A high-gain-based global finite-time nonlinear observer

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Authors

Li, Yunyan
Xia, Xiaohua
Shen, Yanjun

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Volume Title

Publisher

Taylor and Francis

Abstract

In this paper, a global finite-time observer is designed for a class of nonlinear systems with bounded rational powers imposed on the incremental nonlinearities. Compared with the previous global finite-time results, the new observer designed here is with a new gain update law. Moreover, an example is given to show that the proposed observer can reduce the time of the observation error convergence.

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Keywords

Global finite-time observer, High gain, Nonlinear system, Homogeneity

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Citation

Yunyan Li, Xiaohua Xia & Yanjun Shen (2013) A high-gain-based global finite-time nonlinear observer, International Journal of Control, 86:5, 759-767, DOI: 10.1080/00207179.2012.760045.