Observer design for a class of nonlinear ...
Document type :
Autre communication scientifique (congrès sans actes - poster - séminaire...): Communication dans un congrès avec actes: Conférence invitée
Title :
Observer design for a class of nonlinear systems under a persistent excitation
Author(s) :
Gamiochipi, J [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Ghanes, M [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Aggoune, Woihida [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Deleon, J [Auteur]
Instituto de Ingeniería [Mexico]
Barbot, Jean-Pierre [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Non-Asymptotic estimation for online systems [NON-A]
Laboratoire QUARTZ [QUARTZ ]
Ghanes, M [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Aggoune, Woihida [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Deleon, J [Auteur]
Instituto de Ingeniería [Mexico]
Barbot, Jean-Pierre [Auteur]
Laboratoire QUARTZ [QUARTZ ]
Non-Asymptotic estimation for online systems [NON-A]
Conference title :
10th IFAC Symposium on Nonlinear Control Systems, NOLCOS,
City :
Monterey
Country :
Etats-Unis d'Amérique
Start date of the conference :
2016-08-23
Publication date :
2016-06-19
English keyword(s) :
Nonlinearity
Robust Observers
Time-Delay
Lyapunov Function
Robust Observers
Time-Delay
Lyapunov Function
HAL domain(s) :
Sciences de l'ingénieur [physics]/Automatique / Robotique
English abstract : [en]
The problem of state reconstruction from input and output measurements for nonlinear time delay systems remain open in many cases. In this paper we propose an adaptive observer to solve this problem for a class of unknown ...
Show more >The problem of state reconstruction from input and output measurements for nonlinear time delay systems remain open in many cases. In this paper we propose an adaptive observer to solve this problem for a class of unknown variable time-delay nonlinear systems where the state matrix depends on the input persistency excitation. To achieve this we combine the use of a Kalman-like observer with a suitable choice for the Lyapunov-Krasovskii functional. This is done under a sufficient number of hypothesis to guarantee the convergence of the observer inside a sphere depending of the delay upper bound. The proposed strategy is tested in simulation by considering a mixed piece-wise and sinusoid time delay function and its efficiency when the problem of persistency excitation occurs.Show less >
Show more >The problem of state reconstruction from input and output measurements for nonlinear time delay systems remain open in many cases. In this paper we propose an adaptive observer to solve this problem for a class of unknown variable time-delay nonlinear systems where the state matrix depends on the input persistency excitation. To achieve this we combine the use of a Kalman-like observer with a suitable choice for the Lyapunov-Krasovskii functional. This is done under a sufficient number of hypothesis to guarantee the convergence of the observer inside a sphere depending of the delay upper bound. The proposed strategy is tested in simulation by considering a mixed piece-wise and sinusoid time delay function and its efficiency when the problem of persistency excitation occurs.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
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