Comparative study of parametric and structural methodologies in identification of an experimental nonlinear process

Presents a comparative study of parametric and structural identification methodologies when applied to the identification of an experimental nonlinear process. Several approaches for parametric identification are presented, such as: (i) linear mathematical model obtained through recursive least-squa...

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Hauptverfasser: Marchi, P.A., dos Santos Coelho, L., Coelho, A.A.R.
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Coelho, A.A.R.
description Presents a comparative study of parametric and structural identification methodologies when applied to the identification of an experimental nonlinear process. Several approaches for parametric identification are presented, such as: (i) linear mathematical model obtained through recursive least-squares (RLS), (ii) linear model with estimation algorithm using multi-step-ahead, (iii) Hammerstein model, (iv) Volterra model and, (v) bilinear model. Two structural approaches for neural network configuration are used: (i) multilayer perceptron, and (vii) radial basis function. An experimental evaluation is performed on a fan-and-plate process which exhibits complex features. The main characteristics of each identification methodologies and experimental results are assessed and compared using performance indices and validation response curves.
doi_str_mv 10.1109/CCA.1999.801057
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subjects Cost function
Equations
Mathematical model
Multilayer perceptrons
Neural networks
Parametric statistics
Prediction algorithms
Predictive models
Recursive estimation
Resonance light scattering
title Comparative study of parametric and structural methodologies in identification of an experimental nonlinear process
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