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Fault diagnosis in spacecraft attitude control system

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Fault diagnosis in spacecraft attitude control system

Azarnoush, Hamed (2005) Fault diagnosis in spacecraft attitude control system. Masters thesis, Concordia University.

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Abstract

This thesis presents a method for fault diagnosis in spacecraft attitude control system. The focus of this diagnosis problem will be on the actuator components. The considered actuator is assumed to be a reaction wheel. Since the attitude model of the spacecraft to be used is a coupled three-axis, three reaction wheels are required to provide actuation signals in this system. A high-fidelity model of the reaction wheel is considered which incorporates the effect of most disturbances involved in practice. A controller is designed to guarantee the stability of the signals in the system. This controller is designed according to nearly ideal model of the reaction wheel in a single axis system. The performance of this controller is validated for the three-axis nonlinear model of the spacecraft attitude control system using nonlinear model of the reaction wheel

Divisions:Concordia University > Faculty of Engineering and Computer Science > Electrical and Computer Engineering
Item Type:Thesis (Masters)
Authors:Azarnoush, Hamed
Pagination:xv, 131 leaves : ill. ; 29 cm.
Institution:Concordia University
Degree Name:M.A. Sc.
Program:Electrical and Computer Engineering
Date:2005
Thesis Supervisor(s):Khorasani, Khashayar
ID Code:8663
Deposited By:Concordia University Libraries
Deposited On:18 Aug 2011 14:31
Last Modified:18 Aug 2011 14:31
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