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Radiological Scouting, Monitoring and Inspection Using Drones.

Luís Ramos Pinto1, Alberto Vale1, Yoeri Brouwer1

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This summary is machine-generated.

This study introduces a drone-based system for environmental radiological surveillance. The system efficiently scouts, monitors, and inspects radiation levels and radionuclide signatures in outdoor scenarios.

Keywords:
3D reconstructionCZTGMCSLAMUAVdroneheatmapradiological inspectionradiological sensor

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Area of Science:

  • Environmental Science
  • Nuclear Engineering
  • Robotics

Background:

  • Human populations and ecosystems face ionizing radiation risks from artificial and natural radionuclides.
  • Environmental radiological surveillance is crucial for nuclear energy agreements and public safety.
  • Existing monitoring methods face challenges in complex outdoor environments.

Purpose of the Study:

  • To develop and validate a drone-based system for comprehensive radiological surveillance.
  • To create accurate 3D radiological maps and identify radiation hotspots.
  • To determine the radionuclide signature of identified hotspots.

Main Methods:

  • Utilizing a fleet of drones equipped with Light Detection and Ranging (LiDAR), Geiger-Müller Counters, and Cadmium-Zinc-Telluride detectors.
  • Employing a multi-phase approach: aerial scouting for 3D mapping, low-altitude monitoring for radiological heatmap generation, and on-site inspection for radionuclide identification.
  • Developing algorithms for autonomous operation and data integration on a ground station.

Main Results:

  • Successful generation of 3D radiological maps overlaid with radiation intensity data.
  • Accurate identification and detailed inspection of radiation hotspots.
  • Determination of radionuclide signatures in experimental outdoor scenarios.

Conclusions:

  • Drone-based systems offer an efficient, reliable, and faster alternative to ground personnel for radiological surveillance.
  • The proposed system effectively addresses challenges of rough terrain and limited sampling points.
  • This technology enhances environmental radiological monitoring capabilities.