이동형 태양 추적 시스템에 관한 연구
A Study on a Mobile Sun Tracking System
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초록
In this paper, a prototype of a mobile Sun tracking system is proposed. The proposed system uses 2-axis tilt sensor and 3-axis magnetic sensor to measure the orientation and the posture of the system according to the horizontal system of coordinates, which are used to compensate the slope effects. Then through astronomical calculation using the time and position informations obtained by GPS sensor, the azimuth and altitude of the Sun from that location is calculated. The position of the Sun is converted to that of the mobile Sun tracking system coordinates and used to control A-axis and C-axis of the system.
Abstract
In this paper, a prototype of a mobile Sun tracking system is proposed. The proposed system uses 2-axis tilt sensor and 3-axis magnetic sensor to measure the orientation and the posture of the system according to the horizontal system of coordinates, which are used to compensate the slope effects. Then through astronomical calculation using the time and position informations obtained by GPS sensor, the azimuth and altitude of the Sun from that location is calculated. The position of the Sun is converted to that of the mobile Sun tracking system coordinates and used to control A-axis and C-axis of the system.
참고문헌 (5)
- R. Zogbi, "Design and construction of a sun tracker", Solar Energy, 33(3), pp.369~372 (1984)
- P. Baltas, "Evaluation of power output for the fixed and step tracking photovoltaic arrays", Solar Energy, 37(2), pp.147~163 (1986)
- D. M. Mosher, "The advantage of sun tracking for planar silicon solar cells", Solar Energy, 19, pp.91~97 (1977)
- John J. Craig, "Introduction to Robotics Mechanics and Control, 2nd ed" (1986), Addison -Wesley Publishing Company, Inc.
- "Position of the Sun"[URL]