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A study of parabolic control limits for the ewma control chart

 

作者: Robert E. Davis,   William H. Woodall,  

 

期刊: Communications in Statistics - Simulation and Computation  （Taylor Available online 1994）
卷期: Volume 23, issue 1  

页码: 17-26

 

ISSN:0361-0918

 

年代: 1994

 

DOI:10.1080/03610919408813153

 

出版商: Marcel Dekker, Inc.

 

关键词: Exponentially weighted moving average (EWMA);Average run-length (ARL);Statistical process control

 

数据来源: Taylor

 

摘要:

Holmes and Mergen(1992)proposed the use of parabolic control limits for exponentially weighted moving average(EWMA)controlcharts.It is shown in an example that the usual control limits for the EWMA control chart perform much better than theparabolic control limits and are computationally more efficient

 

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