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相关概念视频

Atomic Force Microscopy01:08

Atomic Force Microscopy

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Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...
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相关实验视频

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The Generation of Higher-order Laguerre-Gauss Optical Beams for High-precision Interferometry
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一种高精度的多束光学测量方法,用于圆柱形表面形状.

Yinghong Zhou1, Zhiliang Wu1, Nian Cai1

  • 1School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China.

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|August 26, 2023
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概括

一种新的多束光学方法精确测量圆柱形工件表面轮. 这种光学传感技术在确定曲率半径方面实现了高精度,优于现有方法.

关键词:
这是一个圆柱形的表面形状.机器视觉 机器视觉 机器视觉多束光学测量多束光学测量表面正常向量 表面正常向量

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科学领域:

  • 计量学 计量学 计量学
  • 光学工程是指光学工程.
  • 表面计量学 表面计量学

背景情况:

  • 准确测量圆柱形工件表面轮对于质量控制至关重要.
  • 现有的方法在复杂的表面表征方面可能缺乏精度或效率.

研究的目的:

  • 开发一种高精度,自动化的光学方法来测量圆柱形工件的表面形状.
  • 为了能够准确地确定圆柱形表面的曲率半径.

主要方法:

  • 使用多束角度传感器在不同的光方向下采集工件表面的连续图像.
  • 从图像特征区域估计光方向和计算表面正常向量.
  • 基于表面正常向量的深度图的重建,以确定曲率表面.

主要成果:

  • 提出的方法成功地重建了圆柱形工件的曲率表面形状.
  • 在曲率半径测量中获得了0.89%的平均误差.
  • 证明了10.226秒的合理测量速度.

结论:

  • 多束光学方法为圆柱形工件的自动表面形状测量提供了精确有效的解决方案.
  • 该技术与现有方法相比,提供了更高的测量精度.
  • 这种方法为工业应用提供了精确的曲率半径测定.