Journal
INTERNATIONAL JOURNAL OF ROBUST AND NONLINEAR CONTROL
Volume 23, Issue 4, Pages 419-438Publisher
WILEY-BLACKWELL
DOI: 10.1002/rnc.1838
Keywords
FDI; robust; filter; metrics
Funding
- NASA Langley NRA [NNH077ZEA001N]
- NASA Langley [NNX08AC65A]
- NASA [103307, NNX08AC65A] Funding Source: Federal RePORTER
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Fault detection and isolation (FDI) filters are typically synthesized for open-loop or closed-loop systems. The controller affects the FDI filter performance in the closed-loop system. FDI filter performance and closed-loop controllerfilter interaction in the presence of uncertain dynamics were investigated as was the role of controller robustness on the FDI filter performance. The NASA Generic Transport Model aircraft was considered as a motivating application. Multiple example scenarios were presented to highlight the utility of FDI filter performance metrics. For example, comparing fault detection performance of different filters under identical uncertain plant dynamics and controller, the effect of different controllers on the FDI filter performance, and the effect of model uncertainty on filter performance. The Generic Transport Model aircraft FDI filter results are validated using worst-case analysis and linear simulations. Copyright 2011 John Wiley & Sons, Ltd.
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