Abstract
A fault detection filter is a full-order observer that can detect and isolate faults by constraining the residual vector due to a particular fault in a certain detection space. It is known that different faults can be perfectly isolated by designing a fault detection filter when a mutual isolability condition is satisfied. This paper discusses such a property in detail, considering the transmission zero in conjunction with the location and combination of sensors. Guidelines to choose the sensor location which enables the stable mutual isolation of different faults are proposed. Numerical results show that the fault detection filter with this sensor location is robust in the sense that it has minimal sensitivity to measurement noise.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering
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