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The efficiency of the EWMA capability chart
Université de Nantes and IRCCyN.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Mathematical Science.
2007 (English)In: IEEE International Conference on Industrial Engineering and Engineering Management, 2007: IEEM 2007 ; 2 - 4 Dec. 2007, Singapore / [ed] Martin Helander, Piscataway, NJ: IEEE Communications Society, 2007, 1389-1393 p.Conference paper (Refereed)
Abstract [en]

In order to monitor unstable but capable processes Castagliola & Vännman have recently suggested a procedure based on an EWMA approach, called EWMA capability chart, for monitoring Vännman's Cp(u, v)-family of capability indices and showed how their proposed approach efficiently monitors capable processes by detecting a decrease or increase of the capability level. The goal of this paper is to investigate the efficiency of this capability chart by computing optimal EWMA parameters yielding the smallest possible ARL's. The method for computing the ARL is explained and a table summarizing optimal values for the EWMA parameters (λ*,K*) is given for the Cpk chart.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 2007. 1389-1393 p.
Research subject
Mathematical Statistics with special emphasis on Industrial Statistic
Identifiers
URN: urn:nbn:se:ltu:diva-39956DOI: 10.1109/IEEM.2007.4419420ScopusID: 40649127231Local ID: ee6d1a60-a8ca-11dc-9057-000ea68e967bISBN: 978-1-424-41528-1OAI: oai:DiVA.org:ltu-39956DiVA: diva2:1013476
Conference
IEEE International Conference on Industrial Engineering and Engineering Management : 02/12/2007 - 05/12/2007
Note
Godkänd; 2007; 20071212 (kerstinv)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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