An on-line algorithm for creating self-organizing fuzzy neural networks

  • Authors:

  • Gang Leng;Girijesh Prasad;Thomas Martin McGinnity

  • Affiliations:

  • Intelligent Systems Engineering Laboratory, School of Computing and Intelligent Systems, University of Ulster at Magee, Derry, Northern Ireland BT48 7JL, UK;Intelligent Systems Engineering Laboratory, School of Computing and Intelligent Systems, University of Ulster at Magee, Derry, Northern Ireland BT48 7JL, UK;Intelligent Systems Engineering Laboratory, School of Computing and Intelligent Systems, University of Ulster at Magee, Derry, Northern Ireland BT48 7JL, UK

  • Venue:
  • Neural Networks
  • Year:
  • 2004

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Abstract

This paper presents a new on-line algorithm for creating a self-organizing fuzzy neural network (SOFNN) from sample patterns to implement a singleton or Takagi-Sugeno (TS) type fuzzy model. The SOFNN is based on ellipsoidal basis function (EBF) neurons consisting of a center vector and a width vector. New methods of the structure learning and the parameter learning, based on new adding and pruning techniques and a recursive on-line learning algorithm, are proposed and developed. A proof of the convergence of both the estimation error and the linear network parameters is also given in the paper. The proposed methods are very simple and effective and generate a fuzzy neural model with a high accuracy and compact structure. Simulation work shows that the SOFNN has the capability of self-organization to determine the structure and parameters of the network automatically.