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Fault Detection via Occupation Kernel Principal Component Analysis

Journal Article · · IEEE Control Systems Letters

Reliable operation of automatic systems is heavily dependent on the ability to detect faults in the underlying dynamics. While traditional model-based methods have been widely used for fault detection, data-driven approaches have garnered increasing attention due to their ease of deployment and minimal need for expert knowledge. In this letter, we present a novel principal component analysis (PCA) method that uses occupation kernels. Occupation kernels result in feature maps that are tailored to the measured data, have inherent noise-robustness due to the use of integration, and can utilize irregularly sampled system trajectories of variable lengths for PCA. The occupation kernel PCA method is used to develop a reconstruction error approach to fault detection and its efficacy is validated using numerical simulations.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Grant/Contract Number:
AC05-00OR22725
OSTI ID:
2000314
Journal Information:
IEEE Control Systems Letters, Journal Name: IEEE Control Systems Letters Journal Issue: 7 Vol. 7; ISSN 2475-1456
Publisher:
IEEECopyright Statement
Country of Publication:
United States
Language:
English

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