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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.18 Number.4
- 발행연도
- 2017.12
- 수록면
- 662 - 674 (13page)
- DOI
- 10.5139/IJASS.2017.18.4.662
이용수
초록· 키워드
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This paper describes the multidisciplinary design optimization (MDO) process of a tailless unmanned combat aerial vehicle (UCAV) using global variable fidelity aerodynamic analysis. The developed tailless UAV design framework combines multiple disciplines that are based on low-fidelity and empirical analysis methods. An automated high-fidelity aerodynamic analysis is efficiently integrated into the MDO framework. Global variable fidelity modeling algorithm manages the use of the high-fidelity analysis to enhance the overall accuracy of the MDO by providing the initial sampling of the design space with iterative refinement of the approximation model in the neighborhood of the optimum solution. A design formulation was established considering a specific aerodynamic, stability and control design features of a tailless aircraft configuration with a UCAV specific mission profile. Design optimization problems with low-fidelity and variable fidelity analyses were successfully solved. The objective function improvement is 14.5% and 15.9% with low and variable fidelity optimization respectively. Results also indicate that low-fidelity analysis overestimates the value of lift-to-drag ratio by 3-5%, while the variable fidelity results are equal to the high-fidelity analysis results by algorithm definition.
목차
Abstract
1. Introduction
2. Integrated Analysis Framework for UAV Design
3. UCAV Design
4. Results and Discussions
5. Conclusions
References
참고문헌 (36)
참고문헌 신청
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Green, W., Warplanes of the Third Reich, Macdonald and Jane’s Publishers Ltd, London, 1970.
Northrop, J., “The Development of the All-Wing Aircraft”, The Aeronautical Journal, Vol. 51, No. 438, 1947, pp. 481-510.
Bolsunovsky, A. L., Buzoverya, N. P., Gurevich, B. I., Denisov, V. E., Dunaevsky, A. I., Shkadov, L. M., Sonin, O. V., Udzhuhu, A. J. and Zhurihin, J. P., “Flying Wing - Problems and Decisions”, Aircraft Design, Vol. 4, No. 4, 2001, pp. 193-219.
Northrop, J., “The Development of the All-Wing Aircraft”, The Aeronautical Journal, Vol. 51, No. 438, 1947, pp. 481-510.
Bolsunovsky, A. L., Buzoverya, N. P., Gurevich, B. I., Denisov, V. E., Dunaevsky, A. I., Shkadov, L. M., Sonin, O. V., Udzhuhu, A. J. and Zhurihin, J. P., “Flying Wing - Problems and Decisions”, Aircraft Design, Vol. 4, No. 4, 2001, pp. 193-219.
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