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http://dx.doi.org/10.12985/ksaa.2015.23.3.001

Efficiency Estimation on Propulsion System of an Electric Powered UAV  

Ahn, Il-Young (한국항공대학교 대학원)
Yang, Yong-Man (한국항공대학교 대학원)
Ju, Young-Chul (한국에너지기술연구원)
Park, SangHyuk (한국항공대학교 대학원)
Bae, Jae-Sung (한국항공대학교 항공우주 및 기계공학부)
Publication Information
Journal of the Korean Society for Aviation and Aeronautics / v.23, no.3, 2015 , pp. 1-7 More about this Journal
Abstract
In the present study, we conducted the research on the high efficiency propulsion system for the development of long-endurance UAV with an electric propulsion system. For the long endurance UAV, fair aerodynamic characteristics with the high efficiency of the propulsion system is required because the flight power and the duration time of the long-endurance UAV vary greatly depending on the efficiency of the propulsion system. Therefore, in this study, the tracking program which records the performance of motor, propeller was developed because of their wide variation in the efficiency depending on the using condition, and records from the existing flight test program were utilized to check the accuracy of the program we had developed. For the development of future long-endurance solar UAV, we confirmed the applied voltage of motor, the optimal rotation of propeller and the gear ratio of reduction gear in order to get the highest efficiency on the propulsion system at the optimal flying condition.
Keywords
Electric Powered UAV; Propulsion System; Flight Test; Solar-Powered UAV;
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