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dc.contributor.authorCosta, Antonio F. B. [UNESP]
dc.contributor.authorde Magalhaes, Maysa S.
dc.contributor.authorEpprecht, Eugenio K.
dc.date.accessioned2014-05-20T15:32:52Z
dc.date.available2014-05-20T15:32:52Z
dc.date.issued2009-01-01
dc.identifierhttp://dx.doi.org/10.1080/00207540802047098
dc.identifier.citationInternational Journal of Production Research. Abingdon: Taylor & Francis Ltd, v. 47, n. 18, p. 5067-5086, 2009.
dc.identifier.issn0020-7543
dc.identifier.urihttp://hdl.handle.net/11449/41660
dc.description.abstractIn this paper, we propose a synthetic control chart with two-stage testing (SyTS chart) to control the process mean and variance. As in the case of Shewhart control charts, samples are taken from the process at regular time intervals; however, testing is performed in two stages. During the first stage, one item of the sample is inspected; if its value is close to the target value of the process mean, then this terminates testing. Otherwise, the testing goes on to the second stage, where the remaining items are inspected and a non-central chi-square statistic is computed taking into account all items of the sample. When this statistic is larger than a specified value, the sample is classified as nonconforming. According to the synthetic procedure, the signal is based on the conforming run length (CRL). A comparative study shows that the SyTS chart and the joint (X) over bar and S charts with double sampling are very similar in performance. However, from a practical viewpoint, it is more convenient to monitor the process by looking at only one chart rather than looking at two charts separately. Comparisons with the joint (X) over bar and S charts and with several CUSUM schemes show that the SyTS chart has better overall performance.en
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.format.extent5067-5086
dc.language.isoeng
dc.publisherTaylor & Francis Ltd
dc.relation.ispartofInternational Journal of Production Research
dc.sourceWeb of Science
dc.subjectquality controlen
dc.subjectnon-central chi-square statisticen
dc.subjectsynthetic control charten
dc.subjecttwo-stage testingen
dc.subjectjoint monitoringen
dc.titleMonitoring the process mean and variance using a synthetic control chart with two-stage testingen
dc.typeArtigo
dcterms.licensehttp://journalauthors.tandf.co.uk/permissions/reusingOwnWork.asp
dcterms.rightsHolderTaylor & Francis Ltd
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionBrazilian Inst Geog & Stat
dc.contributor.institutionPontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)
dc.description.affiliationSão Paulo State Univ FEG UNESP, Fac Engn, Guaratingueta, Brazil
dc.description.affiliationBrazilian Inst Geog & Stat, Natl Sch Stat Sci, Rio de Janeiro, Brazil
dc.description.affiliationPontificia Univ Catolica Rio de Janeiro, Dept Ind Engn, Rio de Janeiro, Brazil
dc.description.affiliationUnespSão Paulo State Univ FEG UNESP, Fac Engn, Guaratingueta, Brazil
dc.identifier.doi10.1080/00207540802047098
dc.identifier.wosWOS:000272946800006
dc.rights.accessRightsAcesso restrito
unesp.author.lattes6100382011052492[1]
unesp.author.orcid0000-0003-2133-1098[1]
dc.relation.ispartofjcr2.623
dc.relation.ispartofsjr1,432
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