Development of mobile radiation monitoring system utilizing smartphone and its field tests in Fukushima

Yang Ishigaki, Yoshinori Matsumoto, Ryo Ichimiya, Kenji Tanaka

研究成果: Article

40 引用 (Scopus)

抄録

We developed a series of inexpensive but accurate and mobile radiation detectors, which we named Pocket Geiger (POKEGA), to address the desire of ordinary people to own a radiation detector following the March 2011 Daiichi Nuclear Power Plant accidents in Fukushima, Japan. To reduce costs while maintaining accuracy and flexibility, we used a combination of a p-i-n photodiode detector connected to a smartphone via a microphone cable. The detector circuit design is optimized for simplicity and low cost, whereas the smartphone software application is tasked with handling the complex processing required. Furthermore, the device also used the GPS and networking capabilities of the smartphone for logging and data sharing. The ^{137}{\rm Cs} measurement range for a POKEGA-equipped smartphone is approximately from 0.05 to 10 mSv/h, which covers most radiation levels measured in Japan. Approximately 12000 POKEGA units were shipped in the six months following its release, and 2000 users have joined a Facebook community where they report measurement results and discuss hardware and software improvements. In parallel, we have addressed practical problems for POKEGA, such as vibration noise, energy consumption, and operating temperature, by conducting field tests in the Fukushima evacuation zone. The POKEGA series has been improved by solving such issues. This article reports on a new style of pragmatic sensor networking methodology, from the aspects of emergency response engineering, open-sourced development, and consumer-generated measurements.

元の言語English
記事番号6557456
ページ(範囲)3520-3526
ページ数7
ジャーナルIEEE Sensors Journal
13
発行部数10
DOI
出版物ステータスPublished - 2013

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Smartphones
radiation detectors
field tests
Japan
costs
computer programs
Radiation
Radiation detectors
Monitoring
nuclear power plants
detectors
rangefinding
emergencies
energy consumption
radiation
accidents
microphones
operating temperature
cables
photodiodes

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Instrumentation

これを引用

Development of mobile radiation monitoring system utilizing smartphone and its field tests in Fukushima. / Ishigaki, Yang; Matsumoto, Yoshinori; Ichimiya, Ryo; Tanaka, Kenji.

:: IEEE Sensors Journal, 巻 13, 番号 10, 6557456, 2013, p. 3520-3526.

研究成果: Article

Ishigaki, Yang ; Matsumoto, Yoshinori ; Ichimiya, Ryo ; Tanaka, Kenji. / Development of mobile radiation monitoring system utilizing smartphone and its field tests in Fukushima. :: IEEE Sensors Journal. 2013 ; 巻 13, 番号 10. pp. 3520-3526.
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