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Parametric and Coordinate Control of Oscillating Systems: Physics-Based Oscillation Feedback Design

open access: yesIEEE Access, 2021
This paper presents and compares two practical implementation schemes based on parametric and coordinate control. The parametric feedback control idea employs a parametric resonance phenomenon.
Leonid Chechurin   +3 more
doaj   +1 more source

Practical stability of time‐varying positive systems with time delay

open access: yesIET Control Theory & Applications, 2021
This paper considers the problem of practical stability for time‐varying positive systems with time delay. For both non‐linear time‐varying positive systems and linear time‐varying positive (LTVP) systems with time delay, sufficient conditions on ...
Ruonan Li, Ping Zhao
doaj   +1 more source

Adaptive Data-Driven Control for Linear Time Varying Systems

open access: yesMachines, 2021
In this paper, we propose an adaptive data-driven control approach for linear time varying systems, affected by bounded measurement noise. The plant to be controlled is assumed to be unknown, and no information in regard to its time varying behaviour is ...
Talal Abdalla
doaj   +1 more source

Distributed event‐triggered cooperative H∞ load frequency control for interconnected networked power systems

open access: yesIET Energy Systems Integration, 2021
Interconnected communication time‐varying delays between subsystems for large scale distributed networked power systems (DNPSs) are studied in this work. Distributed event‐triggered mechanisms‐based interconnected DNPSs and their cooperative H∞ stability
Zhihong Huo, Chang Xu
doaj   +1 more source

A formula for the lower Bohl exponent of discrete time-varying systems [PDF]

open access: yesArchives of Control Sciences, 2023
In this note, a formula for the lower Bohl exponent of a discrete system with variable coefficients and weak variation was proved. This formula expresses the Bohl exponent through the eigenvalues of the coefficient matrix.
Adam Czornik, Krzysztof Simek
doaj   +1 more source

Finite-time stability of discrete-time systems with time-varying delay [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2012
Finite-time stability can be used in all applications where large values of the state are not acceptable. In this paper, finite-time stability problem for a class of linear time-varying delay systems is studied. Based on Lyapunov-like functions method
Stojanović Sreten B.   +2 more
doaj   +1 more source

An improved stability criterion for discrete-time time-delayed Lur'e system with sector-bounded nonlinearities

open access: yesAutomatika, 2022
The absolute stability problem of discrete-time time-delayed Lur'e systems with sector bounded nonlinearities is investigated in this paper. Firstly, a modified Lyapunov-Krasovskii functional (LKF) is designed with augmenting additional double summation ...
Lijuan Zhu, Chengyun Zhu
doaj   +1 more source

Equivalent conditions of finite-time time-varying output-feedback control for discrete-time positive time-varying linear systems

open access: yesCogent Engineering, 2020
This paper studies the issue of finite-time time-varying output-feedback control for positive time-varying discrete-time linear systems. Finite-time stability for the systems with positivity is defined.
Jason J. R. Liu   +4 more
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

Design and analysis of recurrent neural network models with non‐linear activation functions for solving time‐varying quadratic programming problems

open access: yesCAAI Transactions on Intelligence Technology, 2021
A special recurrent neural network (RNN), that is the zeroing neural network (ZNN), is adopted to find solutions to time‐varying quadratic programming (TVQP) problems with equality and inequality constraints.
Xiaoyan Zhang   +5 more
doaj   +1 more source

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