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Related Experiment Video

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Automatic Laser-based Geometry Capture for Finite Element Analysis of Weld Beads
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Automated Processing and Deviation Analysis of 3D Pipeline Point Clouds Based on Geometric Features.

Shaofeng Jin1, Kangrui Fu1, Chengzhen Yang1

  • 1College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China.

Journal of Imaging
|March 27, 2026
PubMed
Summary

This study introduces an automated framework for processing aircraft engine pipeline point clouds, enhancing measurement accuracy and efficiency. The system provides automated deviation analysis for critical pipeline components.

Keywords:
3D laser scanning3D measurementindustrial softwarepoint cloud processing

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Area of Science:

  • Aerospace Engineering
  • Metrology
  • Computer Vision

Background:

  • Traditional 3D laser scanning workflows for aircraft engine pipelines have limitations in efficiency and accuracy.
  • Non-contact measurement is crucial for precise assembly of complex engine components.

Purpose of the Study:

  • To develop an automated framework for processing pipeline point clouds and analyzing deviations.
  • To overcome the limitations of traditional 3D laser scanning in aircraft engine pipeline inspection.

Main Methods:

  • Standardized 3D laser scanning for high-resolution point cloud acquisition.
  • Automated algorithms for point cloud segmentation, axis extraction, and model registration.
  • Implementation of the 3D extended Douglas-Peucker (DP) algorithm for efficient downsampling.

Main Results:

  • A unified software platform for one-click automated analysis of five key pipeline deviations (angular, radial, axial, roundness, diameter).
  • Significant improvements in processing efficiency and measurement reliability for complex pipeline systems.
  • Intuitive visualization and comprehensive report generation for quantitative inspection.

Conclusions:

  • The developed framework offers a practical solution for automated geometric inspection of aircraft engine pipelines.
  • This technology enhances quality assessment in aerospace manufacturing.
  • The automated approach ensures precise non-contact measurements for critical components.