On Equivalence of FIS and ELM for Interpretable Rule-Based Knowledge Representation

Wong, S.Y. and Yap, K.S. and Yap, H.J. and Tan, S.C. and Chang, S.W. (2015) On Equivalence of FIS and ELM for Interpretable Rule-Based Knowledge Representation. IEEE Transactions on Neural Networks and Learning Systems, 26 (7). pp. 1417-1430. ISSN 2162-237X

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Official URL: http://dx.doi.org/10.1109/TNNLS.2014.2341655

Abstract

This paper presents a fuzzy extreme learning machine (F-ELM) that embeds fuzzy membership functions and rules into the hidden layer of extreme learning machine (ELM). Similar to the concept of ELM that employed the random initialization technique, three parameters of F-ELM are randomly assigned. They are the standard deviation of the membership functions, matrix-C (rule-combination matrix), and matrix-D [don't care (DC) matrix]. Fuzzy if-then rules are formulated by the rule-combination Matrix of F-ELM, and a DC approach is adopted to minimize the number of input attributes in the rules. Furthermore, F-ELM utilizes the output weights of the ELM to form the target class and confidence factor for each of the rules. This is to indicate that the corresponding consequent parameters are determined analytically. The operations of F-ELM are equivalent to a fuzzy inference system. Several benchmark data sets and a real world fault detection and diagnosis problem have been used to empirically evaluate the efficacy of the proposed F-ELM in handling pattern classification tasks. The results show that the accuracy rates of F-ELM are comparable (if not superior) to ELM with distinctive ability of providing explicit knowledge in the form of interpretable rule base.

Item Type: Article
Uncontrolled Keywords: Extreme learning machine (ELM); Fuzzy inference system (FIS); Pattern classification; Rule based
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Q Science > QH Natural history
T Technology > TJ Mechanical engineering and machinery
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Faculty of Science > Institute of Biological Sciences
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 28 Sep 2018 02:03
Last Modified: 28 Sep 2018 02:03
URI: http://eprints.um.edu.my/id/eprint/19441

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