Analysis and design for the second order nonlinear continuous extended states observer |
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Authors: | Yi Huang Jingqing Han |
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Affiliation: | (1) Institute of Systems Science, Academy of Mathematics and Systems Science, Chinese Academy of Sciences, 100080 Beijing, China |
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Abstract: | The extended state observer (ESO) is a novel observer for a class of uncertain systems. Since ESO adopts the continuous non-smooth structure, the classical observer design theory is hard to use for ESO analysis. In this note, the self-stable region (SSR) approach, which is a nonlinear synthesis method for nonlinear uncertain systems, will be used for ESO design and its stability analysis. The advantages of the non-smooth structure in ESO for improving the convergence properties and the estimation precision will be shown. |
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Keywords: | extended state observer (ESO) continuous non-smooth structure self-stable region (SSR) method |
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