AB Yeh, DKJ Lin, RN McGrath - Quality Technology & Quantitative …, 2006 - Taylor & Francis
In this paper, we review multivariate control charts designed for monitoring changes in a covariance matrix that have been developed in the last 15 years. The focus is on control …
A major tool for quality control and management, statistical process control (SPC) monitors sequential processes, such as production lines and Internet traffic, to ensure that they work …
C Zou, P Qiu - Journal of the American Statistical Association, 2009 - Taylor & Francis
This article develops a new multivariate statistical process control (SPC) methodology based on adapting the LASSO variable selection method to the SPC problem. The LASSO method …
Monitoring several correlated quality characteristics of a process is common in modern manufacturing and service industries. Although a lot of attention has been paid to monitoring …
C Zou, F Tsung - Technometrics, 2011 - Taylor & Francis
Nonparametric control charts are useful in statistical process control (SPC) when there is a lack of or limited knowledge about the underlying process distribution, especially when the …
DM Hawkins, EM Maboudou-Tchao - Technometrics, 2008 - Taylor & Francis
Multivariate exponentially weighted moving average (MEWMA) charts are among the best control charts for detecting small changes in any direction. The well-known MEWMA is …
C Zou, W Jiang, F Tsung - Technometrics, 2011 - Taylor & Francis
In monitoring complex systems, apart from quick detection of abnormal changes of system performance and key parameters, accurate fault diagnosis of responsible factors has …
W Jiang, K Wang, F Tsung - Journal of Quality Technology, 2012 - Taylor & Francis
Fault detection and root cause identification are both important tasks in Multivariate Statistical Process Control (MSPC) for improving process and product quality. Most …
Adaptive EWMA (AEWMA) control charts have gained remarkable recognition by monitoring productions over a wide range of shifts. The adaptation of computational statistic as per …