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论文:2012,Vol:30,Issue(4):503-507 |
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引用本文: |
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史格非, 方群. 利于金星观测的借力金星的火星探测器轨道设计方法研究[J]. 西北工业大学 |
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Shi Gefei, Fang Qun. Exploring Venus' Swing-By Flight Orbit Design for Mars Exploration[J]. Northwestern polytechnical university |
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利于金星观测的借力金星的火星探测器轨道设计方法研究 |
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史格非, 方群 |
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西北工业大学 航天飞行动力学技术国家重点实验室,陕西 西安 710072 |
摘要: |
借力飞行轨道是一种通过使用第二引力体去改变探测器相对于中心引力体的能量的轨道,它可以减少发射能量,增加发射窗口,并且可以对借力天体进行探测,这种轨道已经在Pioneer 10、Voyag-er 1、Galileo、NEAR-Shoemaker、Cassini等多次深空活动中得到了应用。文章提出了一种飞越段适应于金星探测的火星探测金星借力轨道设计方法。即以圆锥曲线拼接方法为基础,通过改变约束条件与总体设计流程,以拥有较为优越的金星借力轨道几何参数为目的,实现火星探测器的轨道设计。设计并通过仿真得到了一条利于观察金星、拥有较低发射能量的火星探测器金星借力轨道。应用该轨道不仅可以在探测火星的途中对金星进行观测且借力飞行,还可以降低发射成本,节省开支。考虑到在仿真过程中,遍历搜索的巨大计算量,为了提高研究效率,文中针对火星探测的轨道特点对遍历搜索仿真算法进行了优化,应用这种方法得到了准确的结果,而所耗费的时间则大大减少。 |
关键词:
火星探测轨道
借力飞行
轨道设计
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Exploring Venus' Swing-By Flight Orbit Design for Mars Exploration |
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Shi Gefei, Fang Qun |
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College of Astronautics,Northwestern Polytechnical University,Xi'an 710072,China |
Abstract: |
Sections 1 through 3 of the full paper explain our exploration mentioned in the title,which we believehas succeeded. Section 1 briefs relevant theoretical knowledge; Fig. 1 in section 1 is worth paying special attentionto. Section 2 is entitled“Application of Existing Theoretical Knowledge to Designing Venus' Swing-By Flight OrbitDesign for Mars Exploration"; it is divided into subsections 2. 1 through 2. 4 for convenience; in subsection 2. 3,the constraining relationship (6 172 km < r p <616 000 km) is worth paying special attention to. Section 3 is enti-tled“Simulation and Analysis"; the results,presented in Table 1 and Fig. 4 and their analysis show preliminarilythat we succeed in getting a Mars explorer's Venus' gravity-assist orbit which needsonly a low launch power. |
Key words:
design
energy efficiency
interplanetary spacecraft
orbits
schematic diagrams
trajectories;gravity-assist orbit
Mars' exploration orbit
orbit design
simulation
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收稿日期: 2011-10-25
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DOI: |
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作者简介: 史格非(1988-),西北工业大学硕士研究生,主要从事深空探测轨道设计与优化的研究。
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参考文献: |
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