Abstract
This paper addresses the fault detection and isolation (FDI) problem for linear time-invariant (LTI) systems under feedback control. Considered all the possible actuator stuck faults, the closed-loop systems are modeled via multiple models, i.e., fault-free model and faulty models. A fault detection observer and a bank of fault isolation observers are designed by using adaptive estimation techniques. The explicit fault detectability and isolability conditions are derived for determining the class of faults that are detectable and isolable. An F-18 aircraft model is employed to illustrate the effectiveness of the proposed FDI approach.
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Recommended by Editorial Board member Bin Jiang under the direction of Editor Myotaeg Lim.
This work was supported in part by the Funds for Creative Research Groups of China (No. 60821063), National 973 Program of China(Grant No. 2009CB320604), the Funds of National Science of China (Grant No. 60974043, 60904010, 60804024), and the 111 Project (B08015), the Funds of Doctoral Program of Ministry of Education, China (2010004 2110027), a Foundation for the Author of National Excellent Doctoral Dissertation of PR China (No. 201157), the Fundamental Research Funds for the Central Universities (No. 110305006).
Xiao-Jian Li received his Ph.D. degree in Control Theory and Engineering from Northeastern University, China, in 2011. His research interests include faulttolerant control, fault diagnosis.
Guang-Hong Yang received his Ph.D. degree in Control Engineering from Northeastern University, China, in 1994. He is currently a Professor at the College of Information Science and Engineering, Northeastern University. His current research interests include fault-tolerant control, fault detection and isolation, non-fragile control systems design, and robust control.
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Li, XJ., Yang, GH. Adaptive fault detection and isolation approach for actuator stuck faults in closed-loop systems. Int. J. Control Autom. Syst. 10, 830–834 (2012). https://doi.org/10.1007/s12555-012-0420-7
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DOI: https://doi.org/10.1007/s12555-012-0420-7