Abstract
The research of fault detection (FD) stems from its practical application to a variety of industries such as aerospace, energy systems, and process control to name a few. The main function of a FD scheme is to detect a fault when it happens, which may then be acted on by sending alarm signals, taking protection measures, or reconfiguring a running control scheme [135, 176]. The observer based FD scheme is currently receiving much attention [227], Generally speaking, an observer based FD system consists of an observer based residual generator and a residual evaluator. It is the state of the art that problems related to the observer based FD system design are mainly addressed in the context of improving system robustness against unknown disturbances and simultaneously enhancing system sensitivity to faults. Study on solving such problems builds the recent research which focus on designing observer based FD systems [69, 82].
Published Version
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