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Shewhart Control Charts for Monitoring Reliability with Weibull Lifetimes

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Faraz, Alireza Saniga, Erwin Heuchenne, Cédric [UCL]

In this paper, we present Shewhart-type Z and S2 control charts for monitoring individual or joint shifts in the scale and shape parameters of a Weibull distributed process. The advantage of this method is its ease of use and flexibility for the case where the process distribution is Weibull, although the method can be applied to any distribution. We illustrate the performance of our method through simulation and the application through the use of an actual data set. Our results indicate that Z and S2 control charts perform well in detecting shifts in the scale and shape parameters. We also provide a guide that would enable a user to interpret out-of-control signals.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2015
Language Anglais
Journal information "Quality and Reliability Engineering International" - Vol. 31, no. 8, p. 1565-1575 (2015)
Peer reviewed yes
Publisher JohnWiley & Sons Ltd. (Chichester)
issn 0748-8017
e-issn 1099-1638
Publication status Publié
Affiliation UCL - SSH/LIDAM/ISBA - Institut de Statistique, Biostatistique et Sciences Actuarielles
Keywords control charts ; reliability ; Weibull distribution
Links
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Bibliographic reference Faraz, Alireza ; Saniga, Erwin ; Heuchenne, Cédric. Shewhart Control Charts for Monitoring Reliability with Weibull Lifetimes. In: Quality and Reliability Engineering International, Vol. 31, no. 8, p. 1565-1575 (2015)
Permanent URL http://hdl.handle.net/2078.1/155337