Fault Detection for Switched Systems based on Pole Assignment and Zonotopic Residual Evaluation

This paper considers fault detection problem for a class of discrete-time switched systems with actuator faults. Pole assignment technique and H∞ design are used to develop the fault sensitivity and the disturbance attenuation condition of the residual, respectively. The design conditions of the obs...

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Bibliographic Details
Main Authors: Zammali, Chaima, Wang, Zhenhua, Gorp, Jeremy Van, Raïssi, Tarek
Format: Conference Proceeding
Language:English
Subjects:
fault detection
pole assignment
Switched systems
zonotopic residual evaluation
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Summary:This paper considers fault detection problem for a class of discrete-time switched systems with actuator faults. Pole assignment technique and H∞ design are used to develop the fault sensitivity and the disturbance attenuation condition of the residual, respectively. The design conditions of the observer are derived in terms of Linear Matrix Inequalities (LMIs). In addition, the disturbances and measurement noises are supposed to be unknown but bounded by zonotopes. A zonotopic method is then presented to evaluate the residual. A numerical example is performed to illustrate the effectiveness of the proposed method through a comparison with the results obtained without considering sensitivity and robustness analysis.
ISSN:2405-8963
2405-8963
DOI:10.1016/j.ifacol.2020.12.590