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전위차계를 이용한 무인항공기 조종면 변위 측정 장치 구현 및 적용
김지철,최일규,공성철,전동익,이상철,오화석,강민영,Kim, Ji-Chul,Choi, Il-Gyu,Gong, Sung-Chul,Cheon, Dong-Ik,Lee, Sangchul,Oh, Hwa-Suk,Kang, Min-young 항공우주시스템공학회 2009 항공우주시스템공학회지 Vol.3 No.3
Aircraft flight control surfaces which are one of the most important elements of safety allow a pilot to adjust and control the aircraft's flight attitude. This paper is described of the control surface deflection angle measuring device. Data analysis through ground test and flight test can provide reliability of this device using the present system. It is also shown that measuring system is capable of detecting failure of control surfaces.
수직장애물 환경 주행 능력향상을 위한 소형 UGV 플랫폼 설계
김지철(Ji Chul Kim),박종원(Jong Won Park),백주현(Joo Hyun Baek),유재관(Jae Kwan Ryu),김범수(Beom Su Kim),김수현(Soo Hyun Kim) Korean Society for Precision Engineering 2011 한국정밀공학회지 Vol.28 No.10
There have been many researches about SUGV (Small Unmanned Ground Vehicle) mechanism regarding off-road mobility and obstacle negotiation. This paper introduces an analysis of geometry parameters to enhance the vertical obstacle negotiation ability for the SUGV. Moreover, this paper proposes an anti-shock structure analysis of wheels to protect the main body of the SUGV when it falls off a vertical obstacle. Major system geometry parameters will be determined under certain constraints. The constraints and optimization problem for maximizing the ability of vertical obstacle negotiation will be presented and discussed. Dynamic simulation results and experiments with manufactured platform will also be presented to validate the analysis. Several types of wheel materials and structures will be compared to determine the best anti-shock wheel design through FEM (Finite Element Method) simulations.