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使用旋转调制技术的MEMS带式惯性态度测量系统
Wei Sun1, Heng Huang1, Peilun Sun1
1School of Geomatics, Liaoning Technical University, Fuxin, China.
PloS one
|February 13, 2024
概括
这项研究介绍了一种基于MEMS的旋转Strapdown惯性态度测量系统 (SIAMS),通过IMU旋转自动补偿传感器偏差. 这种方法提高了姿态准确性,使MEMS系统与战术级单位具有竞争力.
科学领域:
- 导航系统工程 导航系统工程
- 传感器技术 传感器技术
- 机械电子学是什么意思 机械电子学
背景情况:
- 态度的确定对于跟踪移动的物体至关重要.
- 微电机系统 (MEMS) 传感器提供了经济实惠的态度测量,但需要校准.
- 现有的Strapdown惯性态度测量系统 (SIAMS) 需要对错误进行补偿.
研究的目的:
- 开发一个基于MEMS的自动偏差补偿旋转SIAMS.
- 为了实现与战术级惯性测量单元 (IMU) 相当的性能.
- 通过调节和补偿传感器错误来提高MEMS立场准确度.
主要方法:
- 根据错误误调整关系推导出一个MEMS校准模型.
- 应用多位置旋转校准方法来估计确定性传感器错误 (偏差,尺度因子,错位).
- 在SIAMS中通过IMU旋转利用自动传感器偏差补偿.
主要成果:
- 拟议的旋转SIAMS有效调节和补偿MEMS传感器错误.
- 模拟和实验结果表明,立场准确度有所提高.
- 该系统的性能与战术级IMU相当.
结论:
- 开发的基于MEMS的旋转SIAMS提供了一个具有成本效益的解决方案,用于准确的态度确定.
- 通过IMU旋转自动偏差补偿可以显著提高MEMS传感器的性能.
- 这种方法弥合了MEMS和战术级惯性系统之间的性能差距.
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