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Statistically Evolving Fuzzy Inference System for Non-Gaussian Noises
Yang, Zhao Xu1,2; Rong, Hai Jun1; Angelov, Plamen P.3; Yang, Zhi Xin4
2022-07
Source PublicationIEEE Transactions on Fuzzy Systems
ISSN1063-6706
Volume30Issue:7Pages:2649-2664
Abstract

Non-Gaussian noises always exist in the nonlinear system, which usually lead to inconsistency and divergence of the regression and identification applications. The conventional evolving fuzzy systems (EFSs) in common sense have succeeded to conquer the uncertainties and external disturbance employing the specific variable structure characteristic. However, non-Gaussian noises would trigger the frequent changes of structure under the transient criteria, which severely degrades performance. Statistical criterion provides an informed choice of the strategies of the structure evolution, utilizing the approximation uncertainty as the observation of model sufficiency. The approximation uncertainty can be always decomposed into model uncertainty term and noise term, and is suitable for the non-Gaussian noise condition, especially relaxing the traditional Gaussian assumption. In this paper, a novel incremental statistical evolving fuzzy inference system (SEFIS) is proposed, which has the capacity of updating the system parameters, and evolving the structure components to integrate new knowledge in the new process characteristic, system behavior, and operating conditions with non-Gaussian noises. The system generates a new rule based on the statistical model sufficiency which gives so insight into whether models are reliable and their approximations can be trusted. The nearest rule presents the inactive rule under the current data stream and further would be deleted without losing any information and accuracy of the subsequent trained models when the model sufficiency is satisfied. In our work, an adaptive maximum correntropy extend Kalman filter (AMCEKF) is derived to update the parameters of the evolving rules to cope with the non-Gaussian noises problems to further improve the robustness of parameter updating process. The parameter updating process shares an estimate of the uncertainty with the criteria of the structure evolving process to make the computation less of a burden dramatically. The simulation studies show that the proposed SEFIS has faster learning speed and is more accurate than the existing evolving fuzzy systems (EFSs) in the case of noise-free and noisy conditions.

KeywordAdaptation Models Evolving Fuzzy System Fuzzy Logic Fuzzy Systems Kalman Filter Kalman Filters Maximum Correntropy Model Sufficiency Transient Analysis Uncertainty Vibrations
DOI10.1109/TFUZZ.2021.3090898
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science ; Engineering
WOS SubjectComputer Science, Artificial Intelligence ; Engineering, Electrical & Electronic
WOS IDWOS:000819827400044
Scopus ID2-s2.0-85112461535
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Citation statistics
Document TypeJournal article
CollectionTHE STATE KEY LABORATORY OF INTERNET OF THINGS FOR SMART CITY (UNIVERSITY OF MACAU)
Faculty of Science and Technology
DEPARTMENT OF ELECTROMECHANICAL ENGINEERING
Corresponding AuthorRong, Hai Jun; Yang, Zhi Xin
Affiliation1.School of Aerospace Engineering, Xi'an Jiaotong University, 12480 Xi'an, Shaanxi, China, 710049
2.State Key Laboratory of Internet of Things for Smart City, University of Macau, Taipa 999078, Macao
3.Computing and Communication Systems, Lancaster University, Lancaster, United Kingdom of Great Britain and Northern Ireland, LA1 4WA
4.Department of Electromechanical Engineering, University of Macau, 59193 Taipa, Macau, Macao
First Author AffilicationUniversity of Macau
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Yang, Zhao Xu,Rong, Hai Jun,Angelov, Plamen P.,et al. Statistically Evolving Fuzzy Inference System for Non-Gaussian Noises[J]. IEEE Transactions on Fuzzy Systems, 2022, 30(7), 2649-2664.
APA Yang, Zhao Xu., Rong, Hai Jun., Angelov, Plamen P.., & Yang, Zhi Xin (2022). Statistically Evolving Fuzzy Inference System for Non-Gaussian Noises. IEEE Transactions on Fuzzy Systems, 30(7), 2649-2664.
MLA Yang, Zhao Xu,et al."Statistically Evolving Fuzzy Inference System for Non-Gaussian Noises".IEEE Transactions on Fuzzy Systems 30.7(2022):2649-2664.
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