Economic Design of Xbar Control Charts with Continuously Variable Sampling Intervals

被引：16
|
作者：
Carolan, Christopher A. [2 ]
Kros, John F. [1 ]
Said, Said E. [2 ]
机构：
[1] E Carolina Univ, Dept Mkt & Supply Chain Management, Coll Business, Greenville, NC 27858 USA
[2] E Carolina Univ, Dept Math, Coll Arts & Sci, Greenville, NC 27858 USA
来源：
QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL | 2010年 / 26卷 / 03期
关键词：
control chart design; economic-statistical design; variable sampling intervals; statistical process control; simultaneous monitoring of process mean and variance; 2-STAGE SCREENING-PROCEDURE; (X)OVER-BAR CHARTS; MARKOV-CHAIN; RUN-LENGTH; PARAMETERS; QUALITY; SIZE; MODEL;
D O I：
10.1002/qre.1050
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In the context of economic design, a two-stage model is proposed that utilizes continuously variable sampling intervals. Specifically, each successive sampling interval is determined by the extremity of the latest sample. Modeling the situation as a Markov chain, the hourly cost is developed for any arbitrary set of design parameters. This proposed approach is found to be more economically desirable, possessing a smaller average out-of-control production time, when compared with a standard two-stage approach where the sampling interval alternates between two fixed values. Copyright (C) 2009 John Wiley & Sons, Ltd.
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页码：235 / 245
页数：11
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