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Event-based control of networks modeled by a class of infinite dimensional systems

Abstract : This thesis provides contributions on event-based control of networks model by a class of infinite dimensional systems. We first focus on the modeling and boundary control of networks described by hyperbolic systems of conservation laws. Highly inspired by macroscopic models in communication networks, we deal with a coupled PDE-ODE, where the nodes (servers) are modeled by nonlinear ODEs whereas transmission lines are described by hyperbolic equations when communication delays may be taken into account. For the resulting linearized system around an optimal equilibrium point, Input-to state stability (ISS) analysis as well as asymptotic gain control synthesis are carried out by means of Lyapunov techniques and LMI formulation.We then address some theoretical aspects of event-based boundary control of hyperbolic systems. One one hand, with this computer control strategy, we intend to reduce energy consumption when dealing with communication and computational constraints. On the other hand, we use this strategy as a rigorous way of sampling in time when implementation of continuous time controllers on a digital platform is required. A mathematical study regarding well-posedness of the solutions as well as stability issues is conducted.
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Submitted on : Thursday, January 25, 2018 - 5:09:06 PM
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  • HAL Id : tel-01693069, version 1


Nicolás Espitia Hoyos. Event-based control of networks modeled by a class of infinite dimensional systems. Automatic. Université Grenoble Alpes, 2017. English. ⟨NNT : 2017GREAT038⟩. ⟨tel-01693069⟩



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