Nonlinear dynamics of a rotating triangular tethered satellite formation near libration points

Nonlinear dynamics of a rotating triangular tethered satellite formation near libration points
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平动点附近旋转三角形系留卫星编队的非线性动力学

DOI:
10.1016/j.ast.2015.02.005
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发表时间:
2014-07
影响因子:
5.6
通讯作者:
Zhou, Hong
Zhou, Hong
中科院分区:
工程技术1区
文献类型:
--
作者:
Cai, Zhiqin;Li, Xuefu;Zhou, Hong

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研究了旋转三角形绳系卫星编队在平动点附近的非线性耦合动力学问题。基于Hill近似,建立了平动点附近旋转三角系留系统的动力学方程。该制剂包括一组强非线性耦合方程。采用全非线性时变运动方程对位置保持级进行了数值模拟。分析了三角系留编队的动力学特性。数值计算结果表明,旋转速率对系统的稳定性有显著影响,而轨道振幅对系统的稳定性有中等影响。系绳长度对系统质心运动的影响很小。为解决任意平面内三角系留系统的转动问题奠定了基础。
The nonlinear coupled dynamics of a rotating triangular tethered satellite formation near libration points is presented. Based on Hill's approximation, the dynamical formulation for a rotating triangular tethered system near libration points is developed. The formulation comprises a set of strong nonlinear coupled equations. Numerical simulations using the full nonlinear and time-varying motion equations are performed for the station-keeping stages. The dynamic characteristics of the triangular tethered formation are analyzed. The numerical results demonstrate that the rotation rate has a significant impact on the stability of the system, whereas the orbital amplitude has a moderate impact on the stability of the system. Tether length has little effect on the motion of the system's center of mass. It can be served as a basis to solve the problem of rotating triangular tethered systems in any arbitrary plane.
DOI: --
发表时间: 2001-09
期刊: --
影响因子: --
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