Journal of the Korean Solar Energy Society (한국태양에너지학회 논문집)

The Korean Solar Energy Society (한국태양에너지학회)
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The development of solar tracking sensor and controller for improvement of generation efficiency

발전 효율향상을 위한 태양광추적 센서 및 제어기 개발

  • Han, Ki-Bong (Department of Mechatronics Engineering, Jungwoo University) ;
  • Han, Tae-Hee (Department of Materials Science & Engineering, Jungwoo University) ;
  • Lee, Shin-Won (Department of Computer system Engineering., Hankook University) ;
  • Han, Seung-Woo (Department of Nano Mechanics., Korea Institute Machinery & Materials)
  • 한기봉 (중원대학교 에너지자원공학부) ;
  • 한태희 (중원대학교 에너지자원공학부) ;
  • 이신원 (중원대학교 컴퓨터시스템공학과) ;
  • 한승우 (한국기계연구원 나노역학연구실)
  • Received : 2012.07.12
  • Accepted : 2012.12.20
  • Published : 2012.12.30
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Abstract

The existing solar tracking sensor for 2 axial control system to trace latitude and longitude is made of four phototransistor. The phototransistor-making is difficult and it's manufacturing is more high-priced than a wide use phototransistor because they have to the same characteristics of each phototransistor output signal. This paper described the algorithm for supplement these weakness. The algorithm applied to signal normalizing method and vector decomposition law. The deviations of each a wide use phototransistor output signal are resolved by signal normalizing method and it is able to make a solar tracking sensor using three phototransistor by vector decomposition law. Therefore, in this paper, it is reduced the number of phototransistor that is composed of solar tracking sensor and possible to use a wide use phototransistor by the proposed algorithm.

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References

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