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http://dx.doi.org/10.5139/JKSAS.2012.40.2.129

Multidisciplinary Design Optimization(MDO) of a Medium-Sized Solar Powered HALE UAV Considering Energy Balancing  

Park, Kyung-Hyun (서울대학교 기계항공공학부 대학원)
Min, Sang-Gyu (조지아공대)
Ahn, Jon (세종대학교 기계항공우주공학부)
Lee, Dong-Ho (서울대학교 기계항공공학부 항공우주신기술연구소)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.40, no.2, 2012 , pp. 129-138 More about this Journal
Abstract
A MDO study of a midium-sized solar powered High Altitude Long Endurance (HALE) UAV has been performed, focused on energy balance. In the MDO process, Vortex Lattice Method(VLM) is employed for the aerodynamic modeling of the vehicle, of which structural weight is estimated with the modeling proposed by Cruz. Tail volume ratios have been set as constants, while the location of tail surfaces is determined from longitudinal static stability criterion. By balancing the available energy from solar cells, battery, and altitude, with the energy-requirement of the vehicle, the possibility of continuous flight over 24-hours has been investigated. The solar radiation level is set as that of summer at the latitude of $36^{\circ}$ north. During the daytime, the aircraft climbs using solar energy, accumulating potential energy, which supplements energy balance during the night. Optimizations have been sought in size of the vehicle, its weight distribution, and flight strategy.
Keywords
Solar Powered HALE UAV; Multidisciplinary Design Optimization;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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