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http://dx.doi.org/10.5139/IJASS.2010.11.3.184

Design of an Initial Fine Alignment Algorithm for Satellite Launch Vehicles  

Song, Eun-Jung (Korea Aerospace Research Institute)
Roh, Woong-Rae (KSLV Reseach & Development Head Office, Korea Aerospace Research Institute)
Kim, Jeong-Yong (KSLV Reseach & Development Head Office, Korea Aerospace Research Institute)
Oh, Jun-Seok (KSLV Reseach & Development Head Office, Korea Aerospace Research Institute)
Park, Jung-Ju (KSLV Reseach & Development Head Office, Korea Aerospace Research Institute)
Cho, Gwang-Rae (KSLV Reseach & Development Head Office, Korea Aerospace Research Institute)
Publication Information
International Journal of Aeronautical and Space Sciences / v.11, no.3, 2010 , pp. 184-192 More about this Journal
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;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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