Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation

This paper proposes a solution for inconsistency pruning of neurons within a sequential learning Radial Basis Function (RBF) Network. This paper adopts the concept that a specific RBF neuron which continuously exhibits low output in a sequence of training patterns does not justify the proposition th...

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Main Authors: Lim, W. S., Yeoh, J. W. L.
Format: Article
Published: IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG 2008
Subjects:
Online Access:http://shdl.mmu.edu.my/1947/
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author Lim, W. S.
Yeoh, J. W. L.
author_facet Lim, W. S.
Yeoh, J. W. L.
author_sort Lim, W. S.
building MMU Institutional Repository
collection Online Access
description This paper proposes a solution for inconsistency pruning of neurons within a sequential learning Radial Basis Function (RBF) Network. This paper adopts the concept that a specific RBF neuron which continuously exhibits low output in a sequence of training patterns does not justify the proposition that the neuron is insignificant to the whole function to be approximated. We establish additional criterions to provide protection from error in pruning RBF neurons within the hidden layer, which we prove is able to improve consistency and stability of neuron evolution. With such stability within the sequential learning process, we also show how the convergence speed of the network can be improved by reducing the number of consecutive observations required to prune a neuron in the hidden layer.
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spelling mmu-19472011-08-08T07:40:09Z http://shdl.mmu.edu.my/1947/ Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation Lim, W. S. Yeoh, J. W. L. T Technology (General) TA Engineering (General). Civil engineering (General) This paper proposes a solution for inconsistency pruning of neurons within a sequential learning Radial Basis Function (RBF) Network. This paper adopts the concept that a specific RBF neuron which continuously exhibits low output in a sequence of training patterns does not justify the proposition that the neuron is insignificant to the whole function to be approximated. We establish additional criterions to provide protection from error in pruning RBF neurons within the hidden layer, which we prove is able to improve consistency and stability of neuron evolution. With such stability within the sequential learning process, we also show how the convergence speed of the network can be improved by reducing the number of consecutive observations required to prune a neuron in the hidden layer. IEICE-INST ELECTRONICS INFORMATION COMMUNICATIONS ENG 2008-12 Article NonPeerReviewed Lim, W. S. and Yeoh, J. W. L. (2008) Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation. IEICE Electronics Express, 5 (23). pp. 1030-1035. ISSN 1349-2543 http://dx.doi.org/10.1587/elex.5.1030 doi:10.1587/elex.5.1030 doi:10.1587/elex.5.1030
spellingShingle T Technology (General)
TA Engineering (General). Civil engineering (General)
Lim, W. S.
Yeoh, J. W. L.
Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation
title Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation
title_full Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation
title_fullStr Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation
title_full_unstemmed Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation
title_short Optimization and stabilization of sequential learning in RBF network for nonlinear function approximation
title_sort optimization and stabilization of sequential learning in rbf network for nonlinear function approximation
topic T Technology (General)
TA Engineering (General). Civil engineering (General)
url http://shdl.mmu.edu.my/1947/
http://shdl.mmu.edu.my/1947/
http://shdl.mmu.edu.my/1947/