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相关概念视频

Design Example: Measuring Distance Between Two Points with Obstructions01:10

Design Example: Measuring Distance Between Two Points with Obstructions

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When measuring distances in areas with physical obstructions, such as a lake in a field, surveyors must employ techniques to calculate accurate lengths without direct line measurements. One effective method is the offset technique, which allows for precise distance estimation over inaccessible stretches.In this scenario, a surveyor must measure a side of an area that crosses a lake. Since the measuring tape cannot span the lake, the surveyor begins by establishing a baseline that aligns with...
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Modeling and Similitude01:12

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Scaled modeling is a fundamental technique in engineering, enabling the study of large and complex systems by creating smaller, manageable replicas that recreate critical characteristics of the original. In hydrology and civil infrastructure, for example, scaled models of dams help analyze water flow, turbulence, and pressure. This method allows for accurate predictions of real-world behavior within a controlled environment, significantly reducing the cost and time involved in full-scale...
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Updated: Jun 6, 2025

Precision Measurements and Parametric Models of Vertebral Endplates
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在CAD模型和实物上模拟和验证2D/3D激光线传感器测量算法.

Rok Belšak1, Janez Gotlih1, Timi Karner1

  • 1Laboratory for Robotisation, Faculty of Mechanical Engineering, University of Maribor, 2000 Maribor, Slovenia.

Sensors (Basel, Switzerland)
|November 27, 2024
PubMed
概括

本研究介绍了一种新的MATLAB算法,用于模拟CAD模型上的2D/3D激光线传感器测量. 该工具提高了工业检查的准确性和效率,并支持使用合成数据进行人工智能培训.

关键词:
2D/3D 激光线传感器马特拉布 (Matlab) 是一个实验室.STL STL STL 在线观看测量产生的产生量.一个点云,一个点云.个人资料测量 个人资料测量 个人资料测量模拟模拟是指一个模拟模拟器.

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科学领域:

  • 工程 工程师 工程师 工程师
  • 计算机科学 计算机科学
  • 计量学 计量学 计量学

背景情况:

  • 工业和研究应用越来越依赖2D/3D激光线传感器来完成关键任务.
  • 准确和高效的模拟工具对于表面检查,维度验证和质量控制至关重要.
  • 现有的模拟方法面临复杂的CAD模型和传感器特征的挑战.

研究的目的:

  • 开发一种新的,高效的MATLAB算法,用于模拟STL CAD模型上的2D/3D激光线传感器测量.
  • 解决当前模拟技术的局限性,包括处理复杂的几何形状和传感器分辨率.
  • 提供一种工具,减少对物理原型的需求,并有助于生成用于AI培训的合成数据.

主要方法:

  • 在MATLAB中实现了一个修改的快射线三角交叉算法.
  • 该算法结合了传感器分辨率,并处理组装模型中的重叠三角形.
  • 模拟结果与现实世界的测量进行了定量分析.

主要成果:

  • 与现有方法相比,该算法显著减少了计算时间.
  • 与实际测量相比,模拟实现了0.42毫米的平均偏差.
  • 该方法有效地模拟了诸如孔和沟等复杂的特征,在各种坐标系中生成点云数据.

结论:

  • 开发的算法为模拟2D/3D激光线传感器测量提供了准确和高效的解决方案.
  • 这种模拟工具支持工业质量控制,减少物理原型,并促进AI模型培训.
  • 未来的研究将专注于进一步优化速度,并纳入噪声建模以提高现实性.