Modified block replacement models in discrete and continuous time

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buir.advisorAnisimov, Vladimir V.
dc.contributor.authorArun, Pelin
dc.date.accessioned2016-01-08T20:17:40Z
dc.date.available2016-01-08T20:17:40Z
dc.date.issued2000
dc.departmentDepartment of Industrial Engineeringen_US
dc.descriptionAnkara : The Department of Industrial Engineering and the Institute of Engineering and Sciences of Bilkent Univ., 2000.en_US
dc.descriptionThesis (Master's) -- Bilkent University, 2000.en_US
dc.descriptionIncludes bibliographical references leaves 73-75en_US
dc.description.abstractIn this study, we present modified multi-component block replacement policies. Units (items) are replaced only at prescribed times j = 1,2,... A failed unit is changed with a good one with probability a. Replacement time is negligible. Three replacement policies for models that are not represented as renewal processes are provided under this setup. Some reliability characteristics are discussed. In the first model, total control is considered. All units are controlled at time jT, j = 1,2,.... In the second model, a partial (group) control is studied in which a sample of size n, (0 < n < A) is taken from all units to inspect. And the last model deals with cyclic control: units are divided into r parties. Part}' k is controlled at time jT , j — 1,2,... where j = k (modulus r), k = l,2 ,...,r — 1 and if k is equal to zero then party r is controlled. A comparison between the partial (group) control and cyclic control is provided. We also introduced cyclic partial control which combines the partial and cyclic control policies. The cyclic partial control and cyclic control is compared as well. Cost type of functionals are considered and optimal replacement interval T* is studied as well.en_US
dc.description.degreeM.S.en_US
dc.description.statementofresponsibilityArun, Pelinen_US
dc.format.extentx, 75 leaves, illustrations, graphs, tablesen_US
dc.identifier.urihttp://hdl.handle.net/11693/18251
dc.language.isoEnglishen_US
dc.publisherBilkent Universityen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectReplacement Policiesen_US
dc.subjectCyclic Controlen_US
dc.subjectPartial Controlen_US
dc.subjectTotal Controlen_US
dc.subjectBlock Replacementen_US
dc.subject.lccTS181.6 .A78 2000en_US
dc.subject.lcshReplacement of industrial equipment--Mathematical models.en_US
dc.subject.lcshIndustrial equipment--Maintenance and repair--Mathematical models.en_US
dc.titleModified block replacement models in discrete and continuous timeen_US
dc.typeThesisen_US
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