NDLI: Fault detection in spacecraft attitude control system

Content Provider	IEEE Xplore Digital Library
Author	Azarnoush, H. Khorasani, K.
Copyright Year	2007
Description	Author affiliation: Concordia Univ., Quebec (Azarnoush, H.; Khorasani, K.)
Abstract	This paper presents a method for detecting faults in a reaction wheel of an attitude control system of a spacecraft. A nonlinear observer is proposed as a residual generator to detect the anomalies and faults. To justify the need for the proposed complex nonlinear observer, a linear residual generation scheme is also considered as a benchmark and also for comparison. The linear observer is designed through linearization of the highly nonlinear dynamics of the reaction wheel. The performance and limitations of the linear observer subject to the three fault scenarios commonly present in the reaction wheel are investigated. The advantages and capabilities of applying the proposed nonlinear observer are demonstrated and emphasized through numerical simulations.
Starting Page	726
Ending Page	733
File Size	271180
Page Count	8
File Format	PDF
ISBN	9781424409907
DOI	10.1109/ICSMC.2007.4413816
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-07
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fault detection Space vehicles Wheels Brushless DC motors Electrical fault detection Fault diagnosis Flywheels DC motors Uncertainty Nonlinear systems spacecraft attitude control system Nonlinear observers fault detection
Content Type	Text
Resource Type	Article

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