A Novel CUSUM Median Control Chart

被引:0
|
作者
Yang, Ling [1 ]
Pai, Suzanne [1 ]
Wang, Yuh-Rau [2 ]
机构
[1] St Johns Univ, Dept Mkt & Logist Management, Taipei 251, Taiwan
[2] St Johns Univ, Dept Comp Sci & Informat Engn, Tamsui 251, Taiwan
关键词
control chart; cumulative sum; median; outliers; DESIGN;
D O I
暂无
中图分类号
TP301 [理论、方法];
学科分类号
081202 ;
摘要
This work presents a novel Cumulative Sum (CUSUM) median control chart. Based on experience, some processes occasionally have outliers. The mean control charts are sensitive to outliers, and the median control charts are outliers-resistant. In this paper, several mean control charts, the proposed CUSUM median control chart, and two median control charts are used for comparison. With various shifts of the process sample mean, the average run lengths of control charts are evaluated under some contaminated normal distributions. The simulation result reveals that the outlier-resistance of the CUSUM median chart performs best, and the shifts-detecting ability of the CUSUM median chart is similar to those of the EWMA median chart and the mean charts.
引用
收藏
页码:1707 / +
页数:2
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