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얇은 벽 보를 이용한 초기 받음각이 있는 테이퍼형 복합재료 항공기 날개의 구조 모델링
김근택,송오섭,Kim, Keun-Taek,Song, Ohseop 항공우주시스템공학회 2009 항공우주시스템공학회지 Vol.3 No.2
A structural modelling for study on dynamic characteristics of tapered composite aircraft wings in the form of thin-walled beam is presented. The proposed structural model includes effects of transverse shear flexibility exhibited by the advanced composite materials and warping restraint characterizing elastic anisotropy and induced structural couplings. The complex effects of these factors could have a role in more efficient analysis on those structural models.
소형 무인기 개발 사업에서 시스템엔지니어링 프로세스의 적용 사례
김근택,Kim, Keun Taek 한국시스템엔지니어링학회 2022 시스템엔지니어링학술지 Vol.18 No.1
An application case of systems engineering (SE) processes for the small unmanned aerial vehicle (UAV) development project, which was funded by the Korean government during June 2017 ~ August 2020, is briefly presented in this paper. From the beginning to the end of the project, SE processes had been applied and managed by simple and intuitive aspects for the small/medium business companies joined with insufficient experiences of SE. And the specific considerations of the processes were focused to the missions of disaster and public safety purposes required from the government, such as identification, patrol, fire, rescue, etc. As a result, the project applied by the tailored SE processes had been rated of a good and higher accomplishment on the final evaluation, and then the related several programs were prepared successively for the other opportunities.
소형항공기 자동착륙시스템의 퍼지제어기 적용에 관한 기초 연구
김근택,김응태,성기정,안석민 한국항공운항학회 2012 한국항공운항학회지 Vol.20 No.1
Fuzzy control has emerged as a practical alternative to classical control schemes in controlling certain time-varying, nonlinear, and ill-defined processes. As the current of this kind of a research paradigm, we concluded that there is a need for application study of a fuzzy control theory to the flight control systems of small aircraft being to be developed at KARI. And then, this preliminary study was carried out to the automatic landing system of the canard aircraft (Firefly) for the purpose of the preparation of extension of research contents and various application areas, in which FMRLC was chosen as the fuzzy controller of the system.