Results 21 to 30 of about 861 (177)

Instrumental Variable-Based OMP Identification Algorithm for Hammerstein Systems

open access: yesComplexity, 2018
Hammerstein systems are formed by a static nonlinear block followed by a dynamic linear block. To solve the parameterizing difficulty caused by parameter coupling between the nonlinear part and the linear part in a Hammerstein system, an instrumental ...
Shuo Zhang, Dongqing Wang, Yaru Yan
doaj   +1 more source

Parameter identification for Hammerstein nonlinear system with polynomial and state space model

open access: yesMeasurement + Control, 2023
This study investigates a two-stage parameter identification algorithm for the Hammerstein nonlinear system based on special test signals. The studied Hammerstein nonlinear system has a static nonlinear subsystem represented by polynomial basis function ...
Chenghao Li, Feng Li, Qingfeng Cao
doaj   +1 more source

Auxiliary Model Based Multi-Innovation Stochastic Gradient Identification Algorithm for Periodically Non-Uniformly Sampled-Data Hammerstein Systems

open access: yesAlgorithms, 2017
Due to the lack of powerful model description methods, the identification of Hammerstein systems based on the non-uniform input-output dataset remains a challenging problem.
Li Xie, Huizhong Yang
doaj   +1 more source

Identification of Time-Varying Hammerstein-Wiener Systems

open access: yesIEEE Access, 2020
This paper focuses on identifying time-varying Hammerstein-Wiener systems. A modified algorithm based on extended Kalman filter is proposed. The algorithm is derived from the comparison between the first and the second order extended Kalman filter ...
Feng Yu, Zhizhong Mao, Dakuo He
doaj   +1 more source

Blind identification of Volterra-Hammerstein systems

open access: yesIEEE Transactions on Signal Processing, 2004
This paper is concerned with the blind identification of Volterra-Hammerstein systems. Two identification scenarios are covered. The first scenario assumes that, although the input is not available, the statistics of the input are a priori known. This case appears in communication applications where the input statistics of the transmitter are known to ...
Kalouptsidis, N., Koukoulas, P.
openaire   +2 more sources

WH-EA: An Evolutionary Algorithm for Wiener-Hammerstein System Identification

open access: yesComplexity, 2018
Current methods to identify Wiener-Hammerstein systems using Best Linear Approximation (BLA) involve at least two steps. First, BLA is divided into obtaining front and back linear dynamics of the Wiener-Hammerstein model. Second, a refitting procedure of
J. Zambrano   +3 more
doaj   +1 more source

Nontrivial Solutions of Systems of Perturbed Hammerstein Integral Equations with Functional Terms

open access: yesMathematics, 2021
We discuss the solvability of a fairly general class of systems of perturbed Hammerstein integral equations with functional terms that depend on several parameters.
Gennaro Infante
doaj   +1 more source

Identification of Hammerstein Systems with Quantized Observations

open access: yesSIAM Journal on Control and Optimization, 2010
Summary: This work is concerned with identification of Hammerstein systems whose outputs are measured by quantized sensors. The system consists of a memoryless nonlinearity that is polynomial and possibly noninvertible, followed by a linear subsystem. The parameters of linear and nonlinear parts are unknown but have known orders.
Zhao, Yanlong   +3 more
openaire   +3 more sources

Noise Reduction in the Swept Sine Identification Procedure of Nonlinear Systems

open access: yesApplied Sciences, 2021
The Hammerstein model identification technique based on swept sine excitation signals proved in numerous applications to be particularly effective for the definition of a model for nonlinear systems. In this paper we address the problem of the robustness
Pietro Burrascano, Matteo Ciuffetti
doaj   +1 more source

On coupled systems of Hammerstein integral equations

open access: yesBoundary Value Problems, 2019
In this paper we deal with generalized coupled systems of integral equations of Hammerstein type with nonlinearities depending on several derivatives of both variables and we underline that both equations and both variables can have a different ...
Robert de Sousa, Feliz Minhós
doaj   +1 more source

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