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月球传感器站将提高月球卫星导航系统的性能
Mauro Leonardi1, Gheorghe Sirbu1, Mattia Carosi2
1Department of Electronic Engineering, Tor Vergata University, Via del Politecnico 1, 00133 Rome, Italy.
Sensors (Basel, Switzerland)
|June 27, 2025
概括
月球导航系统对于月球探测至关重要. 这项研究通过局部传感器增强了基于卫星的定位,提高了未来月球任务的准确性和可用性.
科学领域:
- 太空科学与工程 太空科学与工程
- 导航和定位系统 导航和定位系统
- 月球探测技术 月球探测技术
背景情况:
- 月球探索需要强大的导航,以确保人类的存在和资源的利用.
- 现有的举措,如欧洲航天局的月光和美国宇航局的CAP,旨在利用卫星信号确定月球定位.
- 在月球表面和轨道上准确和连续定位是一个关键的挑战.
研究的目的:
- 提出和评估一个导航系统,以当地传感器增强基于卫星的月球定位.
- 调查局部传感器作为差异参考站,伪光灯和独立信标的使用.
- 分析用于月球导航的不同本地传感器集成策略的性能和可行性.
主要方法:
- 开发一个导航解决方案概念,初步设计和协议定义,用于局部基于传感器的系统.
- 使用Cramér-Rao下界 (CRLB) 公式进行理论准确性评估的性能比较.
- 通过蒙特卡洛模拟进行验证,以在各种场景下评估位置准确性.
主要成果:
- 当地传感器显著提高了基于卫星的月球导航系统的性能.
- 提出的解决方案提供了更好的准确性和可用性,特别是在受阻的月球地形中.
- 不同的传感器配置产生不同水平的导航性能.
结论:
- 局部传感器是一种可行且有效的方法,用于增强卫星导航,用于月球探测.
- 拟议的系统架构为未来的月球导航基础设施提供了灵活的框架.
- 对于未来的月球任务,建议对实施细节和现实世界的测试进行进一步的研究.
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