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http://dx.doi.org/10.5139/JKSAS.2009.37.2.156

Multi-sensor Fusion Filter for the Flight Safety System of a Space Launch Vehicle  

Ryu, Seong-Sook (한국항공대학교 항공우주 및 기계공학과)
Kim, Jeong-Rae (한국항공대학교 항공우주 및 기계공학과)
Song, Yong-Kyu (한국항공대학교 항공우주 및 기계공학과)
Ko, Jeong-Hwan (한국항공우주연구원)
Choi, Kyu-Sung (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.37, no.2, 2009 , pp. 156-165 More about this Journal
Abstract
Threat due to malfunction of space launch vehicles is significant since it is bigger and flights longer range than military missiles or scientific rockets. It is necessary to implement a flight safety system to minimize the possible hazard. Design objective of the tracking filter for the flight safety system is different from conventional tracking filters since estimation reliability is more emphasized than estimation accuracy. In this paper, a fusion tracking filter was implemented for processing multi-sensor data from a space launch vehicle. The filter performance is evaluated by analyzing the error of the estimated position and instantaneous impact point. Also a fault detection algorithm is implemented to guarantee fusion filter's reliability under any sensor failure and verified to maintain stability successfully.
Keywords
Space Launch Vehicle; Plight Safety System; Trajectory Estimation; Fusion Filter; Instantaneous Impact Point;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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