Optimal process adjustment by integrating production data and design of experiments

This paper proposes a method to improve the process model estimation based on limited experimental data by making use of abundant production data and to achieve the optimal process adjustment based on the improved process model. The proposed method is called an Estimation‐adjustment (EA) method. Fur...

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Veröffentlicht in:Quality and reliability engineering international 2011-04, Vol.27 (3), p.327-336
Hauptverfasser: Li, Jing, Xie, Hairong, Jin, Jionghua
Format: Artikel
Sprache:eng
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Zusammenfassung:This paper proposes a method to improve the process model estimation based on limited experimental data by making use of abundant production data and to achieve the optimal process adjustment based on the improved process model. The proposed method is called an Estimation‐adjustment (EA) method. Furthermore, this paper proves three properties associated with the EA, which guarantee the feasibility and effectiveness of using EA for integrating production and experimental data for optimal process adjustment. Also, the paper develops a sequential hypothesis testing procedure for implementing the EA. The properties and implementation of the EA are demonstrated in a cotton spinning process. Copyright © 2010 John Wiley & Sons, Ltd.
ISSN:0748-8017
1099-1638
1099-1638
DOI:10.1002/qre.1123