지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.4
- 수록면
- 141 - 150 (10page)
- DOI
- 10.5050/KSNVE.2022.32.2.141
이용수
초록· 키워드
오류제보하기
For a rotor system in which the hub/control design and blade OML were determined, the internal structural shape of the blade was designed using the dynamic characteristic surrogate model to maximize the difference between the rotating natural frequency and the integral multiple of the rotational operating frequency. Based on the general blade structure design procedure, an analysis procedure for generating a dynamic characteristic surrogate model was established, and design variables were selected to define the shapes of the internal components. To generate a dynamic characteristic surrogate model, a space filling design method, a type of design of experiment, was applied to generate design variable input values for database configuration. In this process, a range of design variables and constraint conditions suitable for blade design conditions were considered. Based on the analysis results of the finite element 2D sectional properties for various shape input conditions, a 1D beam model dynamic analysis was performed to build a rotation natural frequency database. Using this database, a dynamic characteristic surrogate model for the blade structure design was generated. A regression model and an artificial neural network model were used as surrogate models, and the 1st ~ 4th modes of the blade rotation natural frequency were predicted with the surrogate model and compared with the actual analysis results. Additionally, the values of design variables that can satisfy the dynamic characteristic requirement were selected through probability analysis of the two dynamic characteristic surrogate models, and the accuracy of the predicted values was also confirmed by comparing the analysis results.
목차
ABSTRACT
1. 서론
2. 본론
3. 결론
References
참고문헌 (11)
참고문헌 신청
Kim, T. J. and Cho, J. Y., 2018, Prop-blade Cross Section Design for QTP-UAV, Journal of the Korean Society for Aeronautical and Space Sciences, Vol. 46, No. 10, pp. 845~855.
Proust, M., 2021, JMP Documentation Library, SAS Campus Drive, Cary, NC 27513.
Kang, Y. C., Cho, J. Y., Dhadwal, M. K., Jung, S. N. and Kim, T. J., 2011, Development of Program for Modeling of Cross Section of Composite Rotor Blade Using Open CASCADE, Proceedings of the KSAS Fall Conference, pp. 1787~1791.
Park, I. J., Jung, S. N., Cho, J. Y. and Kim, D. H., 2009, A Study on Calculation of Cross-section Properties for Composite Rotor Blade Using Finite Element Method, Journal of the Korean Society for Aeronautical and Space Sciences, Vol. 37, No. 5, pp. 442~449.
Johnson, W., 2007, CAMRAD II Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics. Volume I: Theory, Johnson Aeronautics, Palo Alto, CA.
Proust, M., 2021, JMP Documentation Library, SAS Campus Drive, Cary, NC 27513.
Kang, Y. C., Cho, J. Y., Dhadwal, M. K., Jung, S. N. and Kim, T. J., 2011, Development of Program for Modeling of Cross Section of Composite Rotor Blade Using Open CASCADE, Proceedings of the KSAS Fall Conference, pp. 1787~1791.
Park, I. J., Jung, S. N., Cho, J. Y. and Kim, D. H., 2009, A Study on Calculation of Cross-section Properties for Composite Rotor Blade Using Finite Element Method, Journal of the Korean Society for Aeronautical and Space Sciences, Vol. 37, No. 5, pp. 442~449.
Johnson, W., 2007, CAMRAD II Comprehensive Analytical Model of Rotorcraft Aerodynamics and Dynamics. Volume I: Theory, Johnson Aeronautics, Palo Alto, CA.
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