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FDI For Inertial Sensor Using Single Antenna GPS Receiver

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Authors
Kim, Young Jin; Kim, Youdan; Park, Chan Gook
Issue Date
2004-06
Citation
16th IFAC Symposium on Automatic Control in Aerospace (IFAC AVA 2004)
Keywords
Fault DetectionFault IsolationRedundancy ManagementInertial SensorsGPS Receiver
Abstract
In this paper, fault detection and isolation algorithm for inertial sensor system is
proposed. To identify the inertial sensor fault, single antenna GPS receiver is used as an
effective redundancy source. To use GPS receiver as redundancy for the inertial sensors,
the algorithm to estimate the attitude and acceleration using single antenna GPS receiver
is adopted. Using Doppler shift of carrier phase signal and kinetic characteristics of
aircraft, attitude information of aircraft can be obtained through one GPS antenna at the
coordinated flight condition. Based on this idea, fault diagnosis algorithm for inertial
sensors using single antenna GPS based attitude is proposed. For more effective FDI,
decision variable considering aircraft maneuver is considered. The effectiveness of the
proposed algorithm is verified through the numerical simulations for the various cases.
Language
English
URI
http://hdl.handle.net/10371/26462
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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