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정종덕(Chung Jong-Duk),이안호(Lee An-Ho),한석윤(Han Seok-Youn) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
As the AGT system has never operated in Korea, the construction of test track is essential to the acquisition of safety for the passengers. However, the test track is a synthetic system including vehicle, power system, signalling, track etc, several factors must be considered. In this paper, we suggest the general guideline for the test track of AGT system and test items on test track through the investigation of leading test facilities in the world. Through continuous study and investigation, we finally will build the test track to verify the reliability requirements between the train and infrastructures.
정종덕(Chung Jong-Duk),김정국(Kim Jeong-Guk),홍용기(Hong Yong-Ki),이동형(Lee Dong-Hyung),편장식(Pyun Jang-Sik) 한국철도학회 2004 한국철도학회 학술발표대회논문집 Vol.- No.-
The deterioration of a shunting locomotive was characterized for the lifetime assessment. The locomotive has been used for shunting works in steel making processes, and in this investigation, various types of technical evaluation methods for the locomotive parts were employed to assess the current deterioration status and to provide important clue for lifetime prediction. Unlike other rolling stocks in railway applications, the diesel shunting locomotive is composed of major components such as diesel engine, transmission, gear box, brake system, electronic devices, etc. In this paper, the degree of deterioration in a diesel engine and power transmission parts has been presented based on the analysis results.
PSD 설치에 따른 도시철도차량의 Kinematic Envelope 영향 분석
정종덕(Chung Jong-Duk),편장식(Pyun Jang-Sik),조희제(Cho Hui-Je),홍용기(Hong Yong-Ki) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
Since PSD(Platform Screen Door) is set up at many subway stations, its design related to a safety becomes gradually important. Especially the intereference check with a running railway vehicle is the most important of performance indices. This study proposes a dynamic analysis models for the railway vehicle and rail. Some design parameters are considered in the models to find a correlation to the performance.
도시철도차량 구조체의 소성 및 탄성모델에 따른 처짐특성 분석
정종덕(Chung Jong-Duk),편장식(Pyun Jang-Sik),조희재(Cho Hui-Je) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.11월
This paper describes the deflection analysis method and results for elastic and plastic model of EMU(Electric Multiple Units) structural. The model has four wheels, two bolsterless bogies and one passenger coach. The wheel and bogie is modeled as a rigid body and the passenger coach is modeled as flexible bodies. Analysis methods will be introduced to consider a remanent stress of the passenger coach due to a camber of underframe. Dynamics analysis carried out to extract a dynamics stress under some camber cases.