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Trajectory optimization and guidance for reentry craft based on hp-adaptive pseudospectral method
Authors
夏红伟
宋效正
+3 more
李秋实
李莉
王常虹
Publication date
1 January 2015
Publisher
Abstract
研究了一种基于hp自适应伪谱法的飞行器再入在线轨迹优化与制导方法。首先针对飞行器再入段在末速度最大的条件约束下进行了轨迹优化;然后针对再入段地球大气分布不均匀、建模误差、扰动等因素,设计了基于hp自适应伪谱法的反馈制导方法;最后进行了数学仿真研究。仿真结果表明:采用本文提出的反馈制导方法得到的末速度为6.93 km/s,比未采用闭环制导的方法提高了0.33 km/s,并且制导精度提高了15倍
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Shenyang Institute of Automation,Chinese Academy Of Sciences
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Last time updated on 12/02/2018