Design of PSD based solar direction sensor

Guili Xu; Zhiwei Zhong; Biao Wang; Ruipeng Guo; Yupeng Tian

doi:10.1117/12.2035830

10 October 2013 Design of PSD based solar direction sensor

Guili Xu, Zhiwei Zhong, Biao Wang, Ruipeng Guo, Yupeng Tian

Proceedings Volume 8916, Sixth International Symposium on Precision Mechanical Measurements; 89162K (2013) https://doi.org/10.1117/12.2035830
Event: Sixth International Symposium on Precision Mechanical Measurements, 2013, Guiyang, China

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.

Citation Download Citation

Guili Xu, Zhiwei Zhong, Biao Wang, Ruipeng Guo, and Yupeng Tian "Design of PSD based solar direction sensor", Proc. SPIE 8916, Sixth International Symposium on Precision Mechanical Measurements, 89162K (10 October 2013); https://doi.org/10.1117/12.2035830

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