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Study of an Explicit Guidance Algorithm Applicable for Upper Stages of Space Launch Vehicles  

Song, Eun-Jung (한국항공우주연구원 임무설계팀)
Cho, Sang-Bum (한국항공우주연구원 임무설계팀)
Park, Chang-Su (한국항공우주연구원 임무설계팀)
Roh, Woong-Rae (한국항공우주연구원 임무설계팀)
Publication Information
Aerospace Engineering and Technology / v.10, no.1, 2011 , pp. 89-97 More about this Journal
Abstract
This paper considers improved IGM (Iterative Guidance Mode), one of the explicit guidance algorithms, to determine the guidance algorithm for upper stages of a space launch vehicle. IGM, which has been employed successfully for the Saturn to put its payload into the parking orbit and lunar transfer orbit, is applied here for guidance of the launcher during the second and third stages. The orbit injection accuracy is evaluated through the 3-DOF computer simulations and an accurate prediction method, which can eliminate the prediction error of the downrange position at the orbit injection, is also proposed here.
Keywords
launch vehicle; guidance; explicit algorithm; 3-DOF simulation;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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