Design of integral sliding mode observers with application to fault and unknown input reconstruction

Sharma, R. and Aldeen, M. (2009). Design of integral sliding mode observers with application to fault and unknown input reconstruction. In: Proceedings of the 48th IEEE Conference on Decision and Control, 2009 held jointly with the 2009 28th Chinese Control Conference. CDC/CCC 2009. IEEE Conference on Decision and Control 2011, Shanghai, China, (6958-6963). 16-18 December 2009. doi:10.1109/CDC.2009.5399985

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Author Sharma, R.
Aldeen, M.
Title of paper Design of integral sliding mode observers with application to fault and unknown input reconstruction
Conference name IEEE Conference on Decision and Control 2011
Conference location Shanghai, China
Conference dates 16-18 December 2009
Proceedings title Proceedings of the 48th IEEE Conference on Decision and Control, 2009 held jointly with the 2009 28th Chinese Control Conference. CDC/CCC 2009   Check publisher's open access policy
Journal name Proceedings of the IEEE Conference on Decision and Control   Check publisher's open access policy
Place of Publication Piscataway, NJ, United States
Publisher IEEE
Publication Year 2009
Year available 2010
Sub-type Fully published paper
DOI 10.1109/CDC.2009.5399985
ISBN 9781424438716
ISSN 0191-2216
Start page 6958
End page 6963
Total pages 6
Language eng
Formatted Abstract/Summary
 This paper presents a new technique for fault diagnosis and estimation of unknown inputs in a class of nonlinear systems. The novelty of this approach is governed by the design of two nonlinear observers which incorporate a combination of sliding and integral control actions. The observers are networked together. The first is used for fault diagnosis and the second is used for the reconstruction of unknown inputs. The two observers exchange their respective reconstructed signals online and in real time. It is shown that under certain conditions, the proposed observer is  able to reduce chattering without compromising estimation accuracy. Another significant advantage of the proposed approach is that the network of 2-interconnected integral sliding mode observers permits the relaxation of the fault isolability from the unknown inputs. 
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

 
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Created: Mon, 09 Jan 2012, 14:15:27 EST by Rahul Sharma on behalf of School of Information Technol and Elec Engineering