Results 1 to 10 of about 421 (88)

Exact Null Controllability of a Wave Equation with Dirichlet–Neumann Boundary in a Non-Cylindrical Domain

open access: yesMathematics, 2023
In this paper, by applying the Hilbert Uniqueness Method in a non-cylindrical domain, we prove the exact null controllability of one wave equation with a moving boundary.
Lizhi Cui, Jing Lu
doaj   +3 more sources

Exact Null Controllability of a One-Dimensional Wave Equation with a Mixed Boundary

open access: yesMathematics, 2023
In this paper, exact null controllability of one-dimensional wave equations in non-cylindrical domains was discussed. It is different from past papers, as we consider boundary conditions for more complex cases.
Lizhi Cui, Jing Lu
doaj   +3 more sources

Heating control of a finite rod with a mobile source [PDF]

open access: yesArchives of Control Sciences, 2021
The Green’s function approach is applied for studying the exact and approximate nullcontrollability of a finite rod in finite time by means of a source moving along the rod with controllable trajectory.
Samvel H. Jilavyan   +2 more
doaj   +1 more source

Exact controllability of infinite dimensional hyperbolic bilinear systems

open access: yesPartial Differential Equations in Applied Mathematics, 2021
The present study delineates the exact controllability at time T of infinite dimensional hyperbolic system with bilinear distributed controls. It consists in providing suitable controls that allow exact controllability of such a system to a target state ...
Abella El kabouss, El Hassan Zerrik
doaj   +1 more source

Review of the Latest Progress in Controllability of Stochastic Linear Systems and Stochastic GE-Evolution Operator

open access: yesMathematics, 2021
According to the spatial dimension, equation type, and time sequence, the latest progress in controllability of stochastic linear systems and some unsolved problems are introduced. Firstly, the exact controllability of stochastic linear systems in finite
Zhaoqiang Ge
doaj   +1 more source

On Boundary Null Controllability of Strongly Degenerate Hyperbolic Systems on Star-Shaped Planar Network

open access: yesJournal of Optimization, Differential Equations and Their Applications, 2021
In this paper we discuss the problem of boundary exact null controllability for weakly and strongly degenerate linear wave equation defined on star-shaped planar network. The network is represented by a singular measure in a bounded planar domain.
Peter I. Kogut   +2 more
doaj   +1 more source

On exact controllability and complete stabilizability for linear systems

open access: yesVisnik Harkivsʹkogo Nacionalʹnogo Universitetu im. V.N. Karazina. Cepiâ Matematika, Prikladna Matematika i Mehanika, 2021
In this paper we consider linear systems with control described by the equation $\dot x = \mathcal A x +\mathcal B u$ where functions u and x take values in U and X respectively.
Rabah Rabah
doaj   +1 more source

On the exact controllability of a nonlinear stochastic heat equation

open access: yesAbstract and Applied Analysis, 2006
The exact controllability of a nonlinear stochastic heat equation with null Dirichlet boundary conditions, nonzero initial and target values, and an interior control is established.
Bui An Ton
doaj   +2 more sources

Nonequivalence of Controllability Properties for Piecewise Linear Markov Switch Processes *

open access: yesESAIM: Proceedings and Surveys, 2017
In this paper we study the exact null-controllability property for a class of controlled PDMP of switch type with switch-dependent, piecewise linear dynamics and multiplicative jumps.
Goreac Dan
doaj   +1 more source

Exact null controllability, complete stabilizability and continuous final observability of neutral type systems

open access: yesInternational Journal of Applied Mathematics and Computer Science, 2017
For abstract linear systems in Hilbert spaces we revisit the problems of exact controllability and complete stabilizability (stabilizability with an arbitrary decay rate), the latter property being related to exact null controllability.
Rabah Rabah   +2 more
doaj   +1 more source

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