一个多位置对齐方案的设计
Bofan Guan1, Zhongping Liu2, Dong Wei1
1School of Automation, Northwestern Polytechnical University, Xi'an 710072, China.
Sensors (Basel, Switzerland)
|March 28, 2024
概括
这项研究通过在对齐过程中旋转惯性测量单元 (IMU) 来增强惯性导航系统. 这种方法有效地抑制了陀螺尺度因子错误,大大提高了导航准确度.
科学领域:
- 导航系统工程 导航系统工程
- 机械电子和控制系统
背景情况:
- 越来越多地使用新的惯性导航系统,包括旋转式和三自主类型.
- 在惯性测量单元 (IMU) 中的旋转机制可以提高对齐精度.
研究的目的:
- 调查旋转调制以抑制初始对齐错误.
- 分析组件错误对IMU在旋转过程中对齐准确性的影响.
- 为光纤陀螺仪尺度因子错误设计一个错误抑制方案.
主要方法:
- 在调整过程中实施IMU旋转.
- 研究了用于错误抑制的旋转调制原理.
- 分析了组件错误对对齐准确性的影响.
- 通过模拟和实验设计和验证了一个错误抑制方案.
主要成果:
- 设计的对齐方案有效地抑制了由角运动引起的陀螺尺度因子误差.
- 通过拟议的方法,可以实现更好的对齐精度.
- 旋转调制证明有效地减轻了特定误差值.
结论:
- 在对齐过程中旋转IMU是增强惯性导航系统的可行策略.
- 开发的方案成功地解决了光纤陀螺仪尺度因子错误.
- 这项研究有助于更准确,更可靠的惯性导航解决方案.
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