A STUDY OF A NEW PROCESS CAPABILITY INDEX

被引：56

作者：

CHOI, BC ^{[1
]}

OWEN, DB ^{[1
]}

机构：

[1] SO METHODIST UNIV,DEPT STAT SCI,DALLAS,TX 75275

来源：

COMMUNICATIONS IN STATISTICS-THEORY AND METHODS | 1990年 / 19卷 / 04期

关键词：

centering; lower confidence limit; normal process; process variation; specification limits; target value;

D O I：

10.1080/03610929008830258

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：

A new 'process capability index is proposed that takes into account the location of the process mean between the two specification limits, the proximity to the target value, and the process variation when assessing process performance. The proposed index is compared to other indices on several properties. The proposed index is estimated based on a random sample of observations from the production process when the process is assumed to be normally distributed. The 95% lower confidence limits for the proposed index are derived for given sample sizes and its estimates. © 1990, Taylor & Francis Group, LLC. All rights reserved.

引用

页码：1231 / 1245

页数：15

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