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Eigenstructure Techniques for Fault Detection and Isolation in Aerospace and Automotive Systems
Technical Paper
2004-01-3387
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Eigenstructure techniques allow to detect and isolate faulty components in a dynamic process, such as sensor biases, actuator malfunctions, changes in dynamic parameters due to leaks and deterioration. Fault detection is the first step to achieve fault tolerance, but for this the redundancy has to be included in the system. This redundancy can be either by hardware or by software. In situations in which it is not possible to use hardware redundancy only the software redundancy can be used.
Therefore using eigenstructure techniques, for the fault detection and isolation, the tests can be done through the angle between the residue vector direction and the fault direction vector. By this way, we can reduce false alarm and the alarm loss rates due to the noise and changes in system parameters.
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Citation
de Jesus Teixeira, A., de Oliveira e Souza, M., and Oliva, Á., "Eigenstructure Techniques for Fault Detection and Isolation in Aerospace and Automotive Systems," SAE Technical Paper 2004-01-3387, 2004, https://doi.org/10.4271/2004-01-3387.Also In
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