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

Dalil Ichalal | Zendy; S. Mammar | Zendy; José Ragot | Zendy

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

Author(s) -

Dalil Ichalal,

S. Mammar,

José Ragot

Publication year - 2016

Publication title -

ifac-papersonline

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.308

H-Index - 72

eISSN - 2405-8971

pISSN - 2405-8963

DOI - 10.1016/j.ifacol.2016.07.080

Subject(s) - premise , weighting , control theory (sociology) , nonlinear system , system dynamics , observer (physics) , mathematics , state variable , transformation (genetics) , computer science , artificial intelligence , control (management) , philosophy , linguistics , physics , biochemistry , chemistry , quantum mechanics , gene , thermodynamics , medicine , radiology

International audienceIn 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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