A discussion on sensor recovery techniques for fault tolerant multisensor schemes

Florin Stoican 1 Sorin Olaru 2, 3 José A. de Doná 4 María M. Seron 5
1 UPB - University Politehnica of Bucharest [Romania]
2 E3S - Supélec Sciences des Systèmes [Gif-sur-Yvette]
3 DISCO - Dynamical Interconnected Systems in COmplex Environments
L2S - Laboratoire des signaux et systèmes, Inria Saclay - Ile de France, SUPELEC, CNRS - Centre National de la Recherche Scientifique : UMR8506
4 Institut Montefiore - Department of Electrical Engineering and Computer Science
5 ARC CENTRE FOR CDSC - The ARC Centre for Complex Dynamic Systems and Control
Abstract : The present paper deals with the interplay between healthy and faulty sensor functioning in a multisensor scheme based on a switching control strategy. Fault tolerance guarantees have been recently obtained in this framework based upon the characterisation of invariant sets for state estimations in healthy and faulty functioning. A source of conservativeness of this approach is related to the issue of sensor recovery. A common working hypothesis has been to assume that once a sensor switches to faulty functioning it can no longer be used by the control mechanism even if at an ulterior moment it switches back to healthy functioning. In the current paper, we present necessary and sufficient conditions for the acknowledgement of sensor recovery and we propose and compare different techniques for the reintegration of sensors in the closed-loop decision-making mechanism.
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Journal articles
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Contributor : Pascale Lepeltier <>
Submitted on : Wednesday, December 17, 2014 - 10:16:09 AM
Last modification on : Thursday, April 5, 2018 - 12:30:13 PM

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Florin Stoican, Sorin Olaru, José A. de Doná, María M. Seron. A discussion on sensor recovery techniques for fault tolerant multisensor schemes. International Journal of Systems Science, Taylor & Francis, 2014, 45 (8), pp.1708-1722. ⟨10.1080/00207721.2012.748947⟩. ⟨hal-01096262⟩

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