受信電力の変動を利用する超小型人工衛星ＨＩＴ－ＳＡＴの姿勢検出法

DOI Web Site Web Site 被引用文献3件 参考文献12件
  • 佐藤 立博
    北海道工業大学大学院 工学研究科 応用電子工学専攻
  • 三橋 龍一
    北海道工業大学大学院 工学研究科 応用電子工学専攻
  • 佐鳥 新
    北海道工業大学大学院 工学研究科 応用電子工学専攻
  • 佐々木 一正
    北海道工業大学大学院 工学研究科 応用電子工学専攻

書誌事項

タイトル別名
  • Attitude Detection Method of Nano Satellite HIT-SAT by Fluctuation of Received Signal Strength
  • ジュシン デンリョク ノ ヘンドウ オ リヨウ スル チョウコガタ ジンコウ エイセイ HIT SAT ノ シセイ ケンシュツホウ

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抄録

In recent years, many universities have already launched small satellite on-orbit. Attitude information is important for satellite operation. However, many nano-satellite communication systems used amateur radio by narrow bandwidth frequency segment. Therefore, down-link of attitude information is expected to require substantial time. In this paper, we propose establishment of the attitude estimation method by means of the received radio power. And, satellite attitude information being estimated from the fluctuation of the received power. Then, comparison of satellite data obtained from on-board sensors with ground experiment. One major problem in this approach is the effect of Earth's ionosphere. As the radio signal passes through the ionosphere, the polarization angle is rotated by the Faraday Effect. The detection of attitude by the radiation pattern has been assumed that inaccurate. However, we are get data the spin satellite of liner polarization antenna. As a result, we can estimate 0.12rad/s accuracy of angular velocity measurement. This method can be applied to the attitude detection of many small satellites.

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