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2. Development of Unmanned Remote System to Find Radiation Sources Based on 4π Gamma Imaging.

Author

Mukai, Atsushi, Kanda, Minato, Shimazoe, Kenji, Ishida, Fumihiko, Takada, Eiji, Tamura, Yusuke, Woo, Hanwool, Takahashi, Hiroyuki, Uenomachi, Mizuki, Asama, Hajime, Kawarabayashi, Jun, Tanabe, Kosuke, Tsuchiya, Ken'ichi, Kamada, Kei, and Tomita, Hideki

Subjects
RADIATION sources, OPTICAL radar, LIDAR, LAPTOP computers, PERSONAL computers, REMOTELY piloted vehicles, AUTONOMOUS vehicles, PIXELS
Abstract

A prototype system based on a combination of 4π sensitive gamma imaging and simultaneous localization and mapping (SLAM) was developed to find unknown radiation source(s) rapidly. The system consisted of a spherical visible camera, a three-dimensional light detection and ranging, a CdTe pixel array detector for 4π gamma imaging, a portable battery, and a control laptop personal computer; these were mounted on an unmanned vehicle. In a search area of 16 × 16 m2 with a height of 3 m, the prototype system successfully demonstrated the finding of a 137Cs point source with an activity of 0.67 MBq in the surrounding thin walls. [ABSTRACT FROM AUTHOR]

Published
2024
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