Initial Attitude Determination Using a Single Star Sensor
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概要
- 論文の詳細を見る
An initial quaternion estimation method for the attitude determination of a spacecraft using an onboard star sensor is presented. In this method, we use a sequence of the number of stars in the field of view (FOV) of the star sensor as the measurement instead of the direction vector pairs of stars. A new statistical observation model is derived and coupled with the kinematics model of attitude to develop a cost function of the estimated initial quaternion. The attitude acquisition method proposed herein exploits generalized simulated annealing to optimize the cost function and find the initial quaternion. In addition, a virtual sub-FOV and its shuffling procedure for a more accurate estimation are presented. The performance of the proposed method is quantified using an extensive simulation.
- 社団法人 日本航空宇宙学会の論文
- 2007-05-04
著者
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Chun Joohwan
Scientific Computing Laboratory Department Of Electrical Engineering Korea Advanced Institute Of Sci
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Cho Sangwoo
National Security Research Institute
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Wang Jinchun
Scientific Computing Laboratory Korea Advanced Institute Of Science And Technology
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Wang Jinchun
Scientific Computing Laboratory Department Of Electrical Engineering Korea Advanced Institute Of Sci
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