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Proceedings Paper

Design of PSD based solar direction sensor
Author(s): Guili Xu; Zhiwei Zhong; Biao Wang; Ruipeng Guo; Yupeng Tian
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Paper Abstract

For the purpose of high-accuracy detection and tracking of sun position, a measuring sensor based on Position Sensitive Detectors(PSD)has been designed. The PSD is installed at the bottom of the canister which has a narrow light pinhole so that light could pass through it. Sunlight spot projects on the surface of the PSD and then the information about position can be captured through PSD. The solar position information can be changed into electrical signal by signal processing circuit, which can be further send to the follow-up system. The experimental results show that the accuracy of this sensor is about 0.05°at ±12°acceptable angle, and this sensor can run stably and can work as designed.

Paper Details

Date Published: 10 October 2013
PDF: 7 pages
Proc. SPIE 8916, Sixth International Symposium on Precision Mechanical Measurements, 89162K (10 October 2013); doi: 10.1117/12.2035830
Show Author Affiliations
Guili Xu, Nanjing Univ. of Aeronautics and Astronautics (China)
Zhiwei Zhong, Nanjing Univ. of Aeronautics and Astronautics (China)
Biao Wang, Nanjing Univ. of Aeronautics and Astronautics (China)
Ruipeng Guo, Nanjing Univ. of Aeronautics and Astronautics (China)
Yupeng Tian, Nanjing Univ. of Aeronautics and Astronautics (China)


Published in SPIE Proceedings Vol. 8916:
Sixth International Symposium on Precision Mechanical Measurements
Shenghua Ye; Yetai Fei, Editor(s)

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