable manufacturing system in discrete time settingB.C. Giri and T. Dohi International Journal of Operational Research, 2008, vol. 3, issue 5, 557-574 Abstract: The paper considers an Economic Manufacturing Quantity (EMQ) problem for a failure-prone manufacturing system in which the production facility may fail at most once during a production cycle. In a discrete time framework, we formulate the model under general-failure and -repair (corrective) time distributions based on the Net Present Value (NPV) approach. As a special case, the model with general failure and constant repair times is considered. The traditional long-run average cost model is obtained from the NPV model by taking limitation on the discount rate. The criteria for the existence of a local optimal solution are derived for the NPV as well as the long-run average cost models. With numerical examples, the optimal production policies are determined and sensitivity of some model-parameters are examined. A comparison of the outcome of the proposed model with the one obtained by time discretisation in the corresponding continuous time model is also made. Keywords: discrete failure distribution; repair time distribution; machine failure; machine repair; optimal production policy; economic manufacturing quantity; EMQ; unreliable manufacturing systems; net present value; NPV. (search for similar items in EconPapers) Downloads: (external link) Related works: Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text Persistent link: https://EconPapers.repec.org/RePEc:ids:ijores:v:3:y:2008:i:5:p:557-574 Access Statistics for this article More articles in International Journal of Operational Research from Inderscience Enterprises Ltd |
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