This paper proposes an interval observer-based actuatorfaultdetection and isolation (FDI) approach. An interval observer matching the healthy system mode is designed to monitor the system. When the system is in diff...
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ISBN:
(纸本)9781467357159;9781467357159
This paper proposes an interval observer-based actuatorfaultdetection and isolation (FDI) approach. An interval observer matching the healthy system mode is designed to monitor the system. When the system is in different modes, state or output interval vectors predicted by the interval observer manifest different dynamical behaviors. To guarantee reliable FDI, a collection of invariant set-based FDI conditions are established. Under these conditions, actuatorfaults can be accurately detected and isolated during the transition between different modes. At the end, the effectiveness of this proposed approach is presented by using a numerical example.
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