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박기수(Gie Soo Park),김자영(Ja young Kim),박채정(Chae Jung Park),이성훈(Sung Hoon Lee),류명선(Myung Seon Ryou) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
The CBTC(Communication Based Train Control) system a recent train control system is a wireless communication based train control system that is operated in the moving block system control by tracking trains in real time. In additioin the system helps to increase the volume of traffic by shortening driving headways through controlling moving block system control. Furthermore driverless modes are performed by controlling ATP(Automatic Train Protection)/ATO(Automatic Train Operation). In this paper controllable elements in ATO driverless train control system affecting comfortable ride will be analysed and applied to CBTC train control system that developed by POSCO ICT. Finally the test results of improved comfortable ride will be showed by appling the developed system to the Gyeong-san light rail transit test track
박기수(Gie-Soo Park),조동래(Dong-Rae Cho),류명선(Myung-Seon Ryou) 제어로봇시스템학회 2011 제어·로봇·시스템학회 논문지 Vol.17 No.7
The Wolmi Eunha-Rail in Incheon is connecting Wolmido and Incheon Station with an elevated monorail road supported by piers. This railroad system is characterized by driverless automatic operation and moving-block based control. The main technology applied to this signal-controlled system is CBTC (Communications-Based Train Control) which based on wireless communications. The CBTC system is simple in that composition so that can minimize field facilities and lowers costs of construction and maintenance. This CBTC system is emerging as a major signal-controlled system in the future metro market.
박기수(Gie-Soo Park),조동래(Dong-Rae Cho),류명선(Myung-Seon Ryou) 제어로봇시스템학회 2010 제어로봇시스템학회 각 지부별 자료집 Vol.2010 No.12
The Wolmi Eunha-Rail in Incheon is connecting Wolmido and Incheon Station with an elevated monorail road supported by piers. This railroad system is characterized by driverless automatic operation and moving-block based control. The main technology applied to this signal-controlled system is CBTC(Communications-Based Train Control) which based on wireless communications. The CBTC system is simple in that composition so that can minimize field facilities and lowers costs of construction and maintenance. This CBTC system is emerging as a major signal-controlled system in the future metro market.
조동래(Dong-Rae Cho),박기수(Gie-Soo Park),김자영(Ja-Young Kim),이성훈(Sung-Hoon Lee),이재형(Jae-Hyung Lee) 한국철도학회 2013 한국철도학회 학술발표대회논문집 Vol.2013 No.11
CBTC(Communication Based Train Control)제어시스템이 무선 통신을 이용하여 일정주기로 열차를 제어하고 지상신호장치는 열차 위치를 보정해서 차상신호장치로 보다 정확한 열차 제어정보를 전송한다. CBTC시스템은 무선 통신장치 등의 고장에 의해 지상장치와 차상 장치 간의 제어정보를 송수신하지 못 할 경우, 열차의 안전을 확보하기 위해 해당구간을 방호구간으로 설정하고, 고장 등의 문제가 해소되면 열차의 위치를 자동적으로 재검지한다. In order for CBTC(Communication Based Train Control) control system to control a train periodically through wireless communication, wayside signal equipment compensates the train position and sents more detail train control informations to onboard signal equipment. If communication between the wayside and onboard signal equipment is failed by the failure of train control system and wireless communication equipment, the train sets related area as a protection zone for safety. then when the failure is released, train automatically starts re-detection.
전종화(Quan Zhong-Hua),박덕규(Park Duk-Kyu),박기수(Park Gie-Soo),류명선(Ryou Myung-Seon),김재식(Kim Jae-Sik),최승갑(Choi Seung-Gap) 한국철도학회 2009 한국철도학회 학술발표대회논문집 Vol.2009 No.5월
In this paper, the study on the allocation of dedicated radio frequency for the radio communication based CBTC system is performed. The dedicated bandwidth for the the private use in railroad is figured out and the allocatable frequency band, which should be investigated hereafter, is proposed. The result of this study provides the basis to present the requirement of dedicated railroad radio frequency and can be used as an important material for the frequency allocation. Furthermore, it is expected that the result can be contributed to the development on railroad radio communication.
