H∞ Dynamic Observer Design for Nonlinear Uncertain Systems with Disturbances

This paper proposed an H ∞ dynamic observer for a class of nonlinear disturbed systems with uncertainties, where the uncertainties are assumed to be in both system matrix A and measurement matrix C. Based on the algebraic constraints obtained from the unbiased estimation error, the observer design i...

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Bibliographic Details
Main Authors: Geng, Zhanbo, Li, Wenjie, Gao, Nan, Alma, Marouane, Darouach, Mohamed
Format: Conference Proceeding
Language:English
Subjects:
Dynamic observer
Estimation error
H
LMI
Measurement uncertainty
Nonlinear
Observers
Stability analysis
Sufficient conditions
Uncertain systems
Uncertainty
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Summary:This paper proposed an H ∞ dynamic observer for a class of nonlinear disturbed systems with uncertainties, where the uncertainties are assumed to be in both system matrix A and measurement matrix C. Based on the algebraic constraints obtained from the unbiased estimation error, the observer design issue is transformed into the asymptotically stability analysis problem. By constructing a Lyapunov function, the sufficient criterions of the observer design are derived in terms of linear matrix equality (LMI) to guarantee the H ∞ performance. The effectiveness of the proposed method is demonstrated by using a numerical example.
ISSN:1948-9447
DOI:10.1109/CCDC62350.2024.10587544