Robust observer design for Takagi-Sugeno fuzzy systems with mixed neutral and discrete delays and unknown inputs
Journal article, Peer reviewed
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Original versionKarimi, H.R., & Chadli, M. (2012). Robust observer design for takagi-sugeno fuzzy systems with mixed neutral and discrete delays and unknown inputs. Mathematical Problems in Engineering, 2012. doi: 10.1155/2012/635709 10.1155/2012/635709
A robust observer design is proposed for Takagi-Sugeno fuzzy neutral models with unknown inputs. The model consists of a mixed neutral and discrete delay, and the disturbances are imposed on both state and output signals. Delay-dependent sufficient conditions for the design of an unknown input T-S observer with time delays are given in terms of linear matrix inequalities. Some relaxations are introduced by using intermediate variables. A numerical example is given to illustrate the effectiveness of the given results.
Published version of an article from the journal: Mathematical Problems in Engineering. Also available from the publisher:http://dx.doi.org/10.1155/2012/635709