|
|
|
Xuedong Li, Yuan Xie, Yumo Tian and Fengjiang An
Extravehicular activity (EVA) is a key point and a difficult point for manned spaceflight tasks, as well as an inevitable trend in the development of the manned spaceflight industry. Equipment maintenance, load installation, and extravehicular routing in...
ver más
|
|
|
|
|
|
|
Daniele Cafolla, Jorge E. Araque-Isidro and Marco Ceccarelli
Space robots are one of the most promising solutions for on-orbit servicing (OOS) duties like docking, berthing, refueling, re-pairing, upgrading, transporting, rescuing, and orbital trash disposal. Numerous enabling techniques and technological demonstr...
ver más
|
|
|
|
|
|
|
Yuxian Yue, Jinyue Geng, Guanhua Feng and Wenhao Li
Very-low Earth orbit (VLEO) space below 200 km is essential for high-quality communications and near-Earth space environment detection. Due to the significant atmospheric drag, orbital maintenance is required for spacecraft staying here. Based on air-bre...
ver más
|
|
|
|
|
|
|
Dongbo Liu and Li Chen
The on-orbit operation of insertion and extraction of space robots is a technology essential to the assembly and maintenance in orbit, satellite fuel filling, failed satellite recovery, especially modular in-orbit assembly of micro-spacecraft. Therefore,...
ver más
|
|
|
|
|
|
|
Jingxi Liu, Bo Xu, Chengzhang Li and Muzi Li
Due to the non-spherical perturbation of the Moon, the lifetime of ultra low-altitude Lunar spacecraft may be quite short. In this paper, we analyze the lifetime of about 50 km-altitude Lunar spacecraft with different initial orbit. The lifetime in low i...
ver más
|
|
|
|
|
|
|
Salvatore Sarno, Mariano Iervolino and Giancarmine Fasano
This paper proposes an approach for impulsive formation maintenance tailored to distributed synthetic aperture radar, i.e., a spaceborne system composed by several antennas working together to provide enhanced remote sensing capabilities. The analyzed co...
ver más
|
|
|
|
|
|
|
Marco Peterson, Minzhen Du, Bryant Springle and Jonathan Black
The proliferation of reusable space vehicles has fundamentally changed how assets are injected into the low earth orbit and beyond, increasing both the reliability and frequency of launches. Consequently, it has led to the rapid development and adoption ...
ver más
|
|
|
|
|
|
|
Bing Hua, Shengjun Zhong, Yunhua Wu and Zhiming Chen
To solve the problem of communication delays and topology changes and achieve a high-precision formation configuration control index in the flight control of SAR (synthetic aperture radar) satellite formations, this paper studies the consistency cooperat...
ver más
|
|
|
|
|
|
|
Jérémie Gaffarel, Afrasiab Kadhum, Mohammad Fazaeli, Dimitrios Apostolidis, Menno Berger, Lukas Ciunaitis, Wieger Helsdingen, Lasse Landergren, Mateusz Lentner, Jonathan Neeser, Luca Trotta and Marc Naeije
With Mars colonisation becoming a reality for the near future, it is of importance to analyse how crew and cargo can be transported between Earth and a colony on Mars. This article is a feasibility and design study of a launch vehicle whose mission is to...
ver más
|
|
|
|
|
|
|
Pengfei Xiao, Hehua Ju, Qidong Li and Feifei Chen
This study studies the problem of on-orbit maintenance task planning for space-robot clusters. Aiming at the problem of low maintenance efficiency of space-robot cluster task-planning, this study proposes a cluster-task-planning method based on energy an...
ver más
|
|
|
|