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    題名: Optimal Sizing and Cruise Speed Determination for a Solar-Powered Airplane
    作者: Shiau, Jaw-Kuen;Ma, Der-Ming;Chiu, Chih-Wei;Shie, Jie-Ren
    貢獻者: 淡江大學航空太空工程學系
    日期: 2010-03
    上傳時間: 2013-03-20 16:27:38 (UTC+8)
    出版者: Reston: American Institute of Aeronautics and Astronautics, Inc.
    摘要: This paper presents the use of a genetic algorithm to optimize the size and cruise speed of a solar-powered manned aerial vehicle named Xihe. A conceptual aerodynamiccon figuration design is conducted first to obtainthe initial size of the aircraft and the performance parameters. The optimization process then searches for optimal solutions for minimum energy operation. To minimize the number of decision variables, the aspect ratio of the wing and the fuselage design are fixed during optimization. The mass of the Xihe aircraft is then parameterized as a function of two performance parameters: wingreference areaandcruise speed. Withthe parameterization results, a fittness function that links the optimization problem and the genetic algorithm is then established. The genetic algorithm searches for the optimal results for minimum energy operation. This optimization process reduces the referenced wing area of the Xihe aircraft from 5:63 m2 in the conceptual design to 4:91 m2, which allows the reduction of the solar cell panel by 12.79%, reducing the costs. Optimization reduces the mass of the aircraft from 24.96 to 22.47 kg: a 9.98% reduction. The cost of the complex materials used would be less than originally required, and the cruise speed would increase from 10.93 to 11:23 m=s (the cruise speed for minimum power consumption).
    關聯: Journal of Aircraft 47(2), pp.622-629
    DOI: 10.2514/1.45908
    顯示於類別:[航空太空工程學系暨研究所] 期刊論文

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