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dc.contributor.author | Aparisi García, Francisco José | es_ES |
dc.contributor.author | Epprecht, Eugenio K. | es_ES |
dc.contributor.author | Ruiz Rivero, Omar José | es_ES |
dc.date.accessioned | 2020-04-22T08:01:00Z | |
dc.date.available | 2020-04-22T08:01:00Z | |
dc.date.issued | 2012 | es_ES |
dc.identifier.issn | 0022-4065 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/141293 | |
dc.description.abstract | [EN] This paper proposes a new multivariate T2 control chart, termed the variable dimension T2 (VDT2) chart, in which the number of monitored quality characteristics is variable. When there are p related variables to be monitored, the approach is useful if there is a subset of p1 variables that are easy and/or inexpensive to measure, while the remaining variables are difficult and/or expensive to measure but provide additional useful information on whether the process mean has shifted. The VDT2 chart adaptively determines the number of variables to be monitored (either p1 or p) depending on the last value of the charted statistic. We provide Windows®-based software to optimize the parameters of the control chart using a Markov chain model to compute the performance measures and a genetic algorithm to conduct the optimization. The optimized VDT2 chart is quite powerful, and we demonstrate the somewhat surprising result that it detects mean shifts faster than a standard T2 chart for which all p variables are always measured, while also reducing sampling costs. | es_ES |
dc.description.sponsorship | This work has been supported by the Ministry of Education and Science of Spain, research project number DPI2009-09925, the CNPq (the Brazilian Council for Scientific and Technological Development), project numbers 302326/2008-1 and 473706/2010-5, and SENESCYT-Ecuador (National Secretary of Higher Education, Science, Technology and Innovation of Equador). The authors are grateful to the referees for their comments, which led to significant improvement of the paper, and especially to the Editor Daniel Apley for his valuable comments, careful revision, and also for giving us an explanation for the (apparently paradoxical) better performance of the VDT2 chart relative to the T2 chart on all variables. | es_ES |
dc.language | Inglés | es_ES |
dc.relation.ispartof | JOURNAL OF QUALITY TECHNOLOGY | es_ES |
dc.rights | Reserva de todos los derechos | es_ES |
dc.subject | Adaptive Control | es_ES |
dc.subject | Dimension | es_ES |
dc.subject | Multivariate | es_ES |
dc.subject | Optimization | es_ES |
dc.subject | Statistical-Process Control | es_ES |
dc.subject.classification | ESTADISTICA E INVESTIGACION OPERATIVA | es_ES |
dc.title | T2 Control Charts with Variable Dimension | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1080/00224065.2012.11917907 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/CNPq//302326%2F2008-1/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/CNPq//473706%2F2010-5/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MICINN//DPI2009-09925/ES/Desarrollo De Graficos De Control De Calidad Optimos Y Universales/ | es_ES |
dc.rights.accessRights | Cerrado | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto Universitario Mixto de Biología Molecular y Celular de Plantas - Institut Universitari Mixt de Biologia Molecular i Cel·lular de Plantes | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Estadística e Investigación Operativa Aplicadas y Calidad - Departament d'Estadística i Investigació Operativa Aplicades i Qualitat | es_ES |
dc.description.bibliographicCitation | Aparisi García, FJ.; Epprecht, EK.; Ruiz Rivero, OJ. (2012). T2 Control Charts with Variable Dimension. JOURNAL OF QUALITY TECHNOLOGY. 44(4):375-393. https://doi.org/10.1080/00224065.2012.11917907 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1080/00224065.2012.11917907 | es_ES |
dc.description.upvformatpinicio | 375 | es_ES |
dc.description.upvformatpfin | 393 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 44 | es_ES |
dc.description.issue | 4 | es_ES |
dc.relation.pasarela | S\238109 | es_ES |
dc.contributor.funder | Conselho Nacional de Desenvolvimento Científico e Tecnológico, Brasil | es_ES |
dc.contributor.funder | Secretaría de Educación Superior, Ciencia, Tecnología e Innovación, Ecuador | es_ES |
dc.contributor.funder | Ministerio de Ciencia e Innovación | es_ES |
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