教師資料查詢 | 類別: 期刊論文 | 教師: 蔡宗儒 TZONG-RU TSAI (瀏覽個人網頁)

標題:Economic design of two-stage non-central chi-square charts for dependent variables
學年100
學期1
出版(發表)日期2011/11/01
作品名稱Economic design of two-stage non-central chi-square charts for dependent variables
作品名稱(其他語言)
著者Tsai, Tzong-ru; Chiang, Jyun-you; Chang, Shing-i
單位淡江大學統計學系
出版者Kidlington: Pergamon
著錄名稱、卷期、頁數Computers & Industrial Engineering 61(4), p.970-980
摘要Non-central chi-square charts are more effective than the joint View the MathML source and R charts in detecting small mean shifts or variance changes of a performance variable. However, the cost may be high to monitor a primary quality characteristic, such as the weight of each bag in a cement filling process. It is more economical to monitor a surrogate variable, for example, the milliampere of the load cell. When the correlation of the performance variable of surrogate variable exists, this article proposes a two-stage charting design to monitor either the performance variable or its surrogate variable in an alternating fashion rather than monitoring the performance variable alone. The proposed method simplifies process monitoring when users only concern about whether a process is in control or not. The application of the proposed method and the advantages of the proposed chart over the existing methods are presented through an example. Numerical results show that the proposed chart is insensitive on the correlation of the performance variable and surrogate variable even when the historical information on the correlation coefficient is not very accurate.
關鍵字Economic design;Markov chain approach;Non-central chi-square chart;Surrogate variable;Two-stage control charts
語言英文
ISSN0360-8352; 1879-0550
期刊性質國外
收錄於SCI;EI;
產學合作
通訊作者Chiang, Jyun-you
審稿制度
國別荷蘭
公開徵稿
出版型式,電子版,紙本
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