A new phase II EWMA dispersion control chart

Statistical process control (SPC) methods are useful for improving or maintaining a manufacturing or service process in a stable and satisfactory state. Nowadays, in many industrial applications, it is necessary to simultaneously monitor more than two related quality variables of a process. Multivar...

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Veröffentlicht in:	Quality and reliability engineering international 2022-06, Vol.38 (4), p.1635-1658
Hauptverfasser:	Yang, Su‐Fen, Arnold, Barry C., Liu, Yen‐ling, Lu, Ming‐Che, Lu, Shin‐Li
Format:	Artikel
Sprache:	eng
Schlagworte:	average run length Conductors Control charts Covariance matrix Dispersion dispersion control chart False alarms Industrial applications Mathematical analysis Monitoring Multivariate analysis multivariate distribution Normal distribution Process controls Statistical analysis Statistical process control variance covariance matrix
Online-Zugang:	Volltext
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