Boundary control of the Maxwell dynamical system : lack of controllability by topological reasons
Mikhail Belishev, Aleksandr Glasman (2000)
ESAIM: Control, Optimisation and Calculus of Variations
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Mikhail Belishev, Aleksandr Glasman (2000)
ESAIM: Control, Optimisation and Calculus of Variations
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Lasiecka, I., Triggiani, R. (2003)
Abstract and Applied Analysis
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John E. Lagnese (2001)
ESAIM: Control, Optimisation and Calculus of Variations
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This paper studies the exact controllability of the Maxwell system in a bounded domain, controlled by a current flowing tangentially in the boundary of the region, as well as the exact controllability the same problem but perturbed by a dissipative term multiplied by a small parameter in the boundary condition. This boundary perturbation improves the regularity of the problem and is therefore a singular perturbation of the original problem. The purpose of the paper is to examine the...
M. M. Cavalcanti (1999)
Archivum Mathematicum
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In this paper we study the boundary exact controllability for the equation when the control action is of Dirichlet-Neumann form and is a bounded domain in . The result is obtained by applying the HUM (Hilbert Uniqueness Method) due to J. L. Lions.
George Weiss, Marius Tucsnak (2003)
ESAIM: Control, Optimisation and Calculus of Variations
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Let be a possibly unbounded positive operator on the Hilbert space , which is boundedly invertible. Let be a bounded operator from to another Hilbert space . We prove that the system of equations determines a well-posed linear system with input and output . The state of this system is where is the state space. Moreover, we have the energy identity We show that the system described...
Bopeng Rao (2001)
ESAIM: Control, Optimisation and Calculus of Variations
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We consider the exact controllability of a hybrid system consisting of an elastic beam, clamped at one end and attached at the other end to a rigid antenna. Such a system is governed by one partial differential equation and two ordinary differential equations. Using the HUM method, we prove that the hybrid system is exactly controllable in an arbitrarily short time in the usual energy space.