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论文:2021,Vol:39,Issue(2):278-284 |
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引用本文： |
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贺波勇, 李恒年, 周庆瑞, 麻蔚然. Walker星座性能修复构型重构的弹性力学解法[J]. 西北工业大学学报 |
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HE Boyong, LI Hengnian, ZHOU Qingrui, MA Weiran. Configuration reconstruction elastic mechanics method for repairing a faulted Walker constellation performance[J]. Northwestern polytechnical university |
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| Walker星座性能修复构型重构的弹性力学解法 |
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| 贺波勇1,2, 李恒年1, 周庆瑞3, 麻蔚然1 |
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1. 西安卫星测控中心 宇航动力学国家重点实验室, 陕西 西安 710043;
2. 西北工业大学 航天学院, 陕西 西安 710072;
3. 中国空间技术研究院 钱学森空间技术实验室, 北京 100094 |
| 摘要: |
| Walker星座是全球覆盖最有效的星座，常用于对地观测、导航和互联网通信等。星座中卫星故障引起星座整体性能下降的场景可以使用在轨卫星构型重构一定程度上快速修复。与调整相邻卫星相位、均匀相位和均匀星座等经典策略不同，仿生薄膜板弹性力学应力应变过程，提出星座重构卫星机动策略，使修复后星座构型与之前相比性能下降最小，从而计算出每颗卫星机动策略。算例表明所提方法重构的星座比经典策略重构星座性能指标更优更协调。 |
| 关键词:
Walker星座
星座重构
弹性空间
弹性力学
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| Configuration reconstruction elastic mechanics method for repairing a faulted Walker constellation performance |
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| HE Boyong1,2, LI Hengnian1, ZHOU Qingrui3, MA Weiran1 |
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1. State Key Laboratory of Astronautic Dynamics, Xi'an Satellite Control Center, Xi'an 710043, China;
2. School of Astronautics, Northwestern Polytechnical University, Xi'an 710072, China;
3. Qian Xuesen Laboratory of Space Technology, China Academy of Space Technology, Beijing 100094, China |
| Abstract: |
| Walker constellation is the most effective constellation for global coverage and is often used for earth observation, navigation and internet communication. A scenario that several faulted satellites in a Walker constellation lead to its performance degradation can be quickly repaired to a certain extent by reconstructing the on-orbit satellite configuration. Different from the classical strategies such as adjusting the phase of the adjacent satellites, uniform the on-satellites' phase and adjusting the plane of the adjacent satellites, this paper proposes a bionic reconstruction method which uses the elastic mechanics method of thin film plate to generate the satellite maneuver strategy in the constellation reconstruction process, minimizes the performance degradation between the repaired configuration and the previous configuration. Thus, the maneuver strategy of each satellite can be calculated in reversely. The simulation example shows that the maneuver strategy by the bionic reconstruction method is more harmonious and natural than the classical strategies. |
| Key words:
Walker constellation
constellation reconstruction
elastic space
elastic mechanics
simulation
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| 收稿日期: 2020-06-28
修回日期:
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| DOI: 10.1051/jnwpu/20213920278 |
| 基金项目: 国家自然科学基金（11902362）资助 |
| 通讯作者:
Email： |
| 作者简介: 贺波勇(1989-),西北工业大学博士后,主要从事航天器轨道动力学与控制研究。
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