A Novel Fault Observer Design and Application in Flight Control System

For estimating the fault signals of the discrete flight control system with unknown senor faults and actuator faults simultaneously, a discrete proportional integral observer (PIO) is presented. The proposed PIO uses the augment states to estimate the sensor faults of the flight control system. More...

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Bibliographic Details
Main Authors: Yongqi Chen, Zhiguang Zhong
Format: Conference Proceeding
Language:English
Subjects:
Aerospace control
Application software
Detection algorithms
discrete system
flight control system
Geometry
Mortar
Object detection
Orbital robotics
proportional integral observer
Solid modeling
Testing
Tree data structures
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Description
Summary:For estimating the fault signals of the discrete flight control system with unknown senor faults and actuator faults simultaneously, a discrete proportional integral observer (PIO) is presented. The proposed PIO uses the augment states to estimate the sensor faults of the flight control system. Moreover, this observer uses an additionally introduced integral term of the output error to obtain the estimation of actuator faults. The convergence of the PIO is proved. The proposed fault observer is applied in flight control system. Simulation results are given to demonstrate the effectiveness of the proposed fault observer.
ISSN:2157-9555
DOI:10.1109/ICNC.2009.645