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하나의 관리도로 공정 평균과 분산의 변화를 탐지하는 절차Procedures for Monitoring the Process Mean and Variance with One Control Chart
- Issue Date
- 2008
- Publisher
- 한국통계학회
- Keywords
- Process control; GLR chart; EWMA chart; interval chart; average run length
- Citation
- 응용통계연구, v.21, no.3, pp 509 - 521
- Pages
- 13
- Journal Title
- 응용통계연구
- Volume
- 21
- Number
- 3
- Start Page
- 509
- End Page
- 521
- ISSN
- 1225-066X
- Abstract
- Two control charts are usually required to monitor both the process mean andvariance. In this paper, we introduce control procedures for jointly monitoring theprocess mean and variance with one control chart, and investigate efficiency of the introduced charts by comparing with the combined two EWMA charts. Our numerical results show that the GLR chart, the Omnibus EWMA chart, and the Interval chart have good ARL properties for simultaneous changes in the process mean and variance.
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