期刊
IEEE TRANSACTIONS ON INDUSTRIAL INFORMATICS
卷 18, 期 10, 页码 6690-6699出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TII.2021.3121770
关键词
Kernel; Correlation; Optimization; Neural networks; Informatics; Image reconstruction; Feature extraction; Canonical correlation analysis (CCA); deep autoencoder neural networks (DAENNs); process monitoring (PM); sparsity-constrained optimization (SCO)
类别
资金
- National Natural Science Foundation of China [12001019, 61633001, 62173003, TII-21-2666]
This article proposes an efficient nonlinear process monitoring method by integrating DAENNs, CCA, and SCO. The method is demonstrated on the TE process and the diesel generator process, achieving an increased fault detection rate of 8.00% for the fault IDV(11) compared to classical CCA.
This article proposes an efficient nonlinear process monitoring method (DCCA-SCO) by integrating canonical correlation analysis (CCA), deep autoencoder neural networks (DAENNs), and sparsity-constrained optimization (SCO). Specifically, DAENNs are first used to learn a nonlinear function automatically, which characterizes intrinsic features of the original process data. Then, the CCA is performed in that low-dimensional representation space to extract the most correlated variables. In addition, the SCO is imposed to reduce the redundancy of the hidden representation. Unlike other deep CCA methods, the DCCA-SCO provides a new nonlinear method that is able to learn a nonlinear mapping with a sparse prior. The validity of the proposed DCCA-SCO is extensively demonstrated on the benchmark Tennessee Eastman (TE) process and the diesel generator process. In particular, compared with the classical CCA, the fault detection rate is increased by 8.00% for the fault IDV(11) in the TE process.
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