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Title: Data-driven elastic fuzzy logic system modeling : constructing a concise system with human-like inference mechanism
Authors: Zhang, J
Deng, Z
Choi, K 
Wang, S
Issue Date: Aug-2017
Source: IEEE transactions on fuzzy systems, Aug. 2017, v. 26, no. 4, p. 2160-2173
Abstract: The construction of fuzzy logic systems (FLSs) using data-driven techniques has become the most popular modeling approach. However, this approach still faces critical challenges, including the difficulty in obtaining concise models for high-dimensional data and generating accurate fuzzy rules to simulate human inference mechanism. To tackle these issues, a new FLS modeling framework called data-driven elastic FLS (DD-EFLS) is proposed in this paper. The DD-EFLS has two key characteristics. First, the fuzzy rules in the rule base can use different feature subspaces that are extracted from the original high-dimensional space to yield simple and accurate rules in feature spaces of lower dimensionality. Second, fuzzy inferences from various views are implemented by embedding different rules in the corresponding subspaces to imitate human inference mechanism. Based on the DD-EFLS framework, an elastic Takagi-Sugeno-Kang (TSK) FLS modeling method (ETSK-FLS) is proposed to train the elastic TSK FLS using the concise rules and a more human-like inference mechanism for modeling tasks based on high-dimensional datasets. The characteristics and advantages of the proposed framework and the ETSK-FLS method are validated experimentally using both synthetic and real-world datasets.
Keywords: Concise and interpretable model
Elastic fuzzy logic systems
High-dimensional data
TSK fuzzy logic system
Publisher: Institute of Electrical and Electronics Engineers
Journal: IEEE transactions on fuzzy systems 
ISSN: 1063-6706
EISSN: 1941-0034
DOI: 10.1109/TFUZZ.2017.2767025
Rights: © 2017 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
The following publication J. Zhang, Z. Deng, K. Choi and S. Wang, "Data-Driven Elastic Fuzzy Logic System Modeling: Constructing a Concise System With Human-Like Inference Mechanism," in IEEE Transactions on Fuzzy Systems, vol. 26, no. 4, pp. 2160-2173, Aug. 2018 is available at http://doi.org/10.1109/TFUZZ.2017.2767025.
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