The Shewhart-Ewma Automatic Control Chart

John J. Flaig

The Shewhart-Ewma Automatic Control Chart

John J. Flaig * §

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International Technological University

The Shewhart-Ewma Automatic Control Chart

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Abstract

As the amount of critical process data increases due to automatic data acquisition systems, two problems present themselves. First, it becomes uneconomic to add sufficient staff to monitor all these processes using control charts, and second, the skill level required to observe and interpret the control charts becomes an ongoing issue of assuring accuracy and consistency via expensive training programs. An automated control procedure could conceivably provide a solution to both of these issues.

References

5 Cites in Article

Reference Format

Stephen Crowder (1989). Design of Exponentially Weighted Moving Average Schemes.
John Flaig (2002). Using Factor Effects Analysis to Improve Statistical Process Control.
J Lucas,M Saccucci (1990). Exponentially Weighted Average Control Schemes: Properties and Enhancements.
D Montgomery (2001). Introduction to Statistical Quality Control.
S Roberts (1959). Control Chart Tests Based on Geometric Moving Averages.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

John J. Flaig. 2014. "The Shewhart-Ewma Automatic Control Chart". Global Journal of Research in Engineering - J: General Engineering GJRE-J Volume 14 (GJRE Volume 14 Issue J1).

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GJRE Volume 14 Issue J1

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

automatic process control (APC)exponentially weighted moving average (EWMA)statistical process control (SPC)

Classification

GJRE-J Classification FOR Code: 091599

Submission ReceivedDecember 7, 2013
Peer Review Double Blind
Handling Editor
Accepted January 3, 2014
Published January 15, 2014

Version of record

v1.2

Issue date

April 22, 2014

Language

English

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Article Matrices

Total Score: 131

Country: United States

Subject: Global Journal of Research in Engineering

Authors: John J. Flaig (PhD/Dr. count: 0)

View Count (all-time): 496

Total Views (Real + Logic): 2042

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Publish Date: 2014 01, Wed

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Total Views: 2K

Total Downloads: 163

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