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dc.contributor.authorCosta, Antonio F. B.-
dc.identifier.citationJournal of Quality Technology, v. 29, n. 2, p. 197-204, 1997.-
dc.description.abstractRecent theoretical studies have shown that the X̄ chart with variable sampling intervals (VSI) and the X̄ chart with variable sample size (VSS) are quicker than the traditional X̄ chart in detecting shifts in the process. This article considers the X̄ chart with variable sample size and sampling intervals (VSSI). It is assumed that the amount of time the process remains in control has exponential distribution. The properties of the VSSI X̄ chart are obtained using Markov chains. The VSSI X̄ chart is even quicker than the VSI or VSS X̄ charts in detecting moderate shifts in the process.en
dc.subjectAverage Time to Signal-
dc.subjectControl Charts-
dc.subjectStatistical Process Control-
dc.subjectVariable Sample Size Control Charts-
dc.subjectVariable Sampling Interval Control Charts-
dc.subjectMarkov processes-
dc.subjectStatistical methods-
dc.subjectVariable sample size (VSS)-
dc.subjectVariable sampling intervals (VSI)-
dc.subjectProcess control-
dc.titleX̄ chart with variable sample size and sampling intervalsen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionDepartment of Production-
dc.description.affiliationUniversidade Estadual Paulista, 12500-000 Guaratingueta, S. P.-
dc.description.affiliationDepartment of Production Campus de Guarantinguetá-
dc.description.affiliationUnespUniversidade Estadual Paulista, 12500-000 Guaratingueta, S. P.-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofJournal of Quality Technology-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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