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On the Choice of Multiple Flat Outputs for Fault Detection and Isolation of a Flat System

Abstract : This paper presents a rigorous definition of the isolability of a fault in a flat system whose flat outputs are measured by sensors that are subject to faults. In particular, if only one sensor or actuator is faulty at a time, we show that the isolation of faults can be achieved if a pair of flat outputs satisfies some independence condition. A detailed characterization of this condition is presented. Finally, the pertinence of the isolability concept is demonstrated on the example of a three tank system.
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https://hal.archives-ouvertes.fr/hal-02885978
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Submitted on : Wednesday, July 1, 2020 - 10:30:33 AM
Last modification on : Wednesday, November 17, 2021 - 12:31:08 PM
Long-term archiving on: : Wednesday, September 23, 2020 - 3:05:18 PM

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Rim Rammal, Tudor-Bogdan Airimitoaie, Franck Cazaurang, Jean Lévine, Pierre Melchior. On the Choice of Multiple Flat Outputs for Fault Detection and Isolation of a Flat System. 21th World Congress of the International Federation of Automatic Control, Jul 2020, Berlin, Germany. ⟨10.1016/j.ifacol.2020.12.821⟩. ⟨hal-02885978⟩

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