Optimizing Lifetime Buy Quantities to Minimize Lifecycle Cost

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dc.contributor.advisorSandborn, Peteren_US
dc.contributor.authorFeng, Danen_US
dc.contributor.departmentMechanical Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2007-06-22T05:32:45Z
dc.date.available2007-06-22T05:32:45Z
dc.date.issued2007-04-19
dc.description.abstractMismatches between electronic part procurement lifecycles and the lifecycles of the products they are used in causes products with long manufacturing and/or support lives to suffer from significant obsolescence management costs. Lifetime buy is a prevalent mitigation approach employed for electronic part obsolescence management. Making lifetime purchases of parts upon obsolescence involves managing interacting influences and concurrent buys for multiple parts in a sequential manner. This thesis is focused on optimizing lifetime buy quantities by minimizing lifecycle cost. The Life of Type Evaluation (LOTE) tool was created to optimize lifetime buy quantities. LOTE requires component and system data and expected demand information. With the given data, LOTE uses stochastic analysis to determine the lifetime buy quantity per part that minimizes the lifecycle cost for the system. Results from a LOTE analysis of a Motorola communication system indicate that organizations may be systematically overbuying at lifetime buys giving inventory shortage penalties a greater emphasis than other hidden costs.en_US
dc.format.extent1379652 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/1903/6740
dc.language.isoen_US
dc.subject.pqcontrolledEngineering, Mechanicalen_US
dc.subject.pqcontrolledEngineering, Mechanicalen_US
dc.subject.pquncontrolledlifetime buyen_US
dc.subject.pquncontrolledlifecycle costen_US
dc.subject.pquncontrolledbridge buyen_US
dc.subject.pquncontrolledfinal orderen_US
dc.titleOptimizing Lifetime Buy Quantities to Minimize Lifecycle Costen_US
dc.typeThesisen_US

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