具有软终端条件的时间最优轨道转移的推力延续

IF 1.8 4区物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS

Astrophysics and Space Science Pub Date : 2024-04-12 DOI:10.1007/s10509-024-04303-9

Yang Wang, Xiyun Hou, Francesco Topputo

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引用次数: 0

摘要

本文研究了具有软终端条件的时间最优轨道转移。首先，设计了一种双层推力延续方法。通过切换不同的求解曲线来处理不利的推力延续路径。其次，将提出的方法应用于求解笛卡尔坐标下两体或三体动力学条件下的时间最优转移，以验证其有效性。在一般轨道转移中，飞行时间与推力水平之间的乘积近乎守恒。当初始轨道和末端轨道之间的偏心率相差足够大时，还显示出这一数量随偏心率的线性变化。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Thrust continuation of time-optimal orbital transfers with soft terminal conditions

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Thrust continuation of time-optimal orbital transfers with soft terminal conditions

Time-optimal orbital transfers with soft terminal conditions are studied in this work. First, a two-layer thrust continuation method is devised. The unfavorable thrust continuation path is handled by switching between different solution curves. Second, the proposed method is applied to solving time-optimal transfers under two- or three-body dynamics with Cartesian coordinates to verify its effectiveness. The near conservation of the product between the time of flight and the thrust level is observed for general orbital transfers. A linear variation of this quantity with eccentricity is also illustrated when the difference in eccentricity between the initial and terminal orbits is large enough.

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来源期刊

Astrophysics and Space Science 地学天文-天文与天体物理

CiteScore

3.40

自引率

5.30%

发文量

106

审稿时长

2-4 weeks

期刊介绍： Astrophysics and Space Science publishes original contributions and invited reviews covering the entire range of astronomy, astrophysics, astrophysical cosmology, planetary and space science and the astrophysical aspects of astrobiology. This includes both observational and theoretical research, the techniques of astronomical instrumentation and data analysis and astronomical space instrumentation. We particularly welcome papers in the general fields of high-energy astrophysics, astrophysical and astrochemical studies of the interstellar medium including star formation, planetary astrophysics, the formation and evolution of galaxies and the evolution of large scale structure in the Universe. Papers in mathematical physics or in general relativity which do not establish clear astrophysical applications will no longer be considered. The journal also publishes topically selected special issues in research fields of particular scientific interest. These consist of both invited reviews and original research papers. Conference proceedings will not be considered. All papers published in the journal are subject to thorough and strict peer-reviewing. Astrophysics and Space Science features short publication times after acceptance and colour printing free of charge.