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Solar array layout optimization for stratospheric airships using numerical method
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DOI：10.1016/j.enconman.2016.12.080.png)
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Abstract
En 中文
The solar array layout is one of the critical factors affecting the output performance of a solar array on a stratospheric airship. Optimizing the layout to improve output energy per day is very important for a long endurance vehicle, but the research about this subject is rare. This paper outlines a numerical method based on a rotating model of a stratospheric airship to optimize the solar array layout. Combined with the solar radiation model, the solar array layout optimization model applying genetic algorithm is developed using a MATLAB computer program in this paper. Compared with the design parameters of three stratospheric solar-powered airships, the theoretical model is proved to be feasible. In the course of the study, the effects of the starting point and the central angle of solar array are discussed in detail. In addition, the optimal results of the solar array layout for four common situations are investigated using the method. The results indicate that this method is helpful in the preparation stage for installing large area flexible solar arrays. (C) 2016 Elsevier Ltd. All rights reserved.
Keywords:
Layout optimization
Stratospheric airship
Numerical method
Solar array
Genetic algorithm
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