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Multivariate SPC Charts for Monitoring Batch Processes
Abstract
The problem of using time-varying trajectory data measured on many process variables over the finite duration of a batch process is considered. Multiway principal-component analysis is used to compress the information contained in the data trajectories into low-dimensional spaces that describe the operation of past batches. This approach facilitates the analysis of operational and quality-control problems in past batches and allows for the development of multivariate statistical process control charts for on-line monitoring of the progress of new batches. Control limits for the proposed charts are developed using information from the historical reference distribution of past successful batches. The method is applied to data collected from an industrial batch polymerization reactor.
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Cited by
PLS-regression: a basic tool of chemometrics
Wold, S., Sjöström, M., & Eriksson, L. (2001) · Chemometrics and Intelligent Laboratory Systems · doi:10.1016/s0169-7439(01)00155-1 · Cited by 10,084
Bro, R., & Smilde, A. K. (2014) · Anal. Methods · doi:10.1039/c3ay41907j · Cited by 3,038
Data-driven Soft Sensors in the process industry
Kadlec, P., Gabrys, B., & Strandt, S. (2009) · Computers & Chemical Engineering · doi:10.1016/j.compchemeng.2008.12.012 · Cited by 1,845
ROBPCA: A New Approach to Robust Principal Component Analysis
Hubert, M., Rousseeuw, P. J., & Vanden Branden, K. (2005) · Technometrics · doi:10.1198/004017004000000563 · Cited by 1,052
Process monitoring and diagnosis by multiblock PLS methods
MacGregor, J. F., Jaeckle, C., Kiparissides, C., & Koutoudi, M. (1994) · AIChE Journal · doi:10.1002/aic.690400509 · Cited by 773
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Metadata
- Authors
- Nomikos, P., & MacGregor, J. F.
- Venue
- Technometrics
- Publisher
- Informa UK Limited
- Published
- 1995-02
- Volume
- 37
- Issue
- 1
- Pages
- 41-59
- ISSN
- 0040-1706 (ISSN-L)
- 1537-2723
- OpenAlex
- W1978994389
- Cited by
- 1,422
- References
- 0
- FWCI
- 31.02
- Type
- journal article
- Language
- en
- Open access
- closed
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