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Error analysis and auto correction of hybrid solar tracking system using photo sensors and orientation algorithm

Author

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  • Zhang, Junbin
  • Yin, Zhuojun
  • Jin, Peng

Abstract

In order to further improve the efficiency of daylight harvesting system, a high accuracy solar tracking system is required. The tracking error is the combined result of various sources, such as the azimuth rotational axis tilt, geo-positioning deviation, installation deviation, true north meridian deviation, calculation error and mismatch of photo sensors, etc. In this paper, we designed a dual-axis hybrid tracking system which uses GPS/BeiDou for geological location, photodiodes for closed loop tracking, and orientation algorithm for open loop tracking. The difference of our calculated the solar hour angle, altitude angle and azimuth angle to that of SOLPOS results are less than 1°. An initializing calibration is proposed to correct the errors caused by the mismatch of photodiodes. The installation deviation, geo-positioning error and true north meridian deviation for orientation algorithm are also analyzed and corrected. This field test shows that the overall tracking accuracy of the system is improved after the second dynamic compensation. The tracking system can be used in a low cost and small form factor solar tracker with easy setup by providing geological location, orientation sensing and auto corrections for weight and wind load if the photo sensors are positioned at the deflection location.

Suggested Citation

  • Zhang, Junbin & Yin, Zhuojun & Jin, Peng, 2019. "Error analysis and auto correction of hybrid solar tracking system using photo sensors and orientation algorithm," Energy, Elsevier, vol. 182(C), pages 585-593.
    • Handle: RePEc:eee:energy:v:182:y:2019:i:c:p:585-593
    DOI: 10.1016/j.energy.2019.06.032
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    Cited by:

    1. Manoel Henriques de Sá Campos & Chigueru Tiba, 2021. "npTrack: A n-Position Single Axis Solar Tracker Model for Optimized Energy Collection," Energies, MDPI, vol. 14(4), pages 1-13, February.
    2. Gnana Swathika Odiyur Vathanam & Karthikeyan Kalyanasundaram & Rajvikram Madurai Elavarasan & Shabir Hussain Khahro & Umashankar Subramaniam & Rishi Pugazhendhi & Mehana Ramesh & Rishi Murugesan Gopal, 2021. "A Review on Effective Use of Daylight Harvesting Using Intelligent Lighting Control Systems for Sustainable Office Buildings in India," Sustainability, MDPI, vol. 13(9), pages 1-32, April.
    3. Liu, YongXiang & Yan, Jian & Xie, XinYi & Peng, YouDuo & Nie, DuZhong, 2023. "Improving the energy distribution uniformity of solar dish collector system under tracking error using a cavity receiver position adjustment method," Energy, Elsevier, vol. 278(PA).
    4. Cătălin Alexandru, 2021. "Optimization of the Bi-Axial Tracking System for a Photovoltaic Platform," Energies, MDPI, vol. 14(3), pages 1-30, January.
    5. Tong Liu & Li Liu & Yufang He & Mengfei Sun & Jian Liu & Guochang Xu, 2021. "A Theoretical Optimum Tilt Angle Model for Solar Collectors from Keplerian Orbit," Energies, MDPI, vol. 14(15), pages 1-17, July.
    6. Sebastijan Seme & Bojan Štumberger & Miralem Hadžiselimović & Klemen Sredenšek, 2020. "Solar Photovoltaic Tracking Systems for Electricity Generation: A Review," Energies, MDPI, vol. 13(16), pages 1-24, August.

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