相关实验视频
Updated: Jul 22, 2025

Method to Measure Tone of Axial and Proximal Muscle
Published on: December 14, 2011
这项研究引入了一种新的,低成本的方法,使用单模光纤合半导体激光器同时测量旋转轴的六度自由度运动误差. 开发的系统实现了关键加工和测量设备的高精度和效率.
科学领域:
- 计量学和测量科学 计量学和测量科学
- 光学工程是指光学工程.
- 精密工程 精密工程是指精密的工程.
背景情况:
- 旋转轴运动误差对数控机器和激光追踪器等精密设备的准确性产生重大影响.
- 对旋转轴的多个自由度运动误差的同时高精度测量仍然是一个具有挑战性的问题.
- 现有的方法往往缺乏全面错误分析的效率,简单性或成本效益.
研究的目的:
- 提出和开发一种新的,具有成本效益的系统,用于同时测量旋转轴的六度自由度 (6-DoF) 运动误差.
- 为了提高测量效率和精度,使用单模光纤合半导体激光器.
- 引入先进的相位解析算法,以获得高分辨率和高精度的干涉测量结果.
主要方法:
- 开发使用单模光纤合半导体激光器的测量系统.
- 实施混合相位解决方法,结合八个子部分和Cordic算法进行干扰信号分析.
- 通过稳定性,可重复性和与标准仪器进行比较测试,对系统性能进行实验验证.
主要成果:
- 开发的系统表现出了卓越的稳定性,在某些自由度下,测量的1小时标准偏差低至0.02微米.
- 在六个自由度中,可重复性偏差在±0.16μm到±13.42μm之间.
- 与标准仪器相比,最大偏差在0.46微米至1.53微米之间,证实了高精度.
结论:
- 拟议的方法提供了一种低成本,高精度的解决方案,用于同时测量旋转轴中的6-DoF运动误差.
- 该系统的高测量效率和简单结构使其适用于精密加工和测量设备.
- 先进的相位解析算法确保了高分辨率和高精度的干扰度测量.
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