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    • 52. 发明授权
    • Flight control device, spacecraft, and reference trajectory correcting method
    • 飞行控制装置,航天器和参考轨迹校正方法
    • US09045240B2
    • 2015-06-02
    • US14131502
    • 2012-07-11
    • Tetsuya NagaseAtsushi Sasaki
    • Tetsuya NagaseAtsushi Sasaki
    • G01C23/00B64G1/24
    • B64G1/242B64G1/24B64G1/62
    • A flight control method and device for correcting a reference trajectory based on a distance from a current position to a target position in a spacecraft in flight. A CPU included in the spacecraft generates a reference trajectory which is a trajectory for allowing the spacecraft in flight to arrive at the target position on a celestial body with the atmosphere, and which is identified based on velocity or energy of the spacecraft and on drag acceleration of the spacecraft. The CPU calculates a ratio between the range that is a distance from the current position based on the reference trajectory to the target position, and the real range that is a real distance from a current position to the target position, and corrects the reference trajectory by calculating the drag acceleration in the reference trajectory using the calculated ratio.
    • 一种飞行控制方法和装置,用于基于从飞行中的航天器中的当前位置到目标位置的距离来校正参考轨迹。 包括在航天器中的CPU产生参考轨迹,该轨迹是允许飞行中的航天器到达具有大气的天体上的目标位置的轨迹,并且基于航天器的速度或能量以及拖曳加速度来识别 的航天器。 CPU根据基准轨迹计算与当前位置距离的距离与目标位置之间的距离,以及作为从当前位置到目标位置的实际距离的实际范围,并将基准轨迹修正为 使用计算的比率计算参考轨迹中的拖动加速度。