Improved Hybrid Exponentially Weighted Moving Average Control Chart using Auxiliary Information
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Published:2020-10-18
Issue:
Volume:
Page:
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ISSN:2229-5666
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Container-title:Journal of Reliability and Statistical Studies
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language:
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Short-container-title:JRSS
Author:
Tariq Sadia,Noor-ul-Amin Muhammad,Hanif Muhammad,Jun Chi-Hyuck
Abstract
Statistical process control is an important tool for maintaining the quality of a production process. Several control charts are available to monitor changes in process parameters. In this study, a control chart for the process mean is proposed. For this purpose, an auxiliary variable is used in the form of a regression estimator under the configuration of the hybrid exponentially weighted moving average (HEWMA) control chart. The proposed chart is evaluated by conducting a simulation study. The results showed that the proposed chart is sensitive with respect to the HEWMA chart. A real-life application is also presented to demonstrate the performance of the proposed control chart.
Publisher
River Publishers
Cited by
1 articles.
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