Temat: nonlinear observer - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Separation Principle for Nonlinear Systems: a Bilinear Approach
Autorzy:: Hammani, M. A.
Jerbi, H.
Powiązania:: https://bibliotekanauki.pl/articles/908331.pdf
Data publikacji:: 2001
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: układ nieliniowy
układ dwuliniowy
obserwator
stabilizacja
nonlinear systems
bilinear systems
observer
stabilization
Opis:: In this paper we investigate the local stabilizability of single-input nonlinear affine systems by means of an estimated state feedback law given by a bilinear observer. The associated bilinear approximating system is assumed to be observable for any input and stabilizable by a homogeneous feedback law of degree zero. Furthermore, we discuss the case of planar systems which admit bad inputs (i.e. the ones that make bilinear systems unobservable). A separation principle for such systems is given.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2001, 11, 2; 481-492
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Integrated design of observer based fault detection for a class of uncertain nonlinear systems
Autorzy:: Chen, W.
Khan, A, Q.
Abid, M.
Ding, S. X.
Powiązania:: https://bibliotekanauki.pl/articles/907595.pdf
Data publikacji:: 2011
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: detekcja uszkodzeń
obserwator
system nieliniowy
optymalizacja
odporność
fault detection
observer
nonlinear system
optimization
robustness
Opis:: Integrated design of observer based Fault Detection (FD) for a class of uncertain nonlinear systems with Lipschitz nonlinearities is studied. In the context of norm based residual evaluation, the residual generator and evaluator are designed together in an integrated form, and, based on it, a trade-off FD system is finally achieved in the sense that, for a given Fault Detection Rate (FDR), the False Alarm Rate (FAR) is minimized. A numerical example is given to illustrate the effectiveness of the proposed design method.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2011, 21, 3; 423-430
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A Hamiltonian approach to fault isolation in a planar vertical take-off and landing aircraft model
Autorzy:: Rodriguez-Alfaro, L. H.
Alcorta-Garcia, E.
Lara, D.
Romero, G.
Powiązania:: https://bibliotekanauki.pl/articles/330664.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: Hamiltonian method
observer
fault diagnosis
nonlinear system
UAVs
metoda Hamiltonowska
obserwator
diagnoza uszkodzeń
układ nieliniowy
Opis:: The problem of fault detection and isolation in a class of nonlinear systems having a Hamiltonian representation is considered. In particular, a model of a planar vertical take-off and landing aircraft with sensor and actuator faults is studied. A Hamiltonian representation is derived from an Euler–Lagrange representation of the system model considered. In this form, nonlinear decoupling is applied in order to obtain subsystems with (as much as possible) specific fault sensitivity properties. The resulting decoupled subsystem is represented as a Hamiltonian system and observer-based residual generators are designed. The results are presented through simulations to show the effectiveness of the proposed approach.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2015, 25, 1; 65-76
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Neural network-based MRAC control of dynamic nonlinear systems
Autorzy:: Debbache, G.
Bennia, A.
Goléa, N.
Powiązania:: https://bibliotekanauki.pl/articles/908401.pdf
Data publikacji:: 2006
Wydawca:: Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:: sieć neuronowa
model odniesienia
system nieliniowy
sterowanie adaptacyjne
obserwator
stabilność
neural networks
reference model
nonlinear systems
adaptive control
observer
stability
Opis:: This paper presents direct model reference adaptive control for a class of nonlinear systems with unknown nonlinearities. The model following conditions are assured by using adaptive neural networks as the nonlinear state feedback controller. Both full state information and observer-based schemes are investigated. All the signals in the closed loop are guaranteed to be bounded and the system state is proven to converge to a small neighborhood of the reference model state. It is also shown that stability conditions can be formulated as linear matrix inequalities (LMI) that can be solved using efficient software algorithms. The control performance of the closed-loop system is guaranteed by suitably choosing the design parameters. Simulation results are presented to show the effectiveness of the approach.
Źródło:: International Journal of Applied Mathematics and Computer Science; 2006, 16, 2; 219-232
1641-876X
2083-8492
Pojawia się w:: International Journal of Applied Mathematics and Computer Science
Dostawca treści:: Biblioteka Nauki

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