Results 11 to 20 of about 25,230 (166)

Identification of Wiener Systems with Recursive Gauss-Seidel Algorithm

open access: yesElektronika ir Elektrotechnika, 2023
The Recursive Gauss-Seidel (RGS) algorithm is presented that is implemented in a one-step Gauss-Seidel iteration for the identification of Wiener output error systems.
Metin Hatun
doaj   +1 more source

Recursive Least Squares Parameter Estimation Algorithms for a Class of Nonlinear Stochastic Systems With Colored Noise Based on the Auxiliary Model and Data Filtering

open access: yesIEEE Access, 2019
This paper considers the parameter identification for a class of nonlinear stochastic systems with colored noise. We filter the input-output data by using an estimated noise transfer function and obtain two identification models, one containing the ...
Longjin Wang, Yan He
doaj   +1 more source

Recursive Method in Modal Parameter Identification of Aerospace Structures under Non-Gaussian Noise

open access: yesShock and Vibration, 2020
Operational modal parameter identification is a tough problem in aerospace engineering due to the complex mechanics environment, various noises, and limited computational resources.
Lei Yu   +4 more
doaj   +1 more source

Graphical Condition for Identification in recursive SEM

open access: yesCoRR, 2006
The paper concerns the problem of predicting the effect of actions or interventions on a system from a combination of (i) statistical data on a set of observed variables, and (ii) qualitative causal knowledge encoded in the form of a directed acyclic graph (DAG).
Brito, Carlos, Pearl, Judea
openaire   +4 more sources

Coupled Least Squares Identification Algorithms for Multivariate Output-Error Systems

open access: yesAlgorithms, 2017
This paper focuses on the recursive identification problems for a multivariate output-error system. By decomposing the system into several subsystems and by forming a coupled relationship between the parameter estimation vectors of the subsystems, two ...
Wu Huang, Feng Ding
doaj   +1 more source

Recursive Delta-Operator-Based Subspace Identification with Fixed Data Size

open access: yesComplexity, 2023
This paper proposes a recursive delta-operator-based subspace identification method with fixed data size. The majority of existing subspace identification methods are constrained to discrete-time systems because of the disparity in Hankel matrices ...
Miao Yu   +3 more
doaj   +1 more source

On-line identification method of time-variable parameter of DC motor

open access: yesGong-kuang zidonghua, 2014
In view of problem that parameters of DC motor such as armature impedance and rotor rotating momentum may change with operating environment and working conditions of the motor, resulting in control failure of the system, an on-line identification method ...
GUO Xinjun, CHEN Suxia
doaj   +1 more source

Regularized Least Squares Recursive Algorithm with Forgetting Factor for Identifying Parameters in the Grinding Process

open access: yesJournal of Mathematics, 2022
This paper investigates a parameter identification problem in the grinding process. Due to the data saturated phenomenon and the ill-posed of parameter identification inverse problem, this paper presents a regularized least squares recursive algorithm ...
Yang Yu   +5 more
doaj   +1 more source

Recursive Algorithms for Multivariable Output-Error-Like ARMA Systems

open access: yesMathematics, 2019
This paper studies the parameter identification problems for multivariable output-error-like systems with colored noises. Based on the hierarchical identification principle, the original system is decomposed into several subsystems.
Hao Ma   +6 more
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

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