スターセンサ基準の姿勢角算出の高速化について A Fast Algorithm for Attitude Determination Using Star Sensors

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This paper discusses the estimation method of the satellite attitude when star sensors are the only attitude sensors. Among the previously proposed estimation methods, the algebraic method and the q-method are representative ones. The algebraic method is fast but less accurate, whereas the q-method gives the optimal solution but takes much more time. The proposed method uses the solution of the algebraic method as an initial estimate and applies Newton method to obtain a more accurate solution by iterations. The iteration procedure is simplified by using the estimate of the last iteration. Thus the calculation time is shortened. From numerical simulations, it is shown that the proposed method gives the same optimal solution as the q-method and is much faster than the q-method. The proposed method is fairly competitive in calculation time, compared with the Markley's method (a variation of the q-method) credited as the fastest optimal estimation method. Besides computation of four rules (+, -, × and ÷), Markley's method includes seven square roots computation, a trigonometric function and an inverse trigonometric function, whereas the proposed method includes only two square roots computation. Therefore, in view of on-board applications, the proposed method is more suitable.

収録刊行物

  • 日本航空宇宙学会誌 = Journal of the Japan Society for Aeronautical and Space Sciences  

    日本航空宇宙学会誌 = Journal of the Japan Society for Aeronautical and Space Sciences 46(536), 504-511, 1998-09 

    一般社団法人 日本航空宇宙学会

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各種コード

  • NII論文ID(NAID)
    10002863077
  • NII書誌ID(NCID)
    AN00189072
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    00214663
  • NDL 記事登録ID
    4553827
  • NDL 雑誌分類
    ZN25(科学技術--運輸工学--航空機・ロケット)
  • NDL 請求記号
    Z16-436
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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