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|Title:||FDI of disturbed nonlinear systems: A nonlinear UIO approach with SOS techniques|
|Authors:||Xu, J. |
|Keywords:||Fault detection and isolation|
Sums of squares (SOS)
Unknown input observer (UIO)
|Source:||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|
|Appears in Collections:||Staff Publications|
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