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Decentralized and autonomous design for FDI/FTC of networked control systems

Abstract : In this paper, the fault tolerant control problem is addressed in a networked framework. An isolation filter together with a fault compensation mechanism are proposed for FDI/FTC. Several design procedures are studied. First, in the centralized architecture, the inputs and outputs information used for FDI & FTC are collected and processed in a central node. Considering that sub-systems exchange information over the network, a decentralized architecture is then proposed for FDI/FTC. The autonomous capability of the decentralized design is also considered. But, whatever the design architecture is, fault detectability and isolability, are dependant on the available information. A method based on system structural analysis is then proposed,to provide fault detectability and fault isolability conditions, thus making possible fault tolerant control. Finally, we give an algorithm which allows to distribute a system into subsystems such that the problem of autonomous FDI is solvable for each of these subsystems.
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Submitted on : Monday, December 18, 2006 - 3:21:05 PM
Last modification on : Sunday, November 29, 2020 - 7:18:02 AM
Long-term archiving on: : Thursday, September 20, 2012 - 4:11:38 PM


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  • HAL Id : hal-00120858, version 1



Dominique Sauter, Taha Boukhobza, Frédéric Hamelin. Decentralized and autonomous design for FDI/FTC of networked control systems. Aug 2006, pp.CDROM. ⟨hal-00120858⟩



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