State observers for a class of multi-output nonlinear dynamic systems |
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Authors: | Yali Dong Shengwei Mei |
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Institution: | a School of Science, Tianjin Polytechnic University, Tianjin 300160, PR Chinab Department of Electrical Engineering, Tsinghua University, Beijing 100084, PR China |
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Abstract: | This note considers the problem of observer design for a class of multi-output nonlinear systems. A new state observer design methodology for linear time-varying multi-output systems is presented. Furthermore, we show that the same methodology can be extended to a class of multi-output nonlinear systems. Some sufficient conditions for the existence of the proposed observer are obtained, which guarantee that the error of state estimation converges asymptotically to zero. An example is given to demonstrate the effectiveness of the proposed methodology. |
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Keywords: | Constant gain observer Nonlinear system Nonlinear observer Transformation |
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