Results 11 to 20 of about 4,056,093 (238)

Distributed Control of Nonlinear Systems With Unknown Time-Varying Control Coefficients: A Novel Nussbaum Function Approach

open access: yesIEEE Transactions on Automatic Control, 2023
In this article, distributed control of uncertain multiagent systems (MAS) with completely unknown nonlinearities, unknown time-varying control coefficients, and multiple unknown control directions is investigated.
Zongcheng Liu   +3 more
semanticscholar   +1 more source

Stochastic Adaptive Control for Exponentially Convergent Time-Varying Systems [PDF]

open access: yesSIAM Journal on Control and Optimization, 1984
There is considered the adaptive control of a time-varying finite- dimensional stochastic system having an autoregressive moving average representation. The unknown, time-varying parameters of the system are estimated by a stochastic gradient minimum variance algorithm.
Goodwin, Graham C   +2 more
openaire   +4 more sources

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

Finite-Time Non-Fragile Extended Dissipative Control of Periodic Piecewise Time-Varying Systems

open access: yesIEEE Access, 2020
This paper studies the problem of finite-time non-fragile extended dissipative control for the periodic piecewise time-varying systems. First, based on the time-varying Lyapunov matrix and the matrix polynomial condition, a sufficient condition of finite-
Yun Liu   +3 more
doaj   +1 more source

Discrete‐time modelling methodology of networked control systems under packet delay and dropout

open access: yesIET Cyber-Physical Systems, 2023
Models and control techniques for networked control systems (NCSs) can be divided into continuous‐time and discrete‐time types. Unlike the continuous‐time analysis, literature on discrete‐time analysis and control of NCSs under packet delay and dropout ...
Kamran Mohajeri   +3 more
doaj   +1 more source

Robust Finite-Time Output Feedback Control for Systems With Unpredictable Time-Varying Disturbances

open access: yesIEEE Access, 2020
This work presents a robust finite-time output feedback control method for a number of nonlinear systems that suffer unpredictable time-varying disturbances. The developed method takes advantage of control techniques based on a finite-time state observer
Huiming Wang   +3 more
doaj   +1 more source

Stochastic exponential stabilization of hybrid systems with time‐varying delays via adaptive control

open access: yesElectronics Letters, 2021
The problem of stochastic stabilization for a class of hybrid dynamical systems with time‐varying delays is investigated by adaptive control approach.
Xiuli He, Huiyan Zhang
doaj   +1 more source

Analysis of unconstrained nonlinear MPC schemes with time varying control horizon [PDF]

open access: yes, 2010
For discrete time nonlinear systems satisfying an exponential or finite time controllability assumption, we present an analytical formula for a suboptimality estimate for model predictive control schemes without stabilizing terminal constraints. Based on
Grüne, Lars   +3 more
core   +3 more sources

Synchronisation of multiple neural networks via event‐triggered time‐varying delay hybrid impulsive control

open access: yesIET Control Theory & Applications, 2021
This article discusses the exponential synchronisation problem for multiple neural networks with time‐varying delay and a more general non‐Laplacian coupling matrix is considered.
Xiaoli Ruan   +4 more
doaj   +1 more source

Direct Data-Driven Control of Linear Time-Varying Systems [PDF]

open access: yesIEEE Transactions on Automatic Control, 2021
Considering discrete-time linear time-varying systems with unknown dynamics, controllers guaranteeing bounded closed-loop trajectories, optimal performance, and robustness to process and measurement noise are designed via convex feasibility and ...
Benita Nortmann, T. Mylvaganam
semanticscholar   +1 more source

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