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Giacomo Lari, Marco Zannoni, Daniele Durante, Ryan S. Park and Giacomo Tommei
The extreme accuracy of Juno radio science data allows us to perform very precise orbit determination experiments. While previous works focused on the estimation of the gravitational field of Jupiter, in this article, we aim to accurately determine the p...
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Dmitry Shved, Natalia Supolkina and Anna Yusupova
The increasing complexity of the space flight program and the increase in the duration of missions require an improvement in psychological monitoring tools for astronauts in orbit. This article summarizes the experience of using quantitative content anal...
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David Zuehlke, Madhur Tiwari, Khalid Jebari and Krishna Bhavithavya Kidambi
As interest in Moon exploration grows, and efforts to establish an orbiting outpost intensify, accurate modeling of spacecraft dynamics in cislunar space is becoming increasingly important. Contrary to satellites in Low Earth Orbit (LEO), where it takes ...
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Yuchen Liu, Lai Teng and Zhonghe Jin
Space robots exhibit a strong dynamic coupling between the manipulator and the base spacecraft, with this phenomenon being particularly pronounced in mini space robots. The uncertainty surrounding the inertial parameters of space robots often renders dyn...
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Yongshang Wei, Tianxi Liu, Cheng Wei, Ruixiong Zhang and Haiyu Gu
In this study, differential game theory was applied to propose two guidance laws of a pursuer in an orbit pursuit?evasion?defense game. One was a conservative guidance law of maneuvering to absolute safety before pursuing the evader, and the other was a ...
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Yingying Song, Qingrui Zhou and Qingwei Chen
Electromagnetic formation flight uses the electromagnetic interaction between satellites to provide maneuver control for formation satellites, with the advantages of no propellant consumption, long life, and high flexibility. However, high-precision cont...
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Ahmed Mahfouz, Gabriella Gaias, D. M. K. K. Venkateswara Rao and Holger Voos
In this paper, the problem of autonomous optimal absolute orbit keeping for a satellite mission in Low Earth Orbit using electric propulsion is considered. The main peculiarity of the approach is to support small satellite missions in which the platform ...
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Ting Song, Zixuan Zheng, Yufei Guo and Jianping Yuan
A model-free control method is applied to the attitude and orbital operation of the post-capture combined spacecraft, which consists of a space robot and debris. The main contribution of this paper lies in the following three aspects. Firstly, the discre...
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Weijun Wang, Chongfeng Zhang, Chenkun Qi, Lijia Fu and Shigang Wang
The docking mechanism is the key system for realizing the lunar-orbit docking mission of two spacecraft, which needs to have both capture correction and connection hold functions. The different stiffness requirements between the capture correction proces...
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Tao Yang, Fang Xu, Si Zeng, Shoujun Zhao, Yuwang Liu and Yanbo Wang
This paper presents a novel control strategy for transferring large inertia loads using flexible space manipulators in orbit. The proposed strategy employs a Luenberger state observer and damping-stiffness controller to address issues of large tracking e...
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