Input reconstruction by means of system inversion: A geometric approach to fault detection and isolation in nonlinear systems

• Autorzy: András Edelmayer , József Bokor , Zoltán Szabó , Ferenc Szigeti
• Języki publikacji: EN

Abstrakty

EN

In this paper the classical detection filter design problem is considered as an input reconstruction problem. Input reconstruction is viewed as a dynamic inversion problem. This approach is based on the existence of the left inverse and arrives at detector architectures whose outputs are the fault signals while the inputs are the measured system inputs and outputs and possibly their time derivatives. The paper gives a brief summary of the properties and existence of the inverse for linear and nonlinear multivariable systems. A view of the inversion-based input reconstruction with special emphasis on the aspects of fault detection and isolation by using invariant subspaces and the results of classical geometrical systems theory is provided. The applicability of the idea to fault reconstruction is demonstrated through examples.

Słowa kluczowe

EN

system inversion; input reconstruction; fault detection and isolation; nonlinear systems; linear systems

• Wydawca: University of Zielona Gora Press
• Czasopismo: International Journal of Applied Mathematics and Computer Science
• Rocznik: 2004
• Tom: 14
• Numer: 2
• Strony: 189-199

Daty

wydano

2004

otrzymano

2004-02-11

poprawiono

2004-05-17

Twórcy

autor

András Edelmayer

• Systems and Control Laboratory, Computer and Automation Research Institute, Hungarian Academy of Sciences, Budapest, XI, Kende u. 13–17, H-1111, Hungary

autor

József Bokor

• Systems and Control Laboratory, Computer and Automation Research Institute, Hungarian Academy of Sciences, Budapest, XI, Kende u. 13–17, H-1111, Hungary

autor

Zoltán Szabó

• Systems and Control Laboratory, Computer and Automation Research Institute, Hungarian Academy of Sciences, Budapest, XI, Kende u. 13–17, H-1111, Hungary

autor

Ferenc Szigeti

• Department of Control Engineering, Faculty of Engineering University of Los Andes, Mérida, A.p. 11, La Hechicera, Venezuela

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