Efficient shift detection using multivariate exponentially-weighted moving average control charts and principal components

@inproceedings{Scranton1996EfficientSD,
  title={Efficient shift detection using multivariate exponentially-weighted moving average control charts and principal components},
  author={Richard E. Scranton and George C. Runger and J. Bert Keats and Douglas C. Montgomery},
  year={1996}
}
This paper demonstrates the use of principal components in conjunction with the multivariate exponentially-weighted moving average (MEWMA) control procedure for process monitoring. It is demonstrated that the number of variables to be monitored is reduced through this approach, and that the average run length to detect process shifts or upsets is substantially reduced as well. The performance of the MEWMA applied to all the variables may be related to the MEWMA control chart that uses principal… CONTINUE READING

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