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dc.contributor.authorKei, Jau-Chuanen_US
dc.contributor.authorWu, Chia-Huangen_US
dc.contributor.authorZhang, Zhe Georgeen_US
dc.date.accessioned2014-12-08T15:34:08Z-
dc.date.available2014-12-08T15:34:08Z-
dc.date.issued2013-12-01en_US
dc.identifier.issn1684-3703en_US
dc.identifier.urihttp://hdl.handle.net/11536/23454-
dc.description.abstractWe study a Markovian queueing system with unreliable servers and two possible groups of servers taking two different types of vacations. Once the number of idle of servers reaches one of the two critical numbers in the system, a group of servers will take a single synchronous vacation (or leave for doing a secondary job). After taking the vacation, the servers return to attend the queue (or stay idle for the next arriving customer). Therefore, there can be a maximum of two groups of servers taking two different types of vacations at a time (doing some secondary jobs). The servers are subject to failure when attending the queue. The stability condition for the system and the stationary performance measures are developed by using the matrix-analytical method. A cost model is constructed to determine the optimal vacation policy and the optimal service rate of each server. Some numerical results are presented to illustrate the optimization procedures.en_US
dc.language.isoen_USen_US
dc.subjectCost modelen_US
dc.subjectmultiple server groupsen_US
dc.subjectserver breakdownen_US
dc.subjectsynchronous single vacationen_US
dc.titleA Note on a Multi-server Queue with Vacations of Multiple Groups of Serversen_US
dc.typeArticleen_US
dc.identifier.journalQUALITY TECHNOLOGY AND QUANTITATIVE MANAGEMENTen_US
dc.citation.volume10en_US
dc.citation.issue4en_US
dc.citation.spage513en_US
dc.citation.epage525en_US
dc.contributor.department工業工程與管理學系zh_TW
dc.contributor.departmentDepartment of Industrial Engineering and Managementen_US
dc.identifier.wosnumberWOS:000327908100008-
dc.citation.woscount0-
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