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Jointly evolving and compressing fuzzy system for feature reduction and classification
Huang, Hui1; Rong, Hai Jun1; Yang, Zhao Xu1; Vong, Chi Man2
2021-11-01
Source PublicationInformation Sciences
ISSN0020-0255
Volume579Pages:218-230
Abstract

Evolving fuzzy systems (EFSs) are a type of adaptive fuzzy rule-based systems which can self-adapt both their structures and parameters simultaneously. However, the existing EFSs suffer from two drawbacks: 1) classical EFSs usually use all input features to model systems, resulting in lengthy fuzzy rules; 2) some redundant information in fuzzy rules may hinder high generalization. To address these two issues, a promising method is proposed in this paper by combining very sparse random projection (VSRP) with a class of EFSs based-on data clouds, called VSRP-AnYa-EFS. The proposed method introduces: 1) a random sparse-Bernoulli (RSB) matrix based-on VSRP is utilized to compress the lengthy antecedent part into a tighter form, triggering a feature-reduction mechanism. By employing VSRP in RSB matrix, some redundant information in fuzzy rules can be filtered; 2) Local learning is used for consequent parameter optimization to suit decoupled behavior of rules after redundant information between rules is deleted. By adopting VSRP and local learning, the proposed VSRP-AnYa-EFS owns a compact structure and fast learning speed. Numerical examples presented in this paper demonstrate that the proposed method can significantly reduce training time from hours to minutes while the accuracy can be improved up to 5%.

KeywordAnya Evolving Fuzzy System (Anya-efs) Dimension Reduction Very Sparse Random Projection (Vsrp) Random Sparse-bernoulli (Rsb) Matrix
DOI10.1016/j.ins.2021.08.003
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaComputer Science
WOS SubjectComputer Science, Information Systems
WOS IDWOS:000701166800013
PublisherELSEVIER SCIENCE INC, STE 800, 230 PARK AVE, NEW YORK, NY 10169
Scopus ID2-s2.0-85112349147
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Document TypeJournal article
CollectionDEPARTMENT OF COMPUTER AND INFORMATION SCIENCE
Corresponding AuthorRong, Hai Jun
Affiliation1.State Key Laboratory for Strength and Vibration of Mechanical Structures, Shaanxi Key Laboratory of Environment and Control for Flight Vehicle, School of Aerospace, Xi'an Jiaotong University, Xi'an, 710049, China
2.Department of Computer and Information Science, University of Macau, China
Recommended Citation
GB/T 7714
Huang, Hui,Rong, Hai Jun,Yang, Zhao Xu,et al. Jointly evolving and compressing fuzzy system for feature reduction and classification[J]. Information Sciences, 2021, 579, 218-230.
APA Huang, Hui., Rong, Hai Jun., Yang, Zhao Xu., & Vong, Chi Man (2021). Jointly evolving and compressing fuzzy system for feature reduction and classification. Information Sciences, 579, 218-230.
MLA Huang, Hui,et al."Jointly evolving and compressing fuzzy system for feature reduction and classification".Information Sciences 579(2021):218-230.
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