Observer-based fault detection for uncertain nonlinear systems |
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| Authors: | Huayun Han Ying Yang Linlin Li Steven X Ding |
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| Institution: | 1. State Key Lab for Turbulence and Complex Systems, Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, PR China;2. School of Automation and Electrical Engineering, University of Science and Technology Beijing, Beijing 100083, China;3. Institute for Automatic Control and Complex Systems, University of Duisburg-Essen, Duisburg 47057, Germany |
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| Abstract: | This paper addresses L2 observer-based fault detection issues for a class of nonlinear systems in the presence of parametric and dynamic uncertainties, respectively. To this end, three different types of uncertain affine nonlinear system models studied in this paper are described first. Then, the integrated design schemes of L2 observer-based fault detection systems are derived with the aid of Hamilton–Jacobi inequalities (HJIs), respectively. Numerical examples are also provided in the end to demonstrate the effectiveness of the proposed results. |
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| Keywords: | Corresponding author |
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