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Radiation Mapping and Laser Profiling Using a Robotic Manipulator.

Samuel R White1, David A Megson-Smith1, Kaiqiang Zhang1

  • 1Department of Physics, Interface Analysis Centre, University of Bristol, Bristol, United Kingdom.

Frontiers in Robotics and AI
|January 27, 2021
PubMed
Summary
This summary is machine-generated.

This study introduces a robotic arm system for precise radiation mapping and 3D surface profiling of radioactive sources. The integrated technology accurately maps radiation intensity and surface dose rates, creating detailed 3D models.

Keywords:
3D modelinggamma scanningnuclear wasteradiation mappingrobotic manipulatorspectrometry

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Area of Science:

  • Robotics
  • Radiation Detection
  • 3D Imaging

Background:

  • Accurate characterization of radioactive sources is crucial for safety and management.
  • Existing methods for radiation mapping and surface profiling can be time-consuming and lack integrated 3D capabilities.

Purpose of the Study:

  • To investigate the use of a robotic arm manipulator for coincident radiation mapping and laser profiling.
  • To develop a system capable of generating centimeter-accurate 3D models with overlaid radiation intensity and dose rate data.

Main Methods:

  • A robotic arm autonomously performed a raster scan over a 600 × 260 mm area.
  • A combined scanning head integrated a micro-gamma spectrometer and a Time of Flight (ToF) sensor.
  • Various radioactive sources with different emission intensities were scanned in multiple configurations.

Main Results:

  • The system successfully generated centimeter-accurate 3D models of the surveyed surfaces.
  • Radiation maps detailing emitted radiation intensity were overlaid onto the 3D models.
  • Corrected surface dose rates were accurately determined for each scanned source configuration.

Conclusions:

  • The robotic arm platform provides an effective solution for integrated radiation mapping and 3D surface profiling.
  • The system demonstrates high accuracy and sensitivity in characterizing radioactive sources.
  • This technology offers a significant advancement in the detailed analysis of radioactive materials.