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Issue:
Multi-Satlet Layout Plan in the Reuse of Retired Spacecraft Antenna
Author(s):
LANG Xiao-yu
,
ZHANG Jin-xiu
,
CAO Xi-bin
Pages:
1235
-
1241
Year:
2015
Issue:
11
Journal:
Journal of Astronautics
Keyword:
Retired spacecraft
;
Antenna reuse
;
Satlet
;
Layout plan
;
Abstract:
针对失效航天器大型天线进行再利用过程中的多细胞卫星(Satlet)布局问题,推导基于Lagrange方程的多Satlet天线动力学方程.通过分析天线振动对Satlet布局位置的影响和Satlet对天线系统的扰振,提出Satlet布局规划过程中的约束条件.在此基础上,采用遗传算法给出Satlet在天线系统中的最优布局,并采用协方差矩阵自适应进化策略(CMAES)对结果进行校验,以保证Satlet最优位置的准确性.仿真结果表明,失效航天器系统采用由上述优化算法给出的最优位置对Satlet进行布局,可以使得失效航天器的大型天线完成再利用过程中的姿态控制任务.
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