Boulkroune, Boulaid ; Djemili, Issam ; Aitouche, Abdel ; Cocquempot, Vincent
Korbicz, Józef (1951- ) - red. ; Uciński, Dariusz - red.
This paper is concerned with actuator fault detection in nonlinear systems in the presence of disturbances. A nonlinear unknown input observer is designed and the output estimation error is used as a residual for fault detection. To deal with the problem of high Lipschitz constants, a modified mean-value theorem is used to express the nonlinear error dynamics as a convex combination of known matrices with time-varying coefficients. Moreover, the disturbance attenuation is performed using a modified H[the sign of infinity] criterion. ; A sufficient condition for the existence of an unknown input observer is obtained using a linear matrix inequality formula, and the observer gains are obtained by solving the corresponding set of inequalities. The advantages of the proposed method are that no "a priori" assumption on the unknown input is required and that it can be applied to a large class of nonlinear systems. Performances of the proposed approach are shown through the application to a diesel engine model.
Zielona Góra: Uniwersytet Zielonogórski
AMCS, volume 23, number 3 (2013)
Biblioteka Uniwersytetu Zielonogórskiego
Nov 5, 2024
Apr 22, 2024
33
https://zbc.uz.zgora.pl/repozytorium/publication/88661
Edition name | Date |
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Robust nonlinear observer design for actuator fault detection in diesel engines | Nov 5, 2024 |
Kuzmych, Olena Aitouche, Abdel El Hajjaji, Ahmed Bosche, Jerome Korbicz, Józef (1951- ) - red. Uciński, Dariusz - red.
Georges, Jean-Philippe Theilliol, Didier Cocquempot, Vincent Ponsart, Jean-Christophe Aubrun, Christophe Korbicz, Józef (1951- ) - red. Uciński, Dariusz - red.
Zheng, Fangyuan Cho, Haeng Muk Xu, Changchun Jurczak, Paweł - red.
Laursen, Morten Blanke, Mogens Düştegör, Dilek Korbicz, Józef (1951- ) - ed. Sauter, Dominique - ed.
Kościelny, Jan Maciej Syfert, Michał Rostek, Kornel Sztyber, Anna Korbicz, Józef (1951- ) - red. Uciński, Dariusz - red.
Niemann, Hans Henrik Korbicz, Józef (1951- ) - red. Uciński, Dariusz - red.
Witczak, Marcin Korbicz, Józef (1951- ) - red.
Rodriguez-Alfaro, Luis H. Alcorta-Garcia, Efrain Lara, David Romero, Gerardo Simani, Silvio - ed. Castaldi, Paolo - ed.