Control of a remote system over network including delays and packet dropout

Alexandre Seuret 1 Jean-Pierre Richard 2, 3, *
* Corresponding author
2 ALIEN - Algebra for Digital Identification and Estimation
Inria Lille - Nord Europe, Inria Saclay - Ile de France, Ecole Centrale de Lille, X - École polytechnique, CNRS - Centre National de la Recherche Scientifique : UMR8146
3 SyNeR - Systèmes Non Linéaires et à Retards
CRIStAL - Centre de Recherche en Informatique, Signal et Automatique de Lille (CRIStAL) - UMR 9189
Abstract : This work concerns the observer-based control of a remote, Master-Slave system through the Internet network. This communication link introduces variable, asymmetric and unpredictable delays, as well as packet loss. The data-sampling effects are also taken into account, even in the aperiodic case. Whereas the existing strategies require additional buffers, allowing the delay to become constant, the present result uses the information as soon as received. The proposed Lyapunov-Krasovskii functionals and LMI algorithms provide controller and observer gains which ensure the asymptotic stability of the global closed loop. The maximum admissible number of successive packets dropouts is also computed. The last part of the paper provides a simulation, where the Slave is a second-order system.
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Alexandre Seuret, Jean-Pierre Richard. Control of a remote system over network including delays and packet dropout. 17th IFAC World Congress, IFAC, Jul 2008, Seoul, South Korea. ⟨inria-00266450⟩

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