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An Extended Robust H∞ Filter for Nonlinear Constrained Uncertain Systems
Cited 49 time in
Web of Science
Cited 56 time in Scopus
- Authors
- Issue Date
- 2006
- Publisher
- IEEE
- Citation
- IEEE Trans. Signal Processing, Vol. 54, pp. 4471-4475, Nov. 2006.
- Keywords
- Extended robust H-inf filter ; nonlinear estimation ; nonlinear uncertain system ; robust estimation
- Abstract
- In this correspondence, a robust filter is proposed to effectively estimate the system states in the case where system model uncertainties as well as disturbances are present. The proposed robust filter is constructed based on the linear approximation methods for a general nonlinear uncertain system with an integral quadratic constraint. We also derive the important characteristic of the proposed filter, a modified H-inf performance index. Analysis results show that the proposed filter has robustness against disturbances such as process and measurement noises, and against parameter uncertainties. Simulation results show that the proposed filter provides a performance improvement.
- ISSN
- 1053-587X
- Language
- English
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