Adaptive Robust Asymptotic State Observers for Uncertain Nonlinear Dynamical Systems
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概要
- 論文の詳細を見る
The problem of adaptive robust state observer design is considered for a class of nonlinear dynamical systems with significant uncertainties. It is supposed that the upper bound of the nonlinearity and uncertainty is a linear function of some parameters which are still assumed to be unknown. An improved adaptation law with σ-modification is employed to estimate the unknown parameters. Then, by making use of the updated values of these unknown parameters a class of adaptive robust state observers is proposed for uncertain dynamical systems. It is also shown that by employing the proposed adaptive robust state observer, the observation error between the observer state estimate and the true state can converge asymptotically to zero in the presence of significant uncertainties. Finally, a numerical example is given to demonstrate the validity of the results.
- 社団法人 電気学会の論文
- 2007-05-01
著者
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TANAKA Toshijiro
Department of Management and Information Sciences, Hiroshima Prefectural University
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Wu Hansheng
Department Of Information Science Prefectural University Of Hiroshima
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Wu Hansheng
Department Of Information Science Hiroshima Prefectural University
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Tanaka Toshijiro
Department Of Applied Physics Faculty Of Engineering Osaka University
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Tanaka Toshijiro
Department Of Information Science Prefectural University Of Hiroshima
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