期刊
INFORMATION SCIENCES
卷 572, 期 -, 页码 424-443出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.ins.2021.05.031
关键词
Interval type-3 fuzzy logic systems; Self-organizing; Kalman filter; Correntropy criterion; Learning algorithm
资金
- university of Bonab [1398/07/23-9804]
In this study, a new self-organizing interval type-3 fuzzy logic system is proposed with an adaptive fuzzy kernel size to enhance the robustness against non-Gaussian noise. Simulation examples demonstrate that the introduced system and learning algorithm outperform other types of fuzzy neural networks and conventional learning techniques in terms of accuracy. The proposed learning method shows improved robustness against non-Gaussian noise compared to traditional Kalman filters.
In this study, a self-organizing interval type-3 fuzzy logic system (SO-IT3FLS) with a new learning algorithm is presented. An adaptive kernel size using fuzzy systems is introduced to improve the robustness of conventional correntropy based Kalman filters against non-Gaussian noise. The maximum correntropy Kalman filter (MCKF) and maximum correntropy unscented Kalman filter (MCUKF) with the proposed adaptive fuzzy kernel size are reformulated to optimize both rule and antecedent parameters, respectively. In addition to the rule parameters, the proposed membership function (MF) parameters and the level of alpha-cuts are also optimized. Five simulation examples with real-world data sets are given for examination. The simulations show that the introduced SO-IT3FLS and learning algorithm result in better accuracy in contrast to the other kind of fuzzy neural networks and conventional learning techniques. Furthermore, it is verified that the robustness of the proposed learning method against non-Gaussian noise is improved in contrast to the conventional Kalman filter, maximum correntropy Kalman filter and unscented Kalman filter. (C) 2021 Elsevier Inc. All rights reserved.
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