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一种高精度太阳能跟踪控制系统设计与实现
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Abstract:
为了提高线性菲涅尔式聚光镜场的跟踪控制精度，本文基于PLC研制了原理样机模型，对太阳进行实时跟踪。基于光控和程控相结合，对天气的阴晴判断提出了一种基于模糊识别原理的全天候太阳自动跟踪方法，在Matlab中建立了阴晴模糊识别系统，然后通过高精度太阳位置算法，实现对聚光镜场的高精度和低延迟的跟踪控制目标。结果表明：通过误差分析法计算并比较跟踪目标角度计算结果与德国弗朗霍夫研究所提供的目标角度计算结果的理论值得出跟踪绝对误差在±0.455？以内，具有较高的实用性和广阔的发展前景。
In order to improve the tracking control accuracy of linear Fresnel-type concentrating mirror field, this paper develops a principle prototype model based on PLC to track the sun in real-time. Based on the combination of optical control and program control, an all-weather automatic sun tracking method based on the fuzzy recognition principle is proposed for the cloudy and sunny judgment of weather, and a fuzzy recognition system for cloudy and sunny is established in Matlab, and then the high-precision sun position algorithm is used to achieve a high-precision and low-delay tracking control target for the spotting mirror field. The results show that: The theoretical value of the tracking target angle calculation results calculated by the error analysis method and compared with the target angle calculation results provided by the Fraunhofer Institute in Germany is within ±0.455？ of the absolute tracking error, which has high practicality and broad development prospects.
| [1] | 李娜, 杨景胜, 陈嘉茹. “双碳”背景下能源行业的机遇和挑战[J]. 中国国土资源经济, 2021, 34(12): 63-69.
https://doi.org/10.19676/j.cnki.1672-6995.000688 |
| [2] | 向俊杰. 碳达峰碳中和中“效率”和“公平”研究[J]. 上海节能, 2021(11): 1191-1197.
https://doi.org/10.13770/j.cnki.issn2095-705x.2021.11.002 |
| [3] | Sahu, B.K. (2015) A Study on Global Solar PV Energy Developments and Policies with Special Focus on the Top Ten Solar PV Power Producing Countries. Renewable and Sustainable Energy Reviews, 43, 621-634.
https://doi.org/10.1016/j.rser.2014.11.058 |
| [4] | Li, M., Feng, Y.Y., Liu, E.Z., Qin, C.Q. and Feng, W. (2016) Azobenzene/Graphene Hybrid for High-Density Solar Thermal Storage by Optimizing Molecular Structure. Science China Technological Sciences, 59, 1383-1390.
https://doi.org/10.1007/s11431-016-6091-5 |
| [5] | Castellani, F., Astolfi, D., Sdringola, P., et al. (2015) Analyzing Wind Turbine Directional Behavior: SCADA Data Mining Techniques for Efficiency and Power Assessment. Applied Energy, 185, 1076-1086.
https://doi.org/10.1016/j.apenergy.2015.12.049 |
| [6] | Wang, S.G., Cao, T. and Chen, B. (2017) Water-Energy Nexus in China’s Electric Power System. Energy Procedia, 105, 3972-3977. https://doi.org/10.1016/j.egypro.2017.03.828 |
| [7] | Wang, Z.H., Bui, Q. and Zhang, B. (2020) The Relationship between Biomass Energy Consumption and Human Development: Empirical Evidence from BRICS Countries. Energy, 194, Article ID: 116906.
https://doi.org/10.1016/j.energy.2020.116906 |
| [8] | Wang, Y., Liu, Y., Dou, J., Li, M. and Zeng, M. (2020) Geothermal Energy in China: Status, Challenges, and Policy Recommendations. Utilities Policy, 64, Article ID: 101020. https://doi.org/10.1016/j.jup.2020.101020 |
| [9] | 朱国栋. 塔式太阳能发电光场跟踪控制系统研究[D]: [硕士学位论文]. 兰州: 兰州交通大学, 2018. |
| [10] | 宋记锋, 罗臻, 王昕鑫. 定日镜采光机的结构及实现原理[J]. 照明工程学报, 2018, 29(3): 120-123. |
| [11] | Li, P. (2017) China’s Solar Thermal Power Generation Starts the “Heating” Mode: The Third Session of the Solar Thermal Power Generation Conference. Solar Energy, 4, 73-76. |
| [12] | Abdallah, S. and Nijmeh, S. (2003) Two Axes Sun Tracking System with PLC Control. Energy Conversion and Management, 45, 1931-1939. https://doi.org/10.1016/j.enconman.2003.10.007 |
| [13] | Al-Soud, M.S., Abdallah, E., Akayleh, A., Abdallah, S. and Hrayshat, E.S. (2009) A Parabolic Solar Cooker with Automatic Two Axes Sun Tracking System. Applied Energy, 87, 463-470. https://doi.org/10.1016/j.apenergy.2009.08.035 |
| [14] | 纪浩. 线性菲涅尔聚光控制系统设计[J]. 仪器仪表与分析监测, 2018(2): 15-18. |
| [15] | 马立新, 张丽萍, 朱尧富, 曾诚. 基于模糊算法太阳智能跟踪系统的设计[J]. 控制工程, 2013, 20(4): 647-649.
https://doi.org/10.14107/j.cnki.kzgc.2013.04.012 |
| [16] | Meeus, J. (1998) Astronomical Algorithms. Willmann-Bel, Richmond, VA. |
| [17] | Reda, I. and Andreas, A. (2008) Solar Positon Algorithm for Solar Radiation Applications. National Renewable Energy Laboratory, Golden, CO. https://doi.org/10.2172/15003974 |
| [18] | Bourges, B. (1985) Improvement in Solar Declination Computation. Solar Energy, 35, 367-369.
https://doi.org/10.1016/0038-092X(85)90144-6 |
| [19] | 王炳忠, 刘庚山. 日射观测中常用天文参数的再计算[J]. 太阳能学报, 1991, 12(1): 27-32. |
| [20] | Lamm, L.O. (1981) A New Analytic Expression for the Equation of Time. Solar Energy, 26, 465.
https://doi.org/10.1016/0038-092X(81)90229-2 |
