Radiation testing of low cost, commercial off the shelf microcontroller board

Tomas Fried; Antonio Di Buono; David Cheneler; Neil Cockbain; Jonathan M. Dodds; Peter R. Green; Barry Lennox; C. James Taylor; Stephen D. Monk

doi:https://doi.org/10.1016/j.net.2021.05.005

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자료유형: 학술저널

저자정보: Tomas Fried (Lancaster University) Antonio Di Buono (Department of Electrical and Electronic Engineering, The University of Manchester) David Cheneler (Lancaster University) Neil Cockbain (National Nuclear Laboratory, Workington, CA14 3YQ, UK) Jonathan M. Dodds (National Nuclear Laboratory, Workington, CA14 3YQ, UK) Peter R. Green (Department of Electrical and Electronic Engineering, The University of Manchester) Barry Lennox (Department of Electrical and Electronic Engineering, The University of Manchester) C. James Taylor (Lancaster University) Stephen D. Monk (Lancaster University)

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제53권 제10호

발행연도: 2021.10

수록면: 3,335 - 3,343 (9page)

DOI: https://doi.org/10.1016/j.net.2021.05.005

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The impact of gamma radiation on a commercial off the shelf microcontroller board has been investigated. Three different tests have been performed to ascertain the radiation tolerance of the device from anuclear decommissioning deployment perspective. The first test analyses the effect of radiation on theoutput voltage of the on-board voltage regulator during irradiation. The second test evaluated the effectof gamma radiation on the voltage characteristics of analogue and digital inputs and outputs. The finaltest analyses the functionality of the microcontroller when using an external, shielded voltage regulatorinstead of the on-board voltage regulator. The results suggest that a series of latch-ups occurs in themicrocontroller during irradiation, causing increased current drain which can damage the voltageregulator if it does not have short-circuit protection. The analogue to digital conversion functionalityappears to be more sensitive to gamma radiation than digital and analogue output functionality. Using anexternal, shielded voltage regulator can prove beneficial when used for certain applications. Thecollected data suggests that detaching the voltage regulator can extend the lifespan of the platform up toapproximately 350 Gy

#Microcontroller #Radiation effects #Total ionizing dose #Nuclear decommissioning

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참고문헌 신청

NIRAB / The UK civil nuclear R&D landscape survey

Department for Business Energy and Industrial Strategy / Industrial Strategy Nuclear Sector Deal / GOV.UK

S. Huntingdon / The NDA's ‘Grand Challenges’ for Technical Innovation -Cleaning up Our Nuclear Past: Faster, Safer and Sooner / GOV.UK Blogs

D. T. Connor / 2018 / Application of airborne photogrammetry for the visualisation and assessment of contamination migration arising from a Fukushima waste storage facility / Environ. Pollut 234:610~619

I. Tsitsimpelis / 2019 / A review of ground-based robotic systems for the characterization of nuclear environments / Prog. Nucl. Energy 111:109~124

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