ON THE USE OF UNMANNED AIRCRAFT RADIOMETRIC SYSTEMS€¦ · ON THE USE OF UNMANNED AIRCRAFT...
Transcript of ON THE USE OF UNMANNED AIRCRAFT RADIOMETRIC SYSTEMS€¦ · ON THE USE OF UNMANNED AIRCRAFT...
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ON THE USE OF UNMANNED AIRCRAFT RADIOMETRIC SYSTEMS Magnus Gårdestig, Linköping University, Sweden Nordic perspectives of Fukushima Stockholm 2016 NKS
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Introduction Unmanned radiometric systems
• UAV-UAS
• RPAS – civilian drone
• Search or survey
• Rotary or fixed wing
• 3D: Dull, dangerous and dirty
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Approaches
• Separate measurement system
– Any vehicle
• Integrated UARS
– Independent
• Military
– Range and size
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Fukushima and UARS, Illustration I
• Ad hoc in the initial phase
• E.g. Honeywell T-Hawk MAV
– Ducted fan VTOL
– Mainly footage
– 4 T-Hawks carried radiation sensors.
– Operational data, little published
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Fukushima and UARS, Illustration II
• Manned aircraft restricted <3 km from FDNPP
• JAEA had the Yamaha RMAX, initiated after the Tokaimura incident. 3 LaBr 1,5”
• 134Cs/137Cs
• Dose rates calculated to 1 m AGL
• Altitude 30 m, 5 km radius FDNPP
• 52 days 2013
• Detailed distribution for migration studies, 5 m mesh
Okuyama, S., Torii, T., Nawa, Y., Kinoshita, I., Suzuki, A., Shibuya, M. and Miyazaki, N. Development of a remote radiation monitoring system using unmanned helicopter. International Congress Series. 1276, 422-423 (2005). Sanada, Y. and Torii, T. Aerial radiation monitoring around the Fukushima Dai-ichi Nuclear Power Plant using an unmanned helicopter. Journal of environmental radioactivity. 139, 294-9 (2015).
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Fukushima and UARS, Illustration III
• 3 sites in Fukushima Prefecture
– 100-10,000 m2
• 1-5 m above surface
• Multirotor, 30 min flight time
• 1 cm3 CZT
• Detailed distribution for evaluation of remediation outcome and methods, sub-meter mesh
• University of Bristol, Kyoto University
Martin, P. G., Payton, O. D., Fardoulis, J. S., Richards, D. A., Yamashiki, Y. and Scott, T. B. Low altitude unmanned aerial vehicle for characterising remediation effectiveness following the FDNPP accident. Journal of environmental radioactivity. 151P1, 58-63 (2015).
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Nordic examples
• Finland
– STUK, Finland, Military, air sampler
– University of Oulu, Detector and smartphone
• Denmark
– DEMA, Canberra colibri
• Sweden
– Linköping University, Rotary/fixed wing
• Norway
• Iceland
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Linköping University
• Rotary wing
– Kromek GR1 1 cm3 CZT
– Raspberry Pi
• Fixed wing
– NaI with Bridgeport MCA
– N42.42
• Plans
– RTK
– Air sampling
– Monte Carlo
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NKS activities on unmanned systems
• Many activities in mobile measurements
• Unmanned systems
– SemUnaRS 2014
– NORDUM 2016?
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NKS-B SemUnaRS
• Present and discuss the progress of the Nordic use of unmanned platforms for radiation detection.
• Build an inventory of the Nordic capacity of radiation surveillance equipment using unmanned vehicles
• Initiative to build informal Nordic networks within the topic.
• Stiftsgården Vårdnäs, close to Linköping, Sweden.
• October 2-3 2014
• Abstracts and presentations in NKS report 331.
• Magnus Gårdestig, LiU, Sweden; Roy Pöllänen, STUK, Finland; Thomas Bandur Aleksandersen, NRPA, Norway
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NKS-B NORDUM Intercomparison of Nordic Unmanned Aerial Monitoring Platforms
• The NORDUM proposal will conduct an activity involving the use of unmanned aerial measurement systems to make measurements of actual sources in an outdoor environment.
• Norway 2016
• NRPA, Finnish Defence Research Agency, University of Oulu, Linköping University, DEMA
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ERNCIP thematic group for Radiological and nuclear threats to critical infrastructure
• List-mode data acquisition with digital electronics
• Expert support of field teams
• Remote-controlled radiation measurements and sampling using unmanned vehicles
– Current state of the art of unmanned systems with potential to be used for radiation measurements and sampling, Report EUR 27224 EN
– Possible scenarios for radiation measurements and sampling using unmanned systems, Report EUR 27225 EN
https://erncip-project.jrc.ec.europa.eu/networks/tgs/nuclear
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Future
• UAS
– Regulations (registration, pilot)
– Sense and avoid
– Standards
• UARS
– Air sampling
– Variety
– Standards
• Re-propose Roadmap for Unmanned aircraft radiometric systems in the Nordic countries - RUN?
• The sky is the limit
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www.liu.se