A Novel RFDI-FTC System for Thrust-Vectoring Aircraft Undergoing Control Surface Damage and Actuator Faults During Supermaneuverable Flight

In this paper, a novel robust fault detection and identification and fault-tolerant control (RFDI-FTC) system is proposed for thrust-vectoring aircraft (TVA) during supermaneuverable flight. To this end, a TVA model that incorporates control surface damage, actuator faults, disturbances, and aerodyn...

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Bibliographic Details
Published in:IEEE access 2019, Vol.7, p.156374-156385
Main Authors: Ma, Xiaoshan, Dong, Wenhan, Li, Bingqian
Format: Article
Language:English
Subjects:
actuator fault
Actuators
Adaptive control
Adaptive filters
adaptive observer
Aerospace control
Aircraft
Aircraft control
command filter FTC
control surface damage
Control surfaces
Damage
Disturbances
Fault detection
Fault diagnosis
Fault tolerance
Fault tolerant systems
Geological faults
Mathematical models
Observers
Parameter sensitivity
Parameter uncertainty
RFDI-FTC system
robust FDI
Stability analysis
Thrust vector control
TVA
Uncertain systems
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Summary:In this paper, a novel robust fault detection and identification and fault-tolerant control (RFDI-FTC) system is proposed for thrust-vectoring aircraft (TVA) during supermaneuverable flight. To this end, a TVA model that incorporates control surface damage, actuator faults, disturbances, and aerodynamic parameter uncertainty is described, and a novel RFDI-FTC system is designed for the TVA model, which includes 1) an RFDI subsystem with robustness to disturbances and parameter uncertainty and sensitivity to control surface damage and actuator faults by multiple adaptive observers; 2) a command filter FTC subsystem to eliminate the differential expansion in traditional backstepping control and to compensate for control surface damage, actuator faults, disturbances and parameter uncertainty; and 3) a stability analysis for the RFDI-FTC system. The simulation results are given to demonstrate the effectiveness and potential of this system.
ISSN:2169-3536
2169-3536
DOI:10.1109/ACCESS.2019.2949061