基于激光振动计的高精度角振动校准系统的设计和验证
Xinghan Lin1, Zhigang Huang1, Keyou Guo1
1School of Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China.
Sensors (Basel, Switzerland)
|October 16, 2024
概括
开发了一种使用激光振动计的新型高精度角振动校准系统. 它准确地测量了小角度振动,为航天器控制系统提供了关键支持.
科学领域:
- 机械工程 机械工程
- 航空航天工程 航空航天工程
- 计量学 计量学 计量学
背景情况:
- 精确测量小角度振动对于高精度应用至关重要,特别是在航天器中.
- 现有的校准系统可能缺乏必要的精度或稳定性,以满足苛刻的航空航天要求.
研究的目的:
- 设计和验证一种新型高精度角振动校准系统.
- 为了满足测量微小角振动的严格要求.
- 为太空飞船中精确的角振动控制提供技术支持.
主要方法:
- 开发一个由自动驾驶角振动平台和激光振动计组成的系统.
- 使用空气浮动系统将平台与地面干扰隔离.
- 使用ANSYS 11进行有限元分析 (FEA) 来确定模态特征和弹板稳定性.
- 基本频率测试和测量精度评估.
主要成果:
- 该系统实现了2.69赫兹的基本频率.
- 最大的测量误差被确定为0.00172弧秒.
- 验证证实了系统在动态特性,稳定性和测量精度方面的有效性.
结论:
- 设计的角振动校准系统符合高精度测量要求.
- 该系统表现出卓越的稳定性和准确性,通过模拟和实验验证.
- 这项研究为航天器应用中先进的角振动控制提供了重要的技术支持.
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