Robust Observer for a Class of Linear System with Matched Uncertainty Based on LMI

Huai Sheng Ni; Feng Xiang Chen; Tong Zhang

doi:10.4028/www.scientific.net/AMR.791-793.1427

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 791-793Robust Observer for a Class of Linear System with...

Robust Observer for a Class of Linear System with Matched Uncertainty Based on LMI

Abstract:

In this paper, a novel framework of robust observer for linear system with parametric uncertain state matrix matched with output matrix is introduced. The scheme is derived by including an extra term to the feedback gain, and the term is obtained by the analysis of the Lyapunov stability theory and LMI (Linear Matrix Inequality). The proposed observer is less conservative and thus lead to a low gain matrix based on the novel framework. Finally, the effectiveness of the proposed method is validated by the numerical simulations on Matlab environment.

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Periodical:

Advanced Materials Research (Volumes 791-793)

Pages:

1427-1430

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.791-793.1427

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Online since:

September 2013

Authors:

Huai Sheng Ni, Feng Xiang Chen, Tong Zhang

Keywords:

Control Engineering, Linear Matrix Inequality (LMI), Linear System, Matched Uncertainties, Robust Observer

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