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A State Observer for MINO Nonlinear Systems  

Lee, Sung-Ryul (School of Electronic & Information Eng., Kunsan National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea SC / v.45, no.5, 2008 , pp. 8-12 More about this Journal
Abstract
In this paper, the robust state observer for nonlinear systems with unknown disturbance is proposed. The proposed method has an advantage in that it can reduce the effect of disturbance on estimation error of observer up to a specified level. Therefore, our design a roach can deal with a larger class of uncertain nonlinear system than the existing methods. The sufficient conditions on the existence of robust observer are characterized by well grown linear matrix inequality. Finally, an illustrative example is given to verify the proposed design scheme.
Keywords
state observer; nonlinear systems; disturbance;
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