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UID:437@cran.univ-lorraine.fr
DTSTART;TZID=Europe/Paris:20240708T150000
DTEND;TZID=Europe/Paris:20240708T180000
DTSTAMP:20240707T083239Z
URL:https://www.cran.univ-lorraine.fr/events/soutenance-these-israel-isaac
 -zetina-rios/
SUMMARY:Soutenance these Israel Isaac ZETINA RIOS
DESCRIPTION:Encadrent: M. Darouach et M. Alma\n\ncotutelle Mexique\, thèse
  financée par CONACYT\, soutenance à distance.\n\nIn this thesis\, the d
 esign of observers for nonlinear parameter-varying algebro-differential sy
 stems and their applications in fault estimation and parameter estimation 
 are studied. Nonlinear algebro-differential parameter-varying systems allo
 w the preservation of nonlinearities and a better understanding of the equ
 ations involved in the analyzed model\, as well as a broader operating ran
 ge.\nThe observer designed in this work is known as the generalized dynami
 c observer (GDO). The concept involves incorporating dynamics structure to
  augment its degrees of freedom\, with the goal of achieving accuracy in s
 teady-state and improve robustness in estimation error against disturbance
 s and uncertainties in parameters.\nThe main idea is to use the advantages
  of this generalized structure to propose various methodologies for nonlin
 ear parameter-varying  algebro-differential systems\, thus creating a mo
 re general framework than those existing in the literature.\nDifferent est
 imation algorithms are presented to obtain diverse observer structures. Th
 e asymptotic stability of the obtained observers is analyzed through Lyapu
 nov approach using Linear Matrix Inequalities (LMI)\, and the elimination 
 lemma\, which is used to transform these LMIs while preserving the general
 ized structure of the observers.\nFinally\, to illustrate the effectivenes
 s of the proposed approaches\, the performances of the presented observers
  are evaluated through some engineering applications.
CATEGORIES:Département CID,Soutenances thèses et HDR
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