Combining global model and local adaptive neuro-fuzzy network

  • Authors:
  • Yun-Hee Han;Keun-Chang Kwak

  • Affiliations:
  • Dept. of Control, Instrumentation and Robot Engineering, Chosun University, Dong-gu, Gwangju, Korea;Dept. of Control, Instrumentation and Robot Engineering, Chosun University, Dong-gu, Gwangju, Korea

  • Venue:
  • ICIC'09 Proceedings of the Intelligent computing 5th international conference on Emerging intelligent computing technology and applications
  • Year:
  • 2009

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Abstract

This paper is concerned with a method for combining global model with local adaptive neuro-fuzzy network. The underlying principle of this approach is to consider a two- step development. First, we construct a standard linear regression as global model which could be treated as a preliminary design capturing the linear part of the data. Next, all modeling discrepancies are compensated by a collection of rules that become attached to the regions of the input space in which the error becomes localized. The incremented neurofuzzy network is constructed by building a collection of information granules through some specialized fuzzy clustering, called context-based fuzzy c-means that is guided by the distribution of error of the linear part of its development. The experimental results reveal that the proposed method shows a good approximation and generalization capability in comparison with the previous works.