D-SEND#2誘導制御則の飛行後評価

DOI Web Site Web Site 参考文献3件
  • 川口 純一郎
    連絡先著者（Corresponding author）：kawaguchi.junichiroh@jaxa.jp 宇宙航空研究開発機構航空技術部門
  • 鈴木 広一
    宇宙航空研究開発機構研究開発部門
  • 二宮 哲次郎
    宇宙航空研究開発機構航空技術部門
  • 冨田 博史
    宇宙航空研究開発機構航空技術部門

書誌事項

タイトル別名
  • Post-Flight Evaluation of the Guidance and Control Law for D-SEND#2
  • D-SEND#2 ユウドウ セイギョソク ノ ヒコウ アトヒョウカ

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説明

This paper describes the post-flight evaluation results of the guidance and control system flown in D-SEND#2 2nd drop test. The guidance law comprises on-line trajectory generation to cope with varying separation conditions and real-time trajectory prediction to adapt various modelling errors and uncertainties. The control law was developed by use of the hierarchy-structured dynamic inversion to accommodate a broad flight envelope. The 2nd drop test was successfully conducted on July 24th in 2015 at Esrange Space Center in Sweden, and all the flight data were acquired via telemetry. It was concluded that both the flight requirements and the measurement requirements were satisfied and that the guidance and control law worked accurately as designed. However, it was also concluded that there was a significant amount of aerodynamic error especially with respect to the drag coefficient. The estimated aerodynamic errors and atmospheric conditions during the flight were then incorporated into a numerical simulation and the actual flight behavior was to a large extent reproduced.

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