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송용수(Yong-Soo Song),이재호(Jae-Ho Lee),김용규(Yong-Kyu Kim),창상훈(Sang-Hoon Chang) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The purpose of this study was to analyze and improve the communication interferences in the wireless communication equipments of the CBTC applied to a model intelligence train control system. So far train positions have been traced by the conventional fixed blocking system to control the operation of the trains but the new CBTC system uses the on-ground location to transmit the train positions wirelessly to the ground control center continuously so being more vulnerable to communication interferences. Although the researcher analyzed and improved such interferences in the communication equipments of the CBTC system there remain more rooms for its improvement.
송용수(Yong-Soo Song),김용규(Yong-Kyu Kim),신덕호(Duck-Ho Shin),창상훈(Sang-Hoon Chang) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The maintenance of the turnout is composed of signal field and track field on business the electrical and mechanical field on system. adjustment and maintenance carry forward through coordination with these fields. In the case of turnout equipment used in a first phase of Seoul-Busan high-speed train it is treated by classifying as mechanical adjustments and electrical adjustments. Mechanical adjustment is conducted with focus on fine adjustment to meet maintenance standards limits(1mm or less) about interval of basic rail and tongue rail about each part of track transition equipment. This refers to mechanical adjustments performed mainly with physical changes and movement characteristics between basic rail and tongue rail by considering the overall environment surrounding track side of section installed track transition equipment. However these series of maintenance are conducted in state that high-speed train is not in the process from 1 am to 4 am at night but common workers for maintenance are not familiar with the operation and checking about various situation and the workers are even insufficient. Maintenance training using mixed reality is conducted in the place of business we tried to overcome several problems of safety and time reduction through this training.
철도전용무선망 계측시스템 데이터의 처리 및 분석에 관한 연구
송용수(Song Yong Soo) 한국통신학회 2014 한국통신학회 학술대회논문집 Vol.2014 No.1
본 논문에서는 틸팅 열차 시험운행 시 계측 시스템을 이용하여 수집한 데이터를 처리하는 방안을 연구에 앞서 계측 센서 및 모듈과 프로그램에 관하여 서술하였으며, 수집된 데이터를 이용한 분석에 관한 방안 및 분석 프로그램에 대해 서술 하여 현재 설치된 계측 시스템에서 수집된 데이터를 처리 분석할 수 있는 프로그램에 대하여 서술하였다. 처리 분석프로그램은 현재 활용중인 종합계측시스템에서 사용된 LabView를 기반으로 하여 개발된 프로그램으로서 수집된 데이터의 신속 정확한 분석이 가능하다.
송용수(Yong-Soo Song),백종현(Jong-Hyen Baek),고태균(Tae-Kyun Ko),김용규(Yong-Kyu Kim) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
A Consider the dead man's switch installed in each and every locomotive cab which support operational safety on railways around the world. The concept is very simple every 150 to 180 seconds an illuminated push-button demands to be acknowledged so as to know that the Train Driver is alive and active. In the absence of a response over a period of minutes the vigilance control will automatically apply the train brakes and bring the train to a stand. If we multiply the resetting of the vigilance control 60 times per hour by a 10-hour shift it equals 600 presses of the button during the shift that a Train Driver must pay attention to and acknowledge. This adds a fair bit of pressure on the train driver's job particularly when he/she is driving through stations with passengers moving about on platforms in an environment of complex signaling arrangements all the while looking out for restricting signals. From this perspective the Vigilance System's demand to be acknowledged every 150/180 seconds is disturbing and can unnecessarily take a driver's attention away from what is happening outside the confines of the cab. A much more dramatic situation can happen when a train driver is driving hour after hour at night when by Mother's Nature request - people need to sleep. Experience and research shows that the the dead man's switch can be pressed by train driver in a state of deep relaxation and'micro-sleep'. The vigilance control system which is applied to reduce the drive load considering bio-response multiple unit train is proposed.