An identification algorithm of generalized time-varying systems based on the Taylor series expansion and applied to a pH process

Y Ji, J Liu, H Liu - Journal of Process Control, 2023 - Elsevier
This paper studies the generalized time-varying systems identification problem by means of
a time-varying parameter expression. The basic idea is to propose an extended stochastic …

Recursive identification methods for general stochastic systems with colored noises by using the hierarchical identification principle and the filtering identification idea

F Ding, L Xu, X Zhang, Y Zhou, X Luan - Annual Reviews in Control, 2024 - Elsevier
This article reviews and investigates several basic recursive parameter identification
methods for a general stochastic system with colored noise (ie, output-error autoregressive …

Least squares parameter estimation and multi-innovation least squares methods for linear fitting problems from noisy data

F Ding - Journal of Computational and Applied Mathematics, 2023 - Elsevier
Least squares is an important method for solving linear fitting problems and quadratic
optimization problems. This paper explores the properties of the least squares methods and …

Filtered auxiliary model recursive generalized extended parameter estimation methods for Box–Jenkins systems by means of the filtering identification idea

F Ding, L Xu, X Zhang, Y Zhou - International Journal of Robust …, 2023 - Wiley Online Library
For equation‐error autoregressive moving average systems, that is, Box–Jenkins systems,
this paper presents a filtered auxiliary model generalized extended stochastic gradient …

Separable synthesis gradient estimation methods and convergence analysis for multivariable systems

L Xu, F Ding - Journal of Computational and Applied Mathematics, 2023 - Elsevier
This paper studies the parameter identification problem for a large-scale multivariable
systems. In terms of the identification obstacle causing by huge amounts of parameters of …

Parameter estimation for nonlinear functions related to system responses

L Xu - International Journal of Control, Automation and …, 2023 - Springer
This paper considers the parameter estimation problem of nonlinear models, which are
related to the impulse or step response functions of linear time-invariant (LTI) dynamical …

Hierarchical recursive least squares estimation algorithm for secondorder Volterra nonlinear systems

J Pan, S Liu, J Shu, X Wan - … Journal of Control, Automation and Systems, 2022 - Springer
This paper considers the parameter identification problems of a Volterra nonlinear system. In
order to overcome the excessive calculation amount of the Volterra systems, a hierarchical …

Hierarchical gradient‐and least‐squares‐based iterative estimation algorithms for input‐nonlinear output‐error systems from measurement information by using the …

F Ding, L Xu, X Zhang, H Ma - International Journal of Robust …, 2024 - Wiley Online Library
This article investigates the parameter identification problems of the stochastic systems
described by the input‐nonlinear output‐error (IN‐OE) model. This IN‐OE model consists of …

Short-term prediction method of blood glucose based on temporal multi-head attention mechanism for diabetic patients

G Yang, S Liu, Y Li, L He - Biomedical Signal Processing and Control, 2023 - Elsevier
The hyperglycemic state of people with diabetes can lead to metabolic and healthy
disturbances in the body. Diabetes is mainly treated clinically by conservative treatment …

Abnormal sitting posture recognition based on multi-scale spatiotemporal features of skeleton graph

L Li, G Yang, Y Li, D Zhu, L He - Engineering Applications of Artificial …, 2023 - Elsevier
To fuse the spatial dimension, temporal dimension, and whole-body skeleton features of
human abnormal sitting posture to improve the recognition accuracy, we propose an …