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Partial-state observers for nonlinear systems
journal contribution
posted on 2006-11-01, 00:00 authored by Hieu TrinhHieu Trinh, T Fernando, Saeid NahavandiThis note deals with the design of reduced-order observers for a class of nonlinear systems. The order reduction of the observer is achieved by only estimating a required partial set of the state vector. Necessary and sufficient conditions are derived for the existence of reduced-order observers. An observer design procedure based on linear matrix inequalities is given. A numerical example is given to illustrate the design method.