Article (Scientific journals)
A Synthetic median control chart for monitoring the process mean with measurement errors
Tran, Phuong Hanh; Tran, Kim Phuc; Athanasios, Rakitzis
2019In Quality and Reliability Engineering International, 35 (4), p. 1100-1116
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Keywords :
Markov chain, measurement errors, median, Synthetic chart
Abstract :
[en] Recent studies show that the Shewhart median chart is widely used for detecting shifts in a process, but it is often rather inefficient in detecting small or moderate process shifts. In order to overcome this problem, a Synthetic chart can be used. This chart outperforms the Shewhart‐type chart because it uses the information about the time interval between two consecutive nonconforming samples. In this paper, we propose and study the Phase II Synthetic median control chart. A Markov chain methodology is used to evaluate the statistical performance of the proposed chart. Moreover, its performance is investigated in the presence of measurement errors, which are modelled by a linear covariate error model. We provide the results of an extensive numerical analysis with several tables and figures in order to show the statistical performance of the investigated chart, for both cases of measurement errors and no measurement errors. Finally, an example illustrates the use of the Synthetic median chart. Citing Literature
Disciplines :
Quantitative methods in economics & management
Author, co-author :
Tran, Phuong Hanh  ;  Université de Liège - ULiège > HEC Recherche
Tran, Kim Phuc
Athanasios, Rakitzis
Language :
English
Title :
A Synthetic median control chart for monitoring the process mean with measurement errors
Publication date :
2019
Journal title :
Quality and Reliability Engineering International
ISSN :
0748-8017
eISSN :
1099-1638
Publisher :
John Wiley & Sons, Hoboken, United States - New Jersey
Volume :
35
Issue :
4
Pages :
1100-1116
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 13 June 2020

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