使用单数值检测退化恒星观测,以改善态度的确定
1Korea Aerospace Research Institute, Daejeon 34133, Republic of Korea.
Sensors (Basel, Switzerland)
|January 23, 2024
概括
这项研究通过计算恒星观测质量来提高态度确定精度. 这种新的算法使用单数值偏差和p值测试来改进权重,提高性能.
科学领域:
- 航空航天工程 航空航天工程
- 天体动力学是指天体动力学.
- 计算科学 计算科学
背景情况:
- 准确的态度确定对于航天器导航和控制至关重要.
- 现有的方法可能对噪声和观察错误敏感.
- 量化观测质量是稳健态度估计的关键.
研究的目的:
- 开发一种新的算法,以提高态度确定精度.
- 通过单数值分析引入一种计算恒星观测质量的方法.
- 整合量化错误水平作为权衡因素在态度的决定.
主要方法:
- 在态度转换下利用单数值的不变性.
- 通过单数值的偏差来评估错误大小.
- 应用p值假设测试用于错误级量化.
- 在态度确定过程中使用量化错误水平作为权重.
主要成果:
- 拟议的算法有效计算恒星观测质量.
- 使用p值假设测试成功得出量化误差水平.
- 模拟表明,计算的权重显著提高了姿态确定性能.
- 该方法显示了对观察错误的强化稳定性.
结论:
- 这种新的方法提供了可量化的恒星观测质量的衡量标准.
- 将这些质量指标作为权重整合起来,可以提高定位的准确性.
- 这种方法为强大的航天器态度确定提供了有希望的进步.
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