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- Title
Monitoring of Time-Between-Events with a Generalized Group Runs Control Chart.
- Authors
Fang, Yen Yen; Khoo, Michael B. C.; Teh, Sin Yin; Xie, Min
- Abstract
Control charting methods for time between events (TBE) is important in both manufacturing and nonmanufacturing fields. With the aim to enhance the speed for detecting shifts in the mean TBE, this paper proposes a generalized group runs TBE chart to monitor the mean TBE of a homogenous Poisson failure process. The proposed chart combines a TBE subchart and a generalized group conforming run length subchart. The zero-state and steady-state performances of the proposed chart were evaluated by applying a Markov chain method. Overall, it is found that the proposed chart outperforms the existing TBE charts, such as the T, Tr, EWMA- T, Synth- Tr, and GR- Tr charts. Copyright © 2015 John Wiley & Sons, Ltd.
- Subjects
QUALITY control charts; MANUFACTURING industries; STANDARD deviations; ARITHMETIC mean; POISSON distribution
- Publication
Quality & Reliability Engineering International, 2016, Vol 32, Issue 3, p767
- ISSN
0748-8017
- Publication type
Article
- DOI
10.1002/qre.1789