Distributed adaptive synchronization for multiple spacecraft formation flying around Lagrange point orbits

Distributed adaptive synchronization for multiple spacecraft formation flying around Lagrange point orbits
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绕拉格朗日点轨道飞行的多航天器编队分布式自适应同步

DOI:
10.1016/j.ast.2018.01.007
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发表时间:
2018-03
影响因子:
5.6
通讯作者:
Yuan Jianping
Yuan Jianping
中科院分区:
工程技术1区
文献类型:
--
作者:
Wang Wei;Mengali Giovanni;Quarta Aless;ro A;Yuan Jianping

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本文提出了一种围绕拉格朗日点轨道飞行的多个航天器编队的分布式自适应控制框架,该框架考虑了无法测量的速度和(航天器)质量的不确定性。编队系统的标称轨迹是由傅里叶级数展开参数化的晕轨道。这种对标称轨迹的明确但近似的描述有助于编队中的每个航天器将相对状态信息包含到协作反馈控制系统设计中,以便可以将相对运动驱动到期望的轨迹,同时在操纵期间保持群同步。所开发的分布式控制策略依赖于在具有相互信息交互的无向拓扑上制定的协议,利用每个可用的邻居到邻居通信数据耦合,以提高编组的可靠性。数值模拟表明,所提出的自适应控制律保证了全局渐近收敛和系统鲁棒性。
This paper presents a distributed adaptive control framework for multiple spacecraft formation flying around Lagrange point orbits, which account for unmeasurable velocities and (spacecraft) mass uncertainties. The nominal trajectory for the formation system is a halo orbit parameterized by Fourier series expansions. Such an explicit, albeit approximate, description of the nominal trajectory facilitates each spacecraft in formation to include the relative state information into a cooperative feedback control system design, so that the relative motion can be driven towards a desired trajectory while maintaining a group synchronization during the maneuver. The developed distributed control strategies rely on the protocols formulated on an undirected topology with mutual information interactions, utilizing every available neighbor-to-neighbor communication data couplings, in order to improve the reliability of the formation. Numerical simulations show that the proposed adaptive control laws guarantee global asymptotic convergence and system robustness.
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