Solar Tracking Device Based on Electronic Compass and Accelerometer

Zhong Ran Zhang; Yuan Ma; Bo Jiao; Tong Liang Liu

doi:10.4028/www.scientific.net/AMR.981.522

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Study of Nonlinear Observer for Dynamic Friction Compensation of High-Accuracy Servo-System
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 981Solar Tracking Device Based on Electronic Compass...

Solar Tracking Device Based on Electronic Compass and Accelerometer

Abstract:

A solar tracking device was designed in this paper. First, In order to determine the initial direction of the mechanism and the east, HMC5883L was used for measuring the magnetic field of earth. Then, the mechanism began to operate according to the solar position which was confirmed though the astronomical calculation. Finally, the azimuth and the elevation angle of solar were measured and corrected by HMC5883L and MPU6050 respectively. HMC5883L was calibrated by the ellipse fitting, which was obtained though the least square method. The horizontal error of HMC5883L was compensated. The experimental study was performed. And the results show that the solar tracking device has the characteristics of stable operation, high flexibility and low requirement of installation precision.

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Periodical:

Advanced Materials Research (Volume 981)

Pages:

522-525

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.981.522

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Online since:

July 2014

Authors:

Zhong Ran Zhang, Yuan Ma, Bo Jiao*, Tong Liang Liu

Keywords:

Accelerometer, Electronic Compass, Embedded System, Solar Tracking

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* - Corresponding Author

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