Partially-coupled nonlinear parameter optimization algorithm for a class of multivariate hybrid models

Y Zhou, X Zhang, F Ding - Applied Mathematics and Computation, 2022 - Elsevier
A key to the analysis and design of a dynamic system is to establish a suitable mathematical
model of the system. This paper investigates the parameter optimization problem of a class …

Iterative identification methods for a class of bilinear systems by using the particle filtering technique

M Li, X Liu - International Journal of Adaptive Control and …, 2021 - Wiley Online Library
This article mainly studies the iterative parameter estimation problems of a class of nonlinear
systems. Based on the auxiliary model identification idea, this article utilizes the estimated …

The data filtering based multiple‐stage Levenberg–Marquardt algorithm for Hammerstein nonlinear systems

Y Ji, Z Kang, X Liu - … Journal of Robust and Nonlinear Control, 2021 - Wiley Online Library
This article considers the parameter identification problem of multiple‐input single‐output
Hammerstein nonlinear systems. Applying the data filtering technique, the input–output data …

Auxiliary model‐based multi‐innovation recursive identification algorithms for an input nonlinear controlled autoregressive moving average system with variable‐gain …

Y Fan, X Liu - International Journal of Adaptive Control and …, 2022 - Wiley Online Library
For the parameter estimation problem of an input nonlinear controlled autoregressive
moving average system with variable‐gain nonlinearity, this article gives an analytical form …

A novel nonlinear optimization method for fitting a noisy Gaussian activation function

J Li, F Ding, T Hayat - … Journal of Adaptive Control and Signal …, 2022 - Wiley Online Library
It is significant to fit a Gaussian function with the observation data for artificial intelligence or
other engineering fields. Considering the influence of noises, this article proposes a …

Filtering‐based recursive least squares estimation approaches for multivariate equation‐error systems by using the multiinnovation theory

P Ma, L Wang - International Journal of Adaptive Control and …, 2021 - Wiley Online Library
This article researches the filtering‐based parameter estimation issues for a class of
multivariate control systems with colored noise. A filtering‐based recursive generalized …

A review of document image enhancement based on document degradation problem

Y Zhou, S Zuo, Z Yang, J He, J Shi, R Zhang - Applied Sciences, 2023 - mdpi.com
Document image enhancement methods are often used to improve the accuracy and
efficiency of automated document analysis and recognition tasks such as character …

Overall recursive least squares and overall stochastic gradient algorithms and their convergence for feedback nonlinear controlled autoregressive systems

C Wei, X Zhang, L Xu, F Ding… - International Journal of …, 2022 - Wiley Online Library
This article deals with the problems of the parameter estimation for feedback nonlinear
controlled autoregressive systems (ie, feedback nonlinear equation‐error systems). The …

Modified particle filtering‐based robust estimation for a networked control system corrupted by impulsive noise

X Wang, F Ding - International Journal of Robust and Nonlinear …, 2022 - Wiley Online Library
The non‐Gaussian characteristic of the impulsive noise significantly degrades the
performance of the‐norm‐based identification algorithms. To overcome the negative effects …

Moving data window-based partially-coupled estimation approach for modeling a dynamical system involving unmeasurable states

T Cui, F Ding, T Hayat - ISA transactions, 2022 - Elsevier
The simultaneous parameter and state estimation for a multi-input multi-output (MIMO) state
space system from a set of measurement data is taken into account in this paper. Firstly, in …