2020
DOI: 10.1002/rnc.5323
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Three‐stage forgetting factor stochastic gradient parameter estimation methods for a class of nonlinear systems

Abstract: This article focuses on the parameter estimation for a class of nonlinear systems, that is, multi‐input single‐output or two‐input single‐output Hammerstein finite impulse response systems with autoregressive moving average noise. The key is to investigate new estimation methods for on‐line parameter estimation of the considered system. By using the gradient search and introducing the forgetting factor, the forgetting factor stochastic gradient estimation method is developed. For the purpose of improving the p… Show more

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Cited by 164 publications
(113 citation statements)
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“…We will be able to consider transforming the database used in the experiment to the same image quality in our future work. e proposed approaches in the paper can [45][46][47][48][49][50][51][52][53] to study the image recognition and identification problems of different plants and can be applied to other studies [54][55][56][57][58][59][60][61][62] in natural sciences and social sciences.…”
Section: Conclusion and Discussionmentioning
confidence: 99%
“…We will be able to consider transforming the database used in the experiment to the same image quality in our future work. e proposed approaches in the paper can [45][46][47][48][49][50][51][52][53] to study the image recognition and identification problems of different plants and can be applied to other studies [54][55][56][57][58][59][60][61][62] in natural sciences and social sciences.…”
Section: Conclusion and Discussionmentioning
confidence: 99%
“…System identification is the theory and methods of establishing the mathematical models of dynamical systems 1‐4 . Almost all the practical physical systems are nonlinear because their components have different degrees of nonlinearity 5‐7 . What is often referred to as linearity in control field is merely a simplification or an approximation to nonlinearity in most cases.…”
Section: Introductionmentioning
confidence: 99%
“…Therefore, considerable attention has been paid to nonlinear systems identification. On the parameter identification of nonlinear systems, various estimation approaches have been presented, 11‐15 including the parameter estimation of signal models 16‐18 . For example, Bottegal et al proposed a two‐experiment method to identify Wiener systems by using the data from two separate experiments, in which the first experiment estimates the static nonlinearity and the second experiment identifies the linear block based on the estimated nonlinearity 19 .…”
Section: Introductionmentioning
confidence: 99%