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조흥제(Hung-Je Cho),이종민(Jong-Min Lee),임세빈(Se-Bin Lim),김석수(Suk-Soo Kim) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
Reliable fast working maglev switch is one of the key technologies needed for the maglev system to be commercialized. Switch for the maglev system is large, heavy, complicated, expensive compared with that of the traditional wheel-on-rail system. This paper reports the development of a segmented maglev switch for urban transit maglev system under construction for the 6.1 km long double track maglev commercialization line in Inchon international airport in 2012. Test results along with details of the segmented maglev switch components are reported.
조흥제(Cho Hung-je),이종민(Lee Jong-min),김동성(Kim Dong-sung) 한국철도학회 2005 한국철도학회 학술발표대회논문집 Vol.- No.-
In the case of the monorail or maglev system, the whole guideway itself in the switching region has to be moved to allow the vehicles to change the track without stopping the run. In this paper we discuss what has to be considered in the design of the EMS type maglev guideway switches and report the development status quo of the maglev guideway switch of Korean maglev UTM-01.
조흥제(Hung-Je Cho),김동성(Dong-Sung Kim),백수현(Su-Hyun Back),정진철(Jincheol Jung),한석인(Suk-In Han) 한국철도학회 2010 한국철도학회 학술발표대회논문집 Vol.2010 No.7
KIMM(Korea Institute of Machinery and Materials ) and ROTEM have been leading development of the low to medium speed urban transit maglev for the past 20 years. The result of this long term national project is UTM-01 ( Urban Transit Maglev -01 ) in 1998 and UTM-02 in 2006 and the 6.1 ㎞ long double track maglev commercialization project in Inchon international airport from 2006 to 2012. In this paper the status of the maglev development for the past 20 years is reported. Design changes in key technologies - maglev bogies, secondary suspension system, levitation system, propulsion system, major power suppling equipments from UTM-01 system to that of commercialization project - are described.
김인근(Kim In-Kun),이상록(Lee Sang-Rok),조흥제(Cho Hung-Je),유문환(Yoo Mun-Hwan),김봉섭(Kim Bong-Seup),성호경(Sung Ho-Kyung),이종민(Lee Jong Min) 한국철도학회 2000 한국철도학회 학술발표대회논문집 Vol.- No.-
The status of the maglev development in Korea is reported along with related commercial application prospects. The 1st test vehicle, Urban Transit Maglev-01, is in the running tests, and is now entered a new phase in which a new vehicle be built within 3 years. Eventhough Korean maglev teams made remarkable progress for 10 years since 1990, major portion of the works to prove safety and reliability remains for the future. Many LRT routes are being planned by the Korean government and UTM will find its commercial application if we can prove many merits of the maglev system plus its reliability. But the commercial application efforts did not produce any outcome at the time because the customer wasn"t totally satisfied with the new system and also, they decided it wasn"t urgently needed.
Halbach 배열 영구자석을 이용한 자기 부상계의 해석에 관한 연구
문석준(Moon, Seok-Jun),윤동원(Yun, Dong-Won),조흥제(Cho, Hung-Je),박성환(Park, Sung-Whan),김병현(Kim, Byung-Hyun) 한국소음진동공학회 2007 한국소음진동공학회 논문집 Vol.17 No.11
Typically, three types of levitation technologies are applied to magnetic levitation systems: electromagnetic suspension, electrodynamic suspension, and hybrid electromagnetic suspension. A Halbach array is a special arrangement of permanent magnets which augments the magnetic field on one side of the device while cancelling the field to near zero on the other side. The application of this Halbach array magnet to the electrodynamic suspension has been recently studied in order to increase the levitation capability. This paper is focused on an analytical method of the magnetic levitation system using Halbach array magnet. The suitability of the proposed method is verified with comparing to the finite element method. In addition, dynamic stability of the magnetic levitation system is discussed. From this study, it is confirmed that the proposed method provides a reasonable solution with less computation time compared to the finite element method and the magnetic levitation system using Halbach array magnet is stable dynamically.
김동성(Dong-Sung Kim),박성환(Seong-Whan Park),백수현(Su-Hyun Back),정진철(Jin-Cheol Jung),조흥제(Hung-Je Cho) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
KIMM(Korea Institute of Machinery and Materials) has been leading in developing low to medium speed urban transit maglev for the past 20 years. The results of this long term national project are UTM-01(Urban Transit Maglev-01) in 1998 and UTM-02 in 2006 and the 6.113km long double track maglev commercialization project in Incheon international airport from 2006 to 2012. The maglev commercialization project being underway is literally the commercialization project aiming at mass passenger transportation that the system reliability and safety should be very high necessitating the risk management. In this paper the risk management activity of the maglev commercialization project is reported.
박성환(Seong-Whan Park),김동성(Dong-Sung Kim),백수현(Su-Hyun Back),정진철(Jin-Cheol Jung),조흥제(Hung-Je Cho) 대한기계학회 2009 대한기계학회 춘추학술대회 Vol.2009 No.11
This study describes the SEMP(Systems Engineering Management Plan) being applied for the successful promotion of a national project of 'Urban Maglev Program'. SEMP means a kind of fundamental document for total integrated managements of the project and of the systems engineering activities. Since the tasks and responsibilities of all participants of the project, involving the tasks to collaborate between them, can be clearly defined and described in the SEMP, all participants can share and clarify their role and responsibility. The national project of 'Urban Maglev Program' are composed of three core projects; the first one for system integration, the second for the development of Maglev vehicle, and the third for a model line construction.