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λ³Έ μ°κ΅¬μμλ μν νμκ΄ λ¬΄μΈν곡기λ₯Ό κ°λ°νμ¬ λΉνμνμ μννμλ€. νμκ΄ λ¬΄μΈκΈ°λ λ κ°μ μ€μΉλ νμμ μ§λ‘λΆν° μ λ ₯μ μμ°νκ³ , μμ°λ μ λ ₯μ μΌλΆλ₯Ό λΉνλλ ₯μΌλ‘ μ¬μ©νλ©°, λλ¨Έμ§λ₯Ό μΌλͺ° ν λΉνμ μν΄ λ°°ν°λ¦¬μ μ μ₯μ νλ€. νμκ΄ λ¬΄μΈν곡기λ 곡기μνμ μΌλ‘ λ§€μ° ν¨μ¨μ΄ λμμΌ νλ©°, ꡬ쑰μ μΌλ‘ κ²½λμ΄λ©΄μ κ³ κ°λλ₯Ό κ°μ ΈμΌ νλ€. λν, νμκ΄ λ¬΄μΈκΈ°μ μ κΈ°μΆμ§μμ€ν κ³Ό νμκ΄ λ°μ μμ€ν λ λμ ν¨μ¨μ κ°μ ΈμΌ νλ€. λ³Έ μ°κ΅¬μμλ 12μκ° μ΄μμ μ°μ λΉνμ μν νμκ΄ λ¬΄μΈν곡기 λ° νμκ΄ μμ€ν μ κ°λ°νκ³ , κ·Έ μ±λ₯μ νμ νκΈ° μν΄ λΉνμνμ μννμλ€. κ°μκ³Ό 겨μΈμ² μ λΉνμν κ²°κ³Ό λ³Έ μ°κ΅¬μμ κ°λ°ν νμκ΄ λ¬΄μΈν곡기μ μ¬κ³μ λͺ¨λ 12μκ° μ΄μμ μ°μλΉνμ΄ κ°λ₯ν¨μ μ μ μμλ€. This study has developed a small solar powered UAV and performed its flight tests. In daylight, a solar powered UAV flies by using some of electricity generated from solar cells, and stores the remainder into battery. At night it flies by using electricity from battery. A solar powered UAV should have aerodynamically efficient configurations, light-weight, strong wing and fuselage. Its electric propulsion system and solar power system should also be very efficient. In the present study the solar powered UAV and its solar power system are developed for 12 hour continuous flight and the flight tests are performed to verify its performance. The flight tests performed in fall and winter to prove the present solar powered UAV is successful in four-season 12 hour flight.
Ahn et al. (Fri,) studied this question.