Journal of Advanced Navigation Technology (한국항행학회논문지)

The Korean Navigation Institute (한국항행학회)
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An Energy Harvesting and Profiling System for Smart Video Devices

스마트 비디오 디바이스를 위한 에너지 하비스팅 및 프로파일링 시스템

  • Kang, Doo-sik (School of Electronics and Information Engineering, Korea Aerospace University) ;
  • Kim, Jun-sik (School of Electronics and Information Engineering, Korea Aerospace University) ;
  • Park, Keon-woo (School of Electronics and Information Engineering, Korea Aerospace University) ;
  • Lee, Myeong-jin (School of Electronics and Information Engineering, Korea Aerospace University)
  • 강두식 (한국항공대학교 항공전자 및 정보통신공학부) ;
  • 김준식 (한국항공대학교 항공전자 및 정보통신공학부) ;
  • 박건우 (한국항공대학교 항공전자 및 정보통신공학부) ;
  • 이명진 (한국항공대학교 항공전자 및 정보통신공학부)
  • Received : 2016.12.20
  • Accepted : 2017.02.17
  • Published : 2017.02.28
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Abstract

In this paper, an energy harvesting and profiling system is designed for smart video devices in internet of things environments without dedicated power source. The energy harvesting module provides the harvested energy from solar panel to the smart video device. The energy profiling module measures the battery outflow current and the battery voltage of the smart video device and the consumed energy of processes, and calculate the harvested energy from the energy harvesting module to the smart video device and the total energy consumption of the smart video device. The accuracy of the harvested energy measured by the device energy profiling module is validated by comparing with the calculated energy using the regional solar radiation provided by Korea Meteorological Administration. Energy harvesting data from the designed energy harvesting and profiling system can be used to design the perpetual operation of smart video devices or Internet of Things sensors.

본 논문에서는 배터리 외에 별도의 전력원이 없거나 전력이 부족한 사물인터넷 환경에서 스마트 비디오 디바이스에 에너지 공급을 위한 에너지 하비스팅 및 프로파일링 시스템을 설계한다. 에너지 하비스팅 모듈은 태양전지판에서 하비스팅 된 태양광 에너지를 스마트 비디오 디바이스에 전달하고, 에너지 프로파일링 모듈은 디바이스 내부 배터리 유출 전류와 전압, 프로세스 소비 에너지를 측정하고 이를 이용하여 에너지 하비스팅 모듈로부터 디바이스 내부로 유입된 에너지와 디바이스 내부 소비 에너지를 계산한다. 실제 환경에서 측정한 하비스팅 된 에너지를 기상청이 제공하는 지역 일사량으로부터 계산한 에너지와의 비교를 통해 설계한 에너지 하비스팅 및 프로파일링 시스템의 적합성을 검증한다. 설계한 에너지 하비스팅 및 프로파일링 시스템은 지속 가능한 스마트 비디오 디바이스나 사물인터넷용 센서 설계에 활용될 수 있다.

Keywords

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