A modified RBF network with application to system identification
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We propose a modified RBF network in which the regression weights are used to replace the constant weights in the output layer. It is shown that the modified RBF network can reduce the number of hidden units significantly. Moreover, we develop a computationally efficient algorithm, known as the EM algorithm, to estimate the parameters of the regression weights. A salient feature of this algorithm is that it decouples a complicated multiparameter optimization problem into L separate small-scale optimization problems, where L is the number of hidden units. The superior performance the modified RBF network over the standard RBF network is illustrated by means of a system identification example.
name of conference
Proceedings of International Conference on Control Applications
PROCEEDINGS OF THE 4TH IEEE CONFERENCE ON CONTROL APPLICATIONS
author list (cited authors)
Langari, R., & Wang, L. A.
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