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Título

Sensor-fault detection and isolation using Interval observers

Autor Xu, Feng; Puig, Vicenç; Ocampo-Martinez, Carlos; Stoican, Florin; Olaru, Sorin
Fecha de publicación 2013
EditorInstitute of Electrical and Electronics Engineers
Citación 2nd International Conference on Control and Fault-Tolerant Systems: 55-60 (2013)
ResumenThis paper proposes an interval observer-based sensor fault detection and isolation (FDI) approach for the closed-loop systems. In this proposed approach, residuals are defined in such a way that their components are independent of each other at the time instant after fault occurrence, namely kf + 1, where kf denotes the fault occurrence time instant. In this way, it is guaranteed that at kf + 1 the changes in each component of the residuals are only related to the fault in the corresponding sensor. By detecting the threshold violation of the corresponding residual interval components, the proposed method can detect and isolate sensor faults at that time instant. At the end of this paper, a numerical example is used to present the effectiveness of the approach.
Descripción Presentado al SysTol 2013 celebrado en Niza del 9 al 11 de octubre.
Versión del editorhttp://dx.doi.org/10.1109/SysTol.2013.6693860
URI http://hdl.handle.net/10261/97521
DOI10.1109/SysTol.2013.6693860
Identificadoresdoi: 10.1109/SysTol.2013.6693860
isbn: 978-1-4799-2855-2
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