Journal
CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS
Volume 204, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.chemolab.2020.104095
Keywords
Conjugate exponential family graphical models; Bayesian networks; Expectation maximization; Variational Bayesian expectation maximization; Process monitoring; Probabilistic modelling; Probabilistic principal component analyzer
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Funding
- Natural Sciences and Engineering Research Council of Canada
- MITACS Canada
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Over the past few decades, both academic and industrial communities have shown increasing interest in the use of data-driven models for process monitoring applications. There exist numerous data-driven techniques in the literature for process monitoring based on the models borrowed from fields such as chemometrics, statistics and different areas of machine learning. This paper reviews a class of probabilistic models, conjugate exponential family graphical models (CEFGMs) for process monitoring applications and also serves as a tutorial for two popular estimation algorithms for the CEFGMs, the expectation maximization (EM) and variational Bayesian expectation maximization (VBEM) algorithms.
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