A mechanism-data hybrid-driven framework for identifying dynamic characteristic of actual chemical processes

Y Li, Z Yang, X Deng, N Li, S Li, Z Lei… - … Research and Design, 2023 - Elsevier
As a prerequisite of accurate process analysis, prediction and optimization, the precise
identification of process dynamic characteristics is of great significance. Traditional …

Biased compensation recursive least squares-based threshold algorithm for time-delay rational models via redundant rule

J Chen, QM Zhu, J Li, YJ Liu - Nonlinear Dynamics, 2018 - Springer
This paper develops a biased compensation recursive least squares-based threshold
algorithm for a time-delay rational model. The time-delay rational model is transformed into …

Identification methods for time-delay systems based on the redundant rules

J Chen, J Ma, Y Liu, F Ding - Signal Processing, 2017 - Elsevier
Two identification methods based on the redundant rules are proposed for a class of
systems with unknown time-delays. One is the recursive least squares based redundant …

Parameter and state estimation of nonlinear fractional-order model using Luenberger observer

S Marzougui, S Bedoui, A Atitallah… - Circuits, Systems, and …, 2022 - Springer
This paper addresses both the problems of identification and state estimation of the class of
nonlinear fractional systems. Using the combined state and parameter estimation approach …

Ridge regression and lasso regression based least squares algorithm for a time-delayed rational model via redundant rule

Z Zhang, J Chen, Y Mao - International Journal of Modelling …, 2022 - inderscienceonline.com
This paper proposes a ridge regression based least squares algorithm (LS-RR) and a three
stage lasso regression based least squares algorithm (TS-LS-LR) for a rational model with …

A novel iterative system identification and modeling scheme with simultaneous time-delay and rational parameter estimation

S Sharma, PK Padhy - IEEE Access, 2020 - ieeexplore.ieee.org
In this work, a new method is proposed to identify systems in the form of first and second-
order continuous time-delayed (CTD) models where time-delay and rational parameters are …

Time-delay Hammerstein system identification using modified cross-correlation method and variable stacking length multi-error algorithm

S Jing - Mathematics and Computers in Simulation, 2023 - Elsevier
In this paper, the identification of a time delay Hammerstein system is considered. Based on
a normalized Gaussian white input, a cross-correlation function increment method is …

Optimal systematic determination of models' base for multimodel representation: real time application

M Ltaief, A Messaoud, R Ben Abdennour - International Journal of …, 2014 - Springer
The multimodel approach is a powerful and practical tool to deal with analysis, modeling,
observation, emulation and control of complex systems. In the modeling framework, we …

Hierarchical gradient based identification of discrete-time delay systems

S Bedoui, M Ltaïef, K Abderrahim - 52nd IEEE Conference on …, 2013 - ieeexplore.ieee.org
In this paper, we apply a hierarchical identification principle to identify simultaneously the
unknown time delay and dynamic parameters of discrete-time delay systems. In our …

Dependence Measure and Wolfe-Powell Criterion Based Two-stage Algorithm for Identification of Time Delay FIR Models

W Li, S Jing, B Yang - International Journal of Control, Automation and …, 2023 - Springer
Time delay dynamic systems are widely existed due to sensors, actuators or other reasons.
In this paper, a time delay FIR system is considered to model linear dynamic systems. The …