Reconstruction-based Set-valued Observer - A New Perspective for Fault Detection within Uncertain Systems

Letellier Clément, Chafouk Houcine, Hoblos Ghaleb

Abstract

This paper presents an extension of a particular type of observer called the Set-valued Observer; this kind of observer is very well suited for uncertain fault detection. But some limitations restrict its use. Indeed, all the sensors are needed to observe the state and as a consequence this method does not allow fault detection when some sensor information is not available. Other work has focused on the well-known Luenberger Observer applied to uncertain systems; but once again, this option is limited. Indeed, it is difficult to converge the algorithm because of the wrapping effect induced by recursivity. Here a new approach is proposed combining the power of the two algorithms. The Luenberger Observer coupled with the Set-Valued Observer allows us to reconstruct the states without divergence. This combination is a substantial contribution for fault detection within uncertain systems.

References

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Paper Citation


in Harvard Style

Clément L., Houcine C. and Ghaleb H. (2012). Reconstruction-based Set-valued Observer - A New Perspective for Fault Detection within Uncertain Systems . In Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO, ISBN 978-989-8565-21-1, pages 111-117. DOI: 10.5220/0003972301110117


in Bibtex Style

@conference{icinco12,
author={Letellier Clément and Chafouk Houcine and Hoblos Ghaleb},
title={Reconstruction-based Set-valued Observer - A New Perspective for Fault Detection within Uncertain Systems},
booktitle={Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,},
year={2012},
pages={111-117},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003972301110117},
isbn={978-989-8565-21-1},
}


in EndNote Style

TY - CONF
JO - Proceedings of the 9th International Conference on Informatics in Control, Automation and Robotics - Volume 1: ICINCO,
TI - Reconstruction-based Set-valued Observer - A New Perspective for Fault Detection within Uncertain Systems
SN - 978-989-8565-21-1
AU - Clément L.
AU - Houcine C.
AU - Ghaleb H.
PY - 2012
SP - 111
EP - 117
DO - 10.5220/0003972301110117