Procedures for Monitoring the Process Mean and Variance with One Control Chart

被引：0
|
作者：
Jung, Sang Hyun [1 ]
Lee, Jaehoon [1 ]
机构：
[1] Chung Ang Univ, Dept Stat, Seoul 156756, South Korea
来源：
KOREAN JOURNAL OF APPLIED STATISTICS | 2008年 / 21卷 / 03期
关键词：
Process control; GLR chart; EWNIA chart; interval chart; average run length;
D O I：
暂无
中图分类号：
O21 [概率论与数理统计]; C8 [统计学];
学科分类号：
020208 ; 070103 ; 0714 ;
摘要：
Two control charts are usually required to monitor both the process mean and variance. In this paper. we introduce control procedures for jointly monitoring the process 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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页码：509 / 521
页数：13
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