Auswahl der wissenschaftlichen Literatur zum Thema „Contrôlabilité approchée“
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Zeitschriftenartikel zum Thema "Contrôlabilité approchée"
Diaz, Jesús Ildefonso, und Jacques-Louis Lions. „Sur la contrôlabilité approchée de problèmes paraboliques avec phénomènes d'explosion“. Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 327, Nr. 2 (Juli 1998): 173–77. http://dx.doi.org/10.1016/s0764-4442(98)80083-9.
Der volle Inhalt der QuelleLi, Tatsien, und Bopeng Rao. „Critères du type de Kálmán pour la contrôlabilité approchée et la synchronisation approchée d'un système couplé d'équations des ondes“. Comptes Rendus Mathematique 353, Nr. 1 (Januar 2015): 63–68. http://dx.doi.org/10.1016/j.crma.2014.10.023.
Der volle Inhalt der QuelleDonato, Patrizia, und Aïssam Nabil. „Homogénéisation et contrôlabilité approchée de l'équation de la chaleur dans des domaines perforés“. Comptes Rendus de l'Académie des Sciences - Series I - Mathematics 324, Nr. 7 (April 1997): 789–94. http://dx.doi.org/10.1016/s0764-4442(97)86945-5.
Der volle Inhalt der QuelleDissertationen zum Thema "Contrôlabilité approchée"
Nabil, Aïssam. „Homogénéisation de l'équation de la chaleur et des ondes et application à la contrôlabilité approchée“. Rouen, 1998. http://www.theses.fr/1998ROUES027.
Der volle Inhalt der QuelleElghandouri, Mohammed. „Approximate Controllability for some Nonlocal Integrodifferential Equations in Banach Spaces“. Electronic Thesis or Diss., Sorbonne université, 2024. http://www.theses.fr/2024SORUS189.
Der volle Inhalt der QuelleControl theory is an interdisciplinary field that addresses the behavior of dynamical systems with the primary goal of managing their output. A specialized subset of this is mathematical control theory, which focuses on utilizing mathematical methods to analyze system behavior and design controllers. This involves applying differential equations, linear algebra, optimization, and various mathematical tools to comprehend, model, and regulate system behavior. These systems have extensive applications across robotics, automation, aerospace, electrical engineering, mechanical systems, robotics, biological and social systems, among others. Described by complex models such as partial differential equations, functional differential equations, and other infinite-dimensional models, these systems pose intricate challenges, rendering the analysis of their behavior a pivotal and intricate area of research. In recent years, the application of control theory to analyze and regulate the behavior of these systems has attracted significant attention. This thesis aims to investigate the approximate controllability of certain infinite-dimensional dynamical systems described by integrodifferential equations. The thesis is structured into three chapters, each addressing the problem of achieving approximate controllability in integrodifferential evolution equations equipped with nonlocal conditions. The first chapter introduces fundamental tools critical to establishing our main findings, including the theory of resolvent operators, multi-valued maps, duality mapping, mathematical control theory, and other essential concepts. Chapter 2 specifically focuses on the approximate controllability of semilinear integrodifferential evolution equations with nonlocal conditions of the form w(0)=w0+g(w). Here, assuming the linear part is precisely null and approximately controllable, we employ resolvent operator theory to present our main results. Chapter 3 centers on investigating the existence of mild solutions and the approximate controllability of integrodifferential evolution systems with multi-valued nonlocal conditions (w(0) belongs w0+g(w)). By using resolvent operator theory, we establish sufficient conditions for both existence and controllability. Introducing a general Kalman controllability criterion, we examine approximate controllability in linear cases and subsequently demonstrate it in nonlinear cases. Throughout these chapters, we provide illustrative examples to support our main findings
Koumaiha, Marwa. „Analyse numérique pour les équations de Hamilton-Jacobi sur réseaux et contrôlabilité / stabilité indirecte d'un système d'équations des ondes 1D“. Thesis, Paris Est, 2017. http://www.theses.fr/2017PESC1122/document.
Der volle Inhalt der QuelleThe aim of this work is mainly to study on the one hand a numerical approximation of a first order Hamilton-Jacobi equation posed on a junction. On the other hand, we are concerned with the stability and the exact indirect boundary controllability of coupled wave equations in a one-dimensional setting.Firstly, using the Crandall-Lions technique, we establish an error estimate of a finite difference scheme for flux-limited junction conditions, associated to a first order Hamilton-Jacobi equation. We prove afterwards that the scheme can generally be extended to general junction conditions. We prove then the convergence of the numerical solution towards the viscosity solution of the continuous problem. We adopt afterwards a new approach, using the Crandall-Lions technique, in order to improve the error estimates for the finite difference scheme already introduced, for a class of well chosen Hamiltonians. This approach relies on the optimal control interpretation of the Hamilton-Jacobi equation under consideration.Secondly, we study the stabilization and the indirect exact boundary controllability of a system of weakly coupled wave equations in a one-dimensional setting. First, we consider the case of coupling by terms of velocities, and by a spectral method, we show that the system is exactly controllable through one single boundary control. The results depend on the arithmetic property of the ratio of the propagating speeds and on the algebraic property of the coupling parameter. Furthermore, we consider the case of zero coupling parameter and we establish an optimal polynomial energy decay rate. Finally, we prove that the system is exactly controllable through one single boundary control
Youssef, Wael. „Contrôle et stabilisation de systèmes élastiques couplés“. Thesis, Metz, 2009. http://www.theses.fr/2009METZ017S/document.
Der volle Inhalt der QuelleThis thesis consists of two main parts. In the fi#rst part, it treats the indirect internal observability and exact controllability of a weakly coupled hyperbolic system and of the Timoshenko system. The second part is devoted to the study of problems concerning the direct stabilization of the Bresse system by non-linear feedbacks using multiplier method and integral inequality techniques, and its indirect stabilization only by two locally distributed feedbacks at the neighborhood of the boundary using the frequency domain method. Is treated in this part also the indirect stabilization of the Timoshenko system subject to a single feedback locally distributed at the neighborhood of the boundary
Youssef, Wael. „Contrôle et stabilisation de systèmes élastiques couplés“. Electronic Thesis or Diss., Metz, 2009. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/2009/Wael.Youssef.SMZ0917.pdf.
Der volle Inhalt der QuelleThis thesis consists of two main parts. In the fi#rst part, it treats the indirect internal observability and exact controllability of a weakly coupled hyperbolic system and of the Timoshenko system. The second part is devoted to the study of problems concerning the direct stabilization of the Bresse system by non-linear feedbacks using multiplier method and integral inequality techniques, and its indirect stabilization only by two locally distributed feedbacks at the neighborhood of the boundary using the frequency domain method. Is treated in this part also the indirect stabilization of the Timoshenko system subject to a single feedback locally distributed at the neighborhood of the boundary