ALARM RATES FOR QUALITY-CONTROL CHARTS

被引：65

作者：

MARGAVIO, TM

CONERLY, MD

WOODALL, WH

DRAKE, LG

机构：

[1] SW MISSOURI STATE UNIV,SPRINGFIELD,MO 65804

[2] UNIV ALABAMA,TUSCALOOSA,AL 35487

来源：

STATISTICS & PROBABILITY LETTERS | 1995年 / 24卷 / 03期

关键词：

STATISTICAL PROCESS CONTROL; EXPONENTIALLY WEIGHTED MOVING AVERAGE CONTROL CHART; AVERAGE RUN LENGTH;

D O I：

10.1016/0167-7152(94)00174-7

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：

There is a direct relationship between a single alarm probability and the average run length only for basic Shewhart charts such as the ($) over bar X-chart. Alarm rates are defined in this paper that can be applied with charts such as the cumulative sum (CUSUM) chart and the exponentially weighted moving average (EWMA) chart that base decisions on several observations, not just the most recent one. Methods for determining EWMA chart limits are compared on the basis of their fake alarm rates. It is shown how control charts can be more flexibly and carefully defined by considering a desired pattern of in-control false alarm rates in conjunction with a desired in-control average run length.

引用

页码：219 / 224

页数：6

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