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Second order sliding mode and adaptive observer for synchronization of a chaotic system: a comparative study

Francisco J. Bejarano 1 Malek Ghanes 1 Jean-Pierre Barbot 1, 2 Leonid Fridman 1
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
Abstract : In this paper two nonlinear observers for a chaotic system are compared. Moreover, the left invertible problem and the observability singularity are discussed. Thus, after a presentation of both observers, a comparison of the two proposed methods and a discussion are done on the basis of simulations results. The last part highlights the fact that the finite time observer is more sensible to the singularity observations, but less sensible to parameter uncertainties and noise in the output of the system.
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https://hal.inria.fr/inria-00345027
Contributor : Malek Ghanes <>
Submitted on : Tuesday, December 9, 2008 - 10:42:02 AM
Last modification on : Tuesday, November 24, 2020 - 2:18:20 PM
Long-term archiving on: : Monday, June 7, 2010 - 10:28:44 PM

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Francisco J. Bejarano, Malek Ghanes, Jean-Pierre Barbot, Leonid Fridman. Second order sliding mode and adaptive observer for synchronization of a chaotic system: a comparative study. IFAC World Congress, Jul 2008, Séoul, North Korea. ⟨inria-00345027⟩

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