Model for Predicting the Operating Temperature of Stratospheric Airship Solar Cells with a Support Vector Machine

Xuwei Wang, Zhaojie Li and Yanlei Zhang
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Xuwei Wang: Aerospace Information Research Institute, Chinese Academy of Sciences, 9 Dengzhuang South Road, Haidian District, Beijing 100094, China
Zhaojie Li: Aerospace Information Research Institute, Chinese Academy of Sciences, 9 Dengzhuang South Road, Haidian District, Beijing 100094, China
Yanlei Zhang: Aerospace Information Research Institute, Chinese Academy of Sciences, 9 Dengzhuang South Road, Haidian District, Beijing 100094, China

Energies, 2021, vol. 14, issue 5, 1-14

Abstract: The stratospheric airship is a kind of aircraft that completely relies on the cycle of photovoltaic energy systems to achieve long duration flight. The accurate estimation of the operating temperature of solar cell modules on stratospheric airship is extremely important for the design of photovoltaics system (PV system), the output power calculation of PV system, and the calculation of energy balance. However, the related study has been rarely reported. A support vector machine prediction method based on particle swarm optimization algorithm (PSO-SVM) was established to predict the operating temperature of solar cell modules on stratospheric airship. The PSO algorithm was used to dynamically optimize the SVM’s parameters between the operating temperature of the solar cell modules and the measured data such as atmospheric pressure, solar radiation intensity, flight speed, and ambient temperature. The operating temperature data of the two sets of solar cell modules measured in the flight test were used to verify the accuracy of the temperature prediction model, and the prediction results were compared with a back propagation neural network (BPNN) method and the simulation results calculated by COMSOL Multiphysics of COMSOL, Inc., Columbus, MA, USA. The results shown that the PSO-SVM model realized the accurate prediction of the operating temperature of solar cell modules on stratospheric airship, which can guide the design of PV system, the output power calculation of PV system, and the calculation of energy balance.

Keywords: stratospheric airship; solar cell module; operating temperature; support vector machine; particle swarm algorithm (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (4)

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