Gamma-Ray Raster Imaging with Robotic Data Collection (FY19 Annual Report)
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
This project has developed an alternative imaging capability for imaging and quantifying radioactive materials in situ. This approach uses a robotic-mounted gamma-ray detector which can move around an area of interest, sampling the space at a high frequency. By rastering across the area, an image can be created with no collimation and a high efficiency. An open-source robotic platform was programed to search an open area, collecting gamma-ray spectra every second. Informative path planning was used to direct the robot to areas of higher dose. Finally, a Bayesian particle filter was used to locate the source with minimal counting statistics. The use of a robotic mount allows data collection for long periods of time unattended, and it will also eliminate uncertainties in positioning typically introduced by personnel. This approach will be particularly relevant for gloveboxes, shielded cells, or process piping which may have complex, non-uniform distributions of material.
- Research Organization:
- Savannah River Site (SRS), Aiken, SC (United States). Savannah River National Lab. (SRNL)
- Sponsoring Organization:
- USDOE Office of Environmental Management (EM); USDOE Laboratory Directed Research and Development (LDRD) Program
- DOE Contract Number:
- AC09-08SR22470
- OSTI ID:
- 1568804
- Report Number(s):
- SRNL-STI-2019-00614; TRN: US2100489
- Country of Publication:
- United States
- Language:
- English
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