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Adaptive Observer Design for Nonlinear Systems Using Generalized Nonlinear Observer Canonical Form  

Jo, Nam-Hoon (School of Electrical Engineering, Soongsil University)
Son, Young-Ik (Department of Electrical Engineering, Myongji University)
Publication Information
Journal of Mechanical Science and Technology / v.18, no.7, 2004 , pp. 1150-1158 More about this Journal
Abstract
In this paper, we present an adaptive observer for nonlinear systems that include unknown constant parameters and are not necessarily observable. Sufficient conditions are given for a nonlinear system to be transformed by state-space change of coordinates into an adaptive observer canonical form. Once a nonlinear system is transformed into the proposed adaptive observer canonical form, an adaptive observer can be designed under the assumption that a certain system is strictly positive real. An illustrative example is included to show the effectiveness of the proposed method.
Keywords
Nonlinear System; Adaptive Observer; Nonlinear Observer Canonical Form Generalized Nonlinear Observer Canonical Form; Strictly Positive Real;
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Times Cited By KSCI : 5  (Citation Analysis)
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