A STUDY OF LOW-THRUST TRAJECTORIES FOR LOW ORBIT MULTIPLE CUBESAT MISSIONS

被引:0
|
作者
Ghosh, Alexander [1 ]
Coverstone, Victoria [1 ]
机构
[1] Univ Illinois, Dept Aerosp Engn, Urbana, IL 61801 USA
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中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
This work discusses the usage of a low-thrust micro-cavity discharge thruster on 3 kg cubesats. Based on a case study of a two-satellite system, the required trajectories, and control use is determined to allow the cubesats to recover from disturbances, and extended their usable lifetime by a factor of at least 10. The approach uses a direct transcription method that employs multiple-shooting of a 4th order Runge-Kutta forward-integration of the state and control defects. It also lays the groundwork for future study into problems regarding cubesat formation phasing with larger numbers of spacecraft.
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页码:1117 / 1133
页数:17
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