利用旋转系绳系统进行空间站观测的绕飞飞行任务分析

IF 3.1 2区 物理与天体物理 Q1 ENGINEERING, AEROSPACE
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引用次数: 0

摘要

本文介绍了利用旋转系绳系统执行空间站绕飞任务的飞行方案,并验证了其可行性。绕飞任务的主要挑战在于难以兼顾低燃料消耗和长期绕飞观测。为解决这一问题,提出了一种新型旋转系绳系统。首先,介绍了旋转系链系统的绕飞过程,并基于牛顿-欧拉法建立了系链系统模型,对旋转运动进行了新颖的描述。其次,考虑到空间站独特的结构限制,详细介绍了两种绕飞方案和参考绕飞轨迹。第三,提出了一种用于跟踪绕飞卫星参考运动的反步进控制器,并对不同绕飞方案的燃料消耗进行了比较和分析。最后,数值结果验证了在所提出的控制策略下,旋转系绳系统可以在平面和垂直面上保持稳定的绕飞配置,对称的编队配置可以防止中心空间站受到绕飞卫星运动的影响。此外,能耗分析表明,与传统方案相比,系留系统在平面飞行时可节省 62.8%的冲量,是最节能的方案。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Analysis of fly-around mission with spinning tether system for space station observation
This paper presents the mission scenarios of using spinning tether system to conduct space stations fly-around mission and validates its feasibility. The main challenge of fly-around mission lies in the difficulty of balancing low fuel consumption and long-term fly-around observation. To deal with this problem, a novel spinning tether system is proposed. Firstly, the fly-around process with spinning tether system is introduced, and the tether system is modeled based on Newton-Euler method with a novel description of spinning motion. Secondly, Given the unique structural limitations of space stations, two fly-around schemes and referenced fly-around trajectories are detailed. Thirdly, a backstepping controller is proposed for tracking the reference motion of fly-around satellites, and the fuel consumption among different fly-around schemes is compared and analyzed. In the end, numerical results validate that under the proposed control strategy, the spinning tether system can maintain a stable fly-around configuration in both the planar and vertical plane, the symmetrical formation configuration prevents the central space station from being affected by the motion of fly-around satellites. Moreover, energy consumption analysis indicates that tethered system can save 62.8 % of impulse compared to traditional schemes when flying in the planar plane, making it the most energy-efficient option.
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来源期刊
Acta Astronautica
Acta Astronautica 工程技术-工程:宇航
CiteScore
7.20
自引率
22.90%
发文量
599
审稿时长
53 days
期刊介绍: Acta Astronautica is sponsored by the International Academy of Astronautics. Content is based on original contributions in all fields of basic, engineering, life and social space sciences and of space technology related to: The peaceful scientific exploration of space, Its exploitation for human welfare and progress, Conception, design, development and operation of space-borne and Earth-based systems, In addition to regular issues, the journal publishes selected proceedings of the annual International Astronautical Congress (IAC), transactions of the IAA and special issues on topics of current interest, such as microgravity, space station technology, geostationary orbits, and space economics. Other subject areas include satellite technology, space transportation and communications, space energy, power and propulsion, astrodynamics, extraterrestrial intelligence and Earth observations.
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