Please use this identifier to cite or link to this item: https://doi.org/10.1109/ICCIS.2010.5518549
Title: FDI of disturbed nonlinear systems: A nonlinear UIO approach with SOS techniques
Authors: Xu, J. 
Lum, K.Y. 
Xie, L.
Loh, A.P. 
Keywords: Fault detection and isolation
Nonlinear systems
Sums of squares (SOS)
Unknown input observer (UIO)
Issue Date: 2010
Citation: Xu, J.,Lum, K.Y.,Xie, L.,Loh, A.P. (2010). FDI of disturbed nonlinear systems: A nonlinear UIO approach with SOS techniques. 2010 IEEE Conference on Cybernetics and Intelligent Systems, CIS 2010 : 255-260. ScholarBank@NUS Repository. https://doi.org/10.1109/ICCIS.2010.5518549
Abstract: This paper presents a novel unknown input observer (UIO) design method for fault detection and isolation (FDI) of a class of nonlinear affine systems with disturbance. By using Lie geometry and sum-of-squares (SOS) theory as the main tools, a simple and systematic design procedure is proposed. Compared with the traditional UIO design, the rank constraint is much relaxed. Meanwhile, we show that the threshold can be easily obtained from a L2 gain result using a SOS formulation. © 2010 IEEE.
Source Title: 2010 IEEE Conference on Cybernetics and Intelligent Systems, CIS 2010
URI: http://scholarbank.nus.edu.sg/handle/10635/83736
ISBN: 9781424464999
DOI: 10.1109/ICCIS.2010.5518549
Appears in Collections:Staff Publications

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