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Station-keeping strategy for real translunar libration point orbits using continuous thrust

机译：使用连续推力的真实经月球游离点轨道的站位保持策略

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摘要

In this paper, we investigate the station-keeping strategy for translunar libration point orbits (LPOs) using the continuous thrust in the ephemeris model. Ephemeris models with and without the solar radiation pressure (SRP) are proposed for the numerical simulation. Three kinds of translunar LPOs, including halo orbits, vertical Lyapunov orbits, and Lissajous orbits, are used as nominal orbits. A station-keeping strategy based on the backstepping technique is extended to the ephemeris model. Then station keeping under practical constraints, caused by the navigation system and the executive system, is studied in ephemeris models with and without the SRP. Using numerical simulations, influences of the dead-band scheme, navigation errors, the navigation interval time and the area-to-mass ratio on station keeping are discussed, respectively. Furthermore, numerical simulations indicate that if the SRP is taken into account, LPOs obtained in the ephemeris model with the SRP is more preferable as nominal orbits than those without the SRP. More Monte-Carlo simulations testify that our control strategy can be applied to the long-term station keeping for different translunar LPOs. (C) 2019 Elsevier Masson SAS. All rights reserved.
机译：在本文中，我们使用星历模型中的连续推力研究跨月解放点轨道（LPO）的驻站策略。提出了有和没有太阳辐射压力（SRP）的星历模型进行数值模拟。包括晕圈轨道，垂直Lyapunov轨道和Lissajous轨道在内的三种跨月LPO被用作名义轨道。基于后推技术的站台维护策略被扩展到星历模型。然后，在有和没有SRP的星历模型中，研究由导航系统和执行系统引起的在实际约束下的站点保持。使用数值模拟，分别讨论了死区方案，导航误差，导航间隔时间和面积质量比对站点保持的影响。此外，数值模拟表明，如果考虑到SRP，则在星历模型中使用SRP的LPO作为标称轨道比不使用SRP的LPO更可取。更多的蒙特卡洛模拟证明，我们的控制策略可以应用于不同跨月LPO的长期定位。 （C）2019 Elsevier Masson SAS。版权所有。

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