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<p>This paper addresses the issue of data-driven smoothing parameter (bandwidth) selection in the context of nonparametric system identification of dynamic systems. In particular, we examine the identification problem of the block-oriented Hammerstein cascade system. A class of kernel-type Generalized Regression Neural Networks (GRNN) is employed as the identification algorithm. The statistical accuracy of the kernel GRNN estimate is critically influenced by the choice of the bandwidth. Given the need of data-driven bandwidth specification we propose several automatic selection methods that are compared by means of simulation studies. Our experiments reveal that the method referred to as the partitioned cross-validation algorithm can be recommended as the practical procedure for the bandwidth choice for the kernel GRNN estimate in terms of its statistical accuracy and implementation aspects.</p>
</abstract>

This paper addresses the issue of data-driven smoothing parameter (bandwidth) selection in the context of nonparametric system identification of dynamic systems. In particular, we examine the identification problem of the block-oriented Hammerstein cascade system. A class of kernel-type Generalized Regression Neural Networks (GRNN) is employed as the identification algorithm. The statistical accuracy of the kernel GRNN estimate is critically influenced by the choice of the bandwidth. Given the need of data-driven bandwidth specification we propose several automatic selection methods that are compared by means of simulation studies. Our experiments reveal that the method referred to as the partitioned cross-validation algorithm can be recommended as the practical procedure for the bandwidth choice for the kernel GRNN estimate in terms of its statistical accuracy and implementation aspects.

Bandwidth Selection for Kernel Generalized Regression Neural Networks in Identification of Hammerstein Systems

Department of Electrical & Computer Engineering

Journal of Artificial Intelligence and Soft Computing Research

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

This paper addresses the issue of data-driven smoothing parameter (bandwidth) selection in the context of nonparametric system identification of dynamic...

Bandwidth Selection for Kernel Generalized Regression Neural Networks in Identification of Hammerstein Systems

Published Online: May 29, 2021

Page range: 181 - 194

Received: Aug 05, 2020

Accepted: Jan 19, 2021

DOI: https://doi.org/10.2478/jaiscr-2021-0011

Keywords
Generalized regression neural networks, nonparametric estimation, bandwidth, data-driven selection, nonlinear systems, Hammerstein systems

© 2021 Jiaqing Lv et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Bandwidth Selection for Kernel Generalized Regression Neural Networks in Identification of Hammerstein Systems

Published Online: May 29, 2021

Page range: 181 - 194

Received: Aug 05, 2020

Accepted: Jan 19, 2021

DOI: https://doi.org/10.2478/jaiscr-2021-0011

KeywordsGeneralized regression neural networks, nonparametric estimation, bandwidth, data-driven selection, nonlinear systems, Hammerstein systems

© 2021 Jiaqing Lv et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
Generalized regression neural networks, nonparametric estimation, bandwidth, data-driven selection, nonlinear systems, Hammerstein systems