A Design of Dynamically Simultaneous Search GA-based Fuzzy Neural Networks: Comparative Analysis and Interpretation

- Journal title : Journal of Electrical Engineering and Technology
- Volume 8, Issue 3, 2013, pp.621-632
- Publisher : The Korean Institute of Electrical Engineers
- DOI : 10.5370/JEET.2013.8.3.621

Title & Authors

A Design of Dynamically Simultaneous Search GA-based Fuzzy Neural Networks: Comparative Analysis and Interpretation

Park, Byoung-Jun; Kim, Wook-Dong; Oh, Sung-Kwun;

Park, Byoung-Jun; Kim, Wook-Dong; Oh, Sung-Kwun;

Abstract

In this paper, we introduce advanced architectures of genetically-oriented Fuzzy Neural Networks (FNNs) based on fuzzy set and fuzzy relation and discuss a comprehensive design methodology. The proposed FNNs are based on 'if-then' rule-based networks with the extended structure of the premise and the consequence parts of the fuzzy rules. We consider two types of the FNNs topologies, called here FSNN and FRNN, depending upon the usage of inputs in the premise of fuzzy rules. Three different type of polynomials function (namely, constant, linear, and quadratic) are used to construct the consequence of the rules. In order to improve the accuracy of FNNs, the structure and the parameters are optimized by making use of genetic algorithms (GAs). We enhance the search capabilities of the GAs by introducing the dynamic variants of genetic optimization. It fully exploits the processing capabilities of the FNNs by supporting their structural and parametric optimization. To evaluate the performance of the proposed FNNs, we exploit a suite of several representative numerical examples and its experimental results are compared with those reported in the previous studies.

Keywords

Fuzzy set;Fuzzy relation;Fuzzy neural networks;Genetic algorithm;Polynomial fuzzy inference;Dynamically simultaneous search;

Language

English

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