Onboard ATP 소프트웨어 SIL4 확보를 위한 모듈 시험 및 검증
조동래(Dong Rae Cho),류명선(Myung Seon Ryou),박기수(Gie Soo Park),김자영(Ja Young Kim) 한국철도학회 2014 한국철도학회 학술발표대회논문집 Vol.2014 No.10
KRTCS UOBC시스템은 기능적으로 ATP와 ATO로 구분되고, 본 논문은 SIL4가 할당된 Onboard ATP 소프트웨어 모듈에 국한하여 기술한다. SIL4인 ATP모듈은 철도시스템의 안전관련 규격인 IEC62279에 따라 시험 및 검증이 되어야 한다. ATP모듈은 SIL4를 만족하기 위하여 IEC62279의 모듈단계의 요구사항 및 그 수준에 맞는 technique/measure를 선택하여 시험하고 분석되어야 한다. 본 논문은 SIL인증을 받기 위해 많은 시간이 필요한 모듈단계를 대상으로 하고, SIL4인증을 받은 Onboard ATP 시스템을 토대로 효율적인 시험 및 검증 방안을 제시하고자 한다. KRTCS UOBC system, acquired SIL certification, is functionally classified as ATP and ATO, and this paper only explains onboard ATP software modules which are allocated to SIL 4. SIL4 ATP modules should be tested and verified in accordance with IEC62279, standard for safety related railway system. ATP modules should be tested and verified through selection of module level requirements and the technique/measure for the suitable level of IEC62279 in order to satisfy SIL4. The scope of this paper is limited to module level, requiring lots of time and effort, and efficient test and verification methods will be suggested based on SIL4 certificated onboard ATP system.
유성호(Sung-Ho Yoo),이태규(Tae-Gyu Lee),이성훈(Sung-Hoon Lee),박기수(Gie-Soo Park),류명선(Myoung-Seon Ryou) 한국철도학회 2011 한국철도학회 학술발표대회논문집 Vol.2011 No.10
With the rapid development of information and communication technology CBTC system based on the wireless communication is widely applied in the railway signal system recently. CBTC system has advantages of lower installation space and maintenance fee than existing systems and the increase of transportation capacity and improvement of operating efficiency etc. due to the short headway. Based on the continuous wireless data communication between onboard and wayside equipment CBTC system not only locates the train and transmits the information required for the train control but also implements the moving block function by calculating the brake curves continuously according to distance from the preceding train. CBTC system can use either inductive loop (IL-CBTC) or radio frequency transmissions (RF-CBTC). In this paper we propose RF-CBTC system architecture based on the functional modules in which the CAN bus network is applied for the interfaces between the modules.
유성호(Yoo Sung Ho),류명선(Ryou Myung Seon),박기수(Park Gie Soo),조동래(Cho Dong Rae),최혜림(Choi Hye Rim),김자영(Kim Ja Young) 대한전기학회 2009 정보 및 제어 심포지엄 논문집 Vol.2009 No.10
IT분야의 통신기술이 급속히 발달함에 따라 철도신호시스템에도 무선통신기술이 적용된 열차제어 방식인 CBTC 시스템이 확대되고 있다. CBTC 시스템은 비교적 적은 설치 및 유지보수 비용과 짧은 시격운용으로인한 운송 수송능력 확대, 운행효율 개선 등의 장점을 가지고 있다. CBTC 시스템은 차량과 지상간의 우선데이터 통신을 통하여 열차 위치를 검지하고 열차제어에 필요한 정보를 전송함과 동시에, 선행 열차와의 최적 제동거리를 연속적으로 산출하여 열차간격 제어를 수행하는 이동폐색방식 (MBS)의 열차제어 기능을 구현한다. CBTC 신호시스템은 무선 데이터 링크 방식에 따라 유도루프 방식(IL, Inductive loop)과 무선 방식(RF. Radio Frequency) 방식으로 구분할 수 있으며, 본 논문에서는 RF방식의 CBTC 시스템에 적용될 지상장치에 관한 연구이며 CBTC 지상장치 시뮬레이터를 이용하여 CBTC 지상장치의 성능을 확인하였다.
김재진(Jae-Jin Kim),김현진(Hyeon-Jin Kim),박기수(Gie-Soo Park),권병기(Byung-Ki Kwon) 대한전자공학회 2016 대한전자공학회 학술대회 Vol.2016 No.6
Generally, the EMS is consists of four layer composed of various equipments. Therefore, a lot of time and cost used to build it. In addition, this EMS is very inefficient for small industrial sites. Because the small number of function is used compare to various supported functions. To cope with this problem, we are proposed to improve EMS construction method, in this paper.