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Observers for linearly unobservable nonlinear systems |
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| Authors: | Arthur J Krener MingQing Xiao |
| Affiliation: | a Department of Mathematics, University of California, Davis, CA 95616, USA;b Department of Mathematics, Southern Illinois University, Carbondale, IL 62901, USA |
| Abstract: | We provide a method for constructing local observers for some nonlinear systems around a critical point where the linearization is not observable or not detectable. Two examples are provided to illustrate the results of the paper. |
| Keywords: | Nonlinear systems Nonlinear observers Output injection Linearization Unobservable |
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