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A New Error Compensation Scheme For INS Vertical Channel

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Authors
Seo, Jaewon; Lee, Jang Gyu; Park, Chan Gook
Issue Date
2004-06
Citation
16th IFAC Symposium on Automatic Control in Aerospace, June 14-18, 2004, Saint-Petersburg, Russia
Keywords
Inertial navigationKalman filtersGlobal positioning systemsError estimation
Abstract
In the inertial navigation system, the altitude error diverges exponentially if
external sensors do not compensate it. To suppress divergence of the error, non-inertial
aiding sensors that provide vertical information are utilized. With these sensors, the wellknown
baro-inertial damping loop or the well-known Kalman filter mechanization can be
constituted to compensate the error of the vertical channel. In this paper, a new error
compensation scheme for INS vertical channel is proposed, especially with a barometer
and GPS by fusing the two well established methods. The performance of the proposed
scheme is analyzed by computer simulation.
Language
English
URI
http://hdl.handle.net/10371/25982
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Mechanical Aerospace Engineering (기계항공공학부)Others_기계항공공학부
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