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相关概念视频

Instrument Calibration01:12

Instrument Calibration

267
Instrument calibration is essential for ensuring that instruments produce accurate and consistent results. It is vital in manufacturing, healthcare, testing laboratories, and scientific research. Calibration processes are specific to each instrument and help enhance data accuracy. Each instrument has a unique calibration process tailored to its design and function to improve data accuracy.
Analytical Balance Calibration
An analytical balance measures mass and requires regular calibration to...
267
Calibration Curves: Linear Least Squares01:20

Calibration Curves: Linear Least Squares

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A calibration curve is a plot of the instrument's response against a series of known concentrations of a substance. This curve is used to set the instrument response levels, using the substance and its concentrations as standards. Alternatively, or additionally, an equation is fitted to the calibration curve plot and subsequently used to calculate the unknown concentrations of other samples reliably.
For data that follow a straight line, the standard method for fitting is the linear...
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Stereo-Imaging System DLT Calibration to Capture 3D In Situ Displacements of Stretched Peripheral Nerves
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机器人灵活3D扫描系统的增强校准方法

Zhilong Zhou1, Jinyong Shangguan1, Xuemei Sun1

  • 1College of Mechanical and Vehicle Engineering, Linyi University, Linyi 276012, China.

Sensors (Basel, Switzerland)
|August 14, 2025
PubMed
概括

本研究介绍了机器人3D扫描仪的先进校准方法,显著提高了先进制造业中大型元件的测量精度. 新技术将最大测量误差减少50%以上.

科学领域:

  • 先进的制造先进的制造
  • 计量学 计量学 计量学
  • 机器人技术 机器人技术 机器人技术

背景情况:

  • 大型元件的高精度质量控制需要高效的3D测量.
  • 现有的方法在复杂的大型物体的准确性方面存在困难.

研究的目的:

  • 为机器人安装的边缘投射3D扫描仪开发一种增强的校准方法.
  • 为了提高具有局部特征的大型元件的三维 (3D) 测量精度.

主要方法:

  • 开发了一种灵活的测量系统,集成了一个边缘投影3D扫描仪和一个工业机器人.
  • 提出了一种基于球的多维校准器,用于同时进行手眼和机器人动力学校准.
  • 引入了使用几何约束和虚拟单点的初步手眼校准.
  • 通过距离错误模型实施了距离受限校准方法,通过距离错误模型共同估计参数.

主要成果:

  • 将最大测量误差从1.053mm降低到0.421mm.
  • 将平均测量误差从0.814mm降低到0.373mm.
  • 对大面积的测量精度有显著的改进.

结论:

关键词:
纠正错误的纠正错误的纠正几何限制 几何限制手眼校准手眼校准的方法动力参数校准的动力参数校准这是一个机器人3D扫描系统.

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  • 增强的校准方法有效地提高了基于机器人的3D测量系统的准确性.
  • 拟议的技术对于先进制造中的高精度质量控制至关重要.
  • 同时校准手眼转换和机器人动力学可以提高整体测量精度.