Title :
On finite time observer design for multicellular converter
Author :
Defoort, Michael ; Djemaï, Mohamed ; Floquet, Thierry ; Perruquetti, Wilfrid
Author_Institution :
Univ Lille Nord de France, Lille, France
Abstract :
The aim of this paper is to estimate the capacitor´s voltages by tacking the hybrid behavior of the multicellular converter into account. A nonlinear finite time observer is given in order to solve this problem. The stability and properties of the proposed homogeneous finite time observer are studied using Lyapunov theory. Our approach enables the stabilization of the observation errors in spite of the presence of perturbations. Simulations highlight the efficiency of the proposed strategy.
Keywords :
Lyapunov methods; capacitors; control system synthesis; observers; power convertors; stability; variable structure systems; Lyapunov theory; capacitor voltages; finite time observer design; hybrid behavior; multicellular converter; nonlinear finite time observer; observation errors; perturbations; stability; stabilization; Capacitors; Convergence; Lyapunov method; Robust stability; Robustness; Switches; Switching converters; Switching frequency; Variable structure systems; Voltage control; finite time stability; higher order sliding mode; multicellular converter; nonlinear observer; switched system;
Conference_Titel :
Variable Structure Systems (VSS), 2010 11th International Workshop on
Conference_Location :
Mexico City
Print_ISBN :
978-1-4244-5829-5
Electronic_ISBN :
978-1-4244-5830-1
DOI :
10.1109/VSS.2010.5544717
