Journal
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS
Volume 33, Issue 11, Pages 6158-6172Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNNLS.2021.3072491
Keywords
Process monitoring; Correlation; Fault detection; Nonlinear dynamical systems; Task analysis; State-space methods; Computational modeling; Canonical correlation analysis (CCA); deep neural network (DNN); dynamic process monitoring; fault detection; nonlinear process monitoring
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Funding
- National Natural Science Foundation of China [61803390, 61790571, 61773407, U20A20186]
- National Natural Science Foundation of Hunan Province [2020JJ576]
- National Scholarship Council of China [CSC201906370141]
- Hunan Provincial Key Laboratory [2017TP1002]
- Project of State Key Laboratory of High Performance Complex Manufacturing, Central South University [ZZYJKT2020-14]
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This article introduces the current research status of canonical correlation analysis (CCA) and deep neural network-aided CCA (DNN-CCA) in multivariate analysis, discusses the characteristics and differences of various DNN models combined with CCA, and provides suggestions for method selection.
Multivariate analysis is an important kind of method in process monitoring and fault detection, in which the canonical correlation analysis (CCA) makes use of the correlation change between two groups of variables to distinguish the system status and has been greatly studied and applied. For the monitoring of nonlinear dynamic systems, the deep neural network-aided CCA (DNN-CCA) has received much attention recently, but it lacks a general definition and comparative study of different network structures. Therefore, this article first introduces four deep neural network (DNN) models that are suitable to combine with CCA, and the general form of DNN-CCA is given in detail. Then, the experimental comparison of these methods is conducted through three cases, so as to analyze the characteristics and distinctions of CCA aided by each DNN model. Finally, some suggestions on method selection are summarized, and the existed open issues in the current DNN-CCA form and future directions are discussed.
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