Auxiliary dynamics for observer design of nonlinear TS systems with unmeasurable premise variables

Dalil Ichalal 1 Said Mammar 1 José Ragot 2
1 IBISC - Informatique, Biologie Intégrative et Systèmes Complexes
2 CRAN - Centre de Recherche en Automatique de Nancy
Abstract : In this paper, the problem of observers for Takagi-Sugeno (TS) models with unmeasurable premise variables is investigated and a new design approach is proposed. The idea, is motivated by the immersion techniques and auxiliary dynamics generation, and consists in the transformation of the TS system with state dependent weighting functions in a new TS system with weighting functions depending only on the measured variables. This result aims to relax the strong conditions used in the design of observers for TS systems with unmeasurable premise variables. Illustrative examples are provided to discuss the performances of the proposed approach.
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Conference papers
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https://hal.archives-ouvertes.fr/hal-01287400
Contributor : José Ragot <>
Submitted on : Sunday, March 13, 2016 - 6:16:43 AM
Last modification on : Wednesday, November 13, 2019 - 1:02:53 AM

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CNRS | UNIV-EVRY | CRAN | TDS-MACS | UNIV-LORRAINE | IBISC | IBISC-SIBI | UNIV-PARIS-SACLAY

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Dalil Ichalal, Said Mammar, José Ragot. Auxiliary dynamics for observer design of nonlinear TS systems with unmeasurable premise variables. 4th IFAC International Conference on Intelligent Control and Automation Sciences, ICONS 2016, Jun 2016, Reims, France. pp.1--6, ⟨10.1016/j.ifacol.2016.07.080⟩. ⟨hal-01287400⟩

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