Sliding mode observer design based linear matrix inequality approach for a Three-Cell Converter

Samir Khelouat, Atallah Benalia, Taous-Meriem Laleg-Kirati, Djamel Boukhetala

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, a sliding mode observer has been designed to estimate the floating capacitor voltages of the three cell converter. Due to its hybrid behavior, a new concept recently introduced based on geometrical condition is applied to analyze the observability along of a hybrid time trajectory, which leads to a necessary and sufficient condition in term of switching control sequence, under which the capacitor voltages can be reconstructed. The convergence of the observed floating voltages to their references is related to the existence of a solution to a linear matrix inequality. Finally, simulation results are given to illustrate the efficiency of the designed observer.
Original languageEnglish (US)
Title of host publication2018 6th International Conference on Control Engineering & Information Technology (CEIT)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISBN (Print)9781538676417
DOIs
StatePublished - Oct 2018

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