• Title, Summary, Keyword: 고속철도

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고속철도의 자기진단(self-Diagnosis)기술

  • 김길상;황희수
    • 전기의세계
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    • v.43 no.6
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    • pp.19-26
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    • 1994
  • 본 고에서는 고속철도에 사용된 자기진단기술의 특성 및 요소기술을 설명하고 프랑스 TGV의 차량용 On board 자기진단시스템의 기능과 열차제어 및 신호시스템에 적용된 자기진단 기능을 소개함으로써 관련 기술의 이해를 돕고자 한다.

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Connectivity Analysis of KTX Stations according to KTX Connection Characteristic Variable and KTX Modal Split (고속철도 연계특성변수와 수단분담률에 따른 고속철도역 연계성 분석에 관한 연구)

  • Shin, Hyun-Ju;Kim, Byung-Kwan
    • Journal of the Korean Society for Railway
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    • v.16 no.6
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    • pp.503-509
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    • 2013
  • Since the opening of KTX, the number of people coming to KTX stations to use KTX has steadily increased. Passengers have a variety of access modes between a KTX station and their origin/destination. But there is no way to confirm the level of connection strength. So this study examines various connection characteristic variables that can show the connectivity, and examines influencing relationships, and chooses variables that affect connectivity by using a KTX modal split. We will suggest connectivity estimation models between a KTX station and origin/destination based on the selected connected variables.

A Study on the Improvement of Railway Construction Schedule Using KTX Construction Case (경부고속철도 사례분석을 통한 철도건설공기 개선에 관한 연구)

  • Yang, Yeonjong;Chung, Byunghyun
    • Journal of the Korean Society for Railway
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    • v.15 no.6
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    • pp.662-669
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    • 2012
  • In 2004, KTX operated in Korea on the 5th in the world. But there are various factor on planed schedule delay of Big National Construction Project like Seoul-Busan High Speed Rail Project(Seoul-Busan HSR). For example, Often change of government policy, project management control problem of design and construction, conflict of interested party like environmental organization/resident are the main delay factors. The suggestions for improvement of the construction schedule through the Seoul-Busan HSR will help to make a new leap forward in rail construction.

A Suggