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Design of an Initial Fine Alignment Algorithm for Satellite Launch Vehicles
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 Title & Authors
Design of an Initial Fine Alignment Algorithm for Satellite Launch Vehicles
Song, Eun-Jung; Roh, Woong-Rae; Kim, Jeong-Yong; Oh, Jun-Seok; Park, Jung-Ju; Cho, Gwang-Rae;
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 Abstract
In this paper, an initial fine alignment algorithm, which is developed for the strap-down inertial navigation systems of satellite launch vehicles, is considered. For fast and accurate alignment, a simple closed-loop estimation algorithm using a proportional-integral controller is introduced. Through computer simulation for the sway condition in the launch pad, it is shown that a simple filter structure can guarantee fast computational speed that is adequate for real-time implementation as well as the required alignment accuracy and robustness. In addition, its implementation results are presented for the Naro-1 flight test.
 Keywords
Space launch vehicle;Inertial navigation system;Initial alignment;
 Language
English
 Cited by
 References
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