Structure optimization of fuzzy-neural network using rough set theory
- Authors
- Yon, Jung-heum; Yang, Seung-moo; Jeon, Hong-Tae
- Issue Date
- Aug-1999
- Publisher
- IEEE, Piscataway, NJ, United States
- Citation
- IEEE International Conference on Fuzzy Systems, v.3, pp III - 1666 - III-1670
- Journal Title
- IEEE International Conference on Fuzzy Systems
- Volume
- 3
- Start Page
- III
- End Page
- 1666 - III-1670
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/56563
- ISSN
- 0000-0000
- Abstract
- This paper presents an approach to obtain a reduced neuro-fuzzy model for a plant. The reduction is carried out through an iterative algorithm aiming at selecting a minimal number of rules of the model. To decide which rules we may eliminate, dependancy in rough set theory is used. Dependency between each rule in a model and the output of the plant can allow us to see how much contributive the rule is to the identification of the plant. While the reduced model maintains the same performance as the original one, the selection algorithm can minimize its complexity and redundancy of the structure. The rapid convergence of the number of the redundant rules must be accomplished by our method. We don't need to cluster the input space from the raw data and furthermore don't worry about ε-completeness, which we have to consider when adjusting the membership functions. Experimental results demonstrate the effectiveness of using dependency to measure the contribution of any rule to the model.
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Collections - College of ICT Engineering > School of Electrical and Electronics Engineering > 1. Journal Articles
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