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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국항공우주학회 International Journal of Aeronautical and Space Sciences International Journal of Aeronautical and Space Sciences Volume.17 Number.4
- 발행연도
- 2016.12
- 수록면
- 631 - 640 (10page)
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초록· 키워드
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A dual-mode power management for a hybrid-electric UAV with a cruise power of 200W is proposed and empirically verified. The subject vehicle is a low-speed long-endurance UAV powered by a solar cell, a fuel cell, and a battery pack, which operate in the same voltage bounds. These power sources of different operational characteristics can be managed in two different methods: passive management and active management. This study proposes a new power management system named PMS2, which employs a bypass circuit to control the individual power sources. The PMS2 normally operates in active mode, and the bypass circuit converts the system into passive mode when necessary. The output characteristics of the hybrid system with the PMS2 are investigated under simulated failures in the power sources and the conversion of the power management methods. The investigation also provides quantitative comparisons of efficiencies of the system under the two distinct power management modes. In the case of the solar cell, the efficiency difference between the active and the passive management is shown to be 0.34% when the SOC of the battery is between 25~65%. However, if the SOC is out of this given range, i.e. when the SOC is at 90%, using active management displays an improved efficiency of 6.9%. In the case of the fuel cell, the efficiency of 55% is shown for both active and passive managements, indicating negligible differences.
목차
Abstract
1. Introduction
2. Electric Power Sources
3. Design of Power Management System2
4. Validation of Dual-Mode Power Management System
5. Conclusion
References
참고문헌 (22)
참고문헌 신청
[학술지(정기간행물)] - Sehra, A. K. / 2004 / Propulsion and Power for 21st Century Aviation / Progress in Aerospace Science 40 (4) : 199 ~ 235
[학술지(정기간행물)] - Nadal, M. / 1996 / Development of a Hybrid Fuel Cell/Battery Powered Electric Vehicle / International Journal of Hydrogen Energy 21 : 497 ~ 505
[학술지(정기간행물)] - Brandt, S. A. / 1995 / Design Analysis Methodology for Solar-Powered Aircraft / Journal of Aircraft 32 (4) : 703 ~ 709
[학술지(정기간행물)] - Herwitz, S. R. / 2004 / Imaging from an Unmanned Aerial Vehicle : Agricultural Surveillance and Decision Support / Computer and Electronics in Agriculture 44 (1) : 49 ~ 61
[학술지(정기간행물)] - Bradley, T. H. / 2007 / Development and Experimental Characterization of a Fuel Cell Powered Aircraft / Journal of Power Sources 171 (2) : 793 ~ 801
[학술지(정기간행물)] - Nadal, M. / 1996 / Development of a Hybrid Fuel Cell/Battery Powered Electric Vehicle / International Journal of Hydrogen Energy 21 : 497 ~ 505
[학술지(정기간행물)] - Brandt, S. A. / 1995 / Design Analysis Methodology for Solar-Powered Aircraft / Journal of Aircraft 32 (4) : 703 ~ 709
[학술지(정기간행물)] - Herwitz, S. R. / 2004 / Imaging from an Unmanned Aerial Vehicle : Agricultural Surveillance and Decision Support / Computer and Electronics in Agriculture 44 (1) : 49 ~ 61
[학술지(정기간행물)] - Bradley, T. H. / 2007 / Development and Experimental Characterization of a Fuel Cell Powered Aircraft / Journal of Power Sources 171 (2) : 793 ~ 801
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UCI(KEPA) : I410-ECN-0101-2017-558-002009752