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Zbl 1234.93036
Chen, Wei; Khan, Abdul Q.; Abid, Muhammmad; Ding, Steven X.
Integrated design of observer based fault detection for a class of uncertain nonlinear systems. (English)
[J] Int. J. Appl. Math. Comput. Sci. 21, No. 3, 423-430 (2011). ISSN 1641-876X

Summary: Integrated design of observer based Fault Detection (FD) for a class of uncertain nonlinear systems with Lipschitz nonlinearities is studied. In the context of norm based residual evaluation, the residual generator and evaluator are designed together in an integrated form, and, based on it, a trade-off FD system is finally achieved in the sense that, for a given Fault Detection Rate (FDR), the False Alarm Rate (FAR) is minimized. A numerical example is given to illustrate the effectiveness of the proposed design method.

MSC 2000:: *93B35 Sensitivity (robustness) of control systems
93B07 Observability
93C10 Nonlinear control systems

Keywords: fault detection; observers; nonlinear systems; optimization; robustness

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