一种基于Strapdown惯性导航系统的自协同仪轴向测量方法
Wenjia Ma1,2, Jianrong Li1, Shaojin Liu1
1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China.
Sensors (Basel, Switzerland)
|April 27, 2024
概括
本研究引入了一种新的光轴测量方法,使用带式惯性导航系统 (SINS) 来克服自动聚合器的局限性. 基于SINS的方法使得准确的轴测量,即使在非等级条件下.
科学领域:
- 光学工程是指光学工程.
- 导航系统 导航系统
- 计量学 计量学 计量学
背景情况:
- 自动聚合器是轴测量必不可少的光学工具,但在非水平条件下,它们的误差增加,范围有限.
- 现有的测量原理限制了在动态或不均的环境中自动聚合器的应用.
研究的目的:
- 开发和验证一种能够在非等级条件下运行的新型自动聚合器轴测量方法.
- 为了提高光轴测量的多功能性和准确性,在具有挑战性的环境中.
主要方法:
- 一个测量模型集成带式惯性导航系统 (SINS) 来跟踪自动聚合器态度的变化.
- 使用SINS数据进行态度测量,并将其与自动聚合器的角度测量相结合.
- 在多传感器系统中使用信号处理和数据融合进行计算.
- 进行蒙特卡洛模拟以分析系统错误和验证性能.
主要成果:
- 模拟分析表明,大多数测量误差在±0.002°以内,整体精度在±0.006°以内.
- 实验测试证实了模拟结果,显示大多数误差在±0.004°内,整体误差在±0.006°内.
- 拟议的方法在模拟和现实世界测试之间展示了一致的结果.
结论:
- 基于SINS的方法有效地克服了在非等级条件下传统自动聚合器的局限性.
- 这种方法可以在移动的基础上和动态环境中对自动聚合器进行精确的轴测量.
- 该研究验证了拟议测量技术的可行性和准确性.
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