| 热流限制下的最优气动力辅助变轨 |
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| 引用本文： | 张海联,吴德隆.热流限制下的最优气动力辅助变轨[J].上海航天,1999,16(4):6-11. |
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| 作者姓名： | 张海联 吴德隆 |
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| 作者单位： | [1]国防科技大学 [2]中国运载火箭技术研究院 |
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| 摘 要： | 以变轨能量消耗最小为优化目标，应用极大值原理研究了飞行过程受热流限制和升力系统约束下的气动力辅助共面变轨问题，飞行过程成分第一自由弧段，约束弧段，第二自由弧段三个部分，讨论了升力系数的最优表达式，分析了飞行过程中两种约束的相互作用，给出了约束弧起始位置的角点条件和终端的横截条件下，对不同的初值选取方法讨论了三种计算策略，并给出了数值算例。
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| 关 键 词： | 热流限制 气动力辅助变轨 极大值原理 优化 |
AERO ASSISTED OPTIMAL ORBITAL TRANSFER PROBLEM WITH HEAT FLOW CONSTRAINT |
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| ZHANG Hai lian ,ZHOU Jian ping ,WU De long ,WANG Xiao jun.AERO ASSISTED OPTIMAL ORBITAL TRANSFER PROBLEM WITH HEAT FLOW CONSTRAINT[J].Aerospace Shanghai,1999,16(4):6-11. |
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| Authors: | ZHANG Hai lian ZHOU Jian ping WU De long WANG Xiao jun |
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| Institution: | ZHANG Hai lian 1,ZHOU Jian ping 1,WU De long 2,WANG Xiao jun 2 |
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| Abstract: | This paper studied minimum fuel coplanar orbital transfer with heat flow constraint and lift coefficient constraint by applying Pontryagin maximum principle. Flying arc is divided into three subarcs: first free, constrained and second free. The optimal expression of lift coefficient and relations between two constraints during flight are derived. Corner conditions at the beginning and the end of the constrained subarc, and the transverse conditions at the end of flight are also discussed. Three computational trajectories are proposed according to different selections of initial values. |
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| Keywords: | Heat flow constraint Aero assisted orbital transfer Maximum principle Optimization |
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