The availability of multifunctional systems with multistate components

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dc.contributor.authorHouzouris, Adrienneen
dc.contributor.committeechairNachlas, Joel A.en
dc.contributor.committeememberTerrell, George R.en
dc.contributor.committeememberWoldstad, Jeffrey C.en
dc.contributor.departmentIndustrial and Systems Engineeringen
dc.date.accessioned2014-03-14T21:40:38Zen
dc.date.adate2009-07-21en
dc.date.available2014-03-14T21:40:38Zen
dc.date.issued1993-05-05en
dc.date.rdate2009-07-21en
dc.date.sdate2009-07-21en
dc.description.abstractReliability and availability measures are well defined for simple systems, but many real systems are not simple. Many systems are designed to perform more than one task. In addition, these systems may be performing at one of many levels. When these factors are not considered, the system availability analysis changes considerably. Many modern systems are designed to perform more than one function. Sols (1992) and Sols and Nachlas (1993) discuss the importance of multifunctional systems and the need to redefine availability to accommodate them. Furthermore, in most traditional reliability theory, components are assumed to be either functioning or failed which oversimplifies many physical situations. Multistate models have been developed in the literature, and conditions for the system structure function have been defined. Multifunctional systems and systems with multistate components have been discussed in the literature individually, however a model for systems with both multifunctional capability and potentially degraded components has not been discussed. By synthesizing the previous work on multistate systems and on multifunctional systems, this research presents a general model for multifunctional, multistate systems. The model is specialized to a general class of multifunctional, multistate systems. Expressions are derived for the element, function, and system availability. The availability for an example system is then computed.en
dc.description.degreeMaster of Scienceen
dc.format.extentvii, 87 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-07212009-040313en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07212009-040313/en
dc.identifier.urihttp://hdl.handle.net/10919/43779en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1993.H689.pdfen
dc.relation.isformatofOCLC# 28704589en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1993.H689en
dc.subject.lcshSystems engineering -- Mathematical modelsen
dc.titleThe availability of multifunctional systems with multistate componentsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineIndustrial and Systems Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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