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首页> 外文会议>2014 International Conference on Mechatronics and Control >Suitability of two INS trans-alignment methods in powered phase of launch vehicle
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Suitability of two INS trans-alignment methods in powered phase of launch vehicle

机译：两种INS对准方法在运载火箭动力阶段的适用性。

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摘要

Take INS transfer alignment (trans-alignment) in powered phase of launch vehicle as example, suitability of two methods is compared in the paper. One is under launched point inertial coordinate, and the other is local geographical. Differences of state vectors choice, error-propagation, measurement model and influences of attitude maneuvers in powered phases under different coordinates are surveyed through theoretical analysis and simulation. Results validated that there are obvious differences between alignments under these two coordinates, and relative conclusions could provide important reference information for research on theories and design of engineer schemes.
机译：以运载火箭动力阶段的惯导传递对准（反对准）为例，比较了两种方法的适用性。一种是在发射点惯性坐标下，另一种是本地地理。通过理论分析和仿真，研究了状态向量选择，误差传播，测量模型以及动力相在不同坐标系下姿态的影响。结果证明，在这两个坐标下的线形之间存在明显的差异，并且相对的结论可以为工程师方案的理论和设计研究提供重要的参考信息。

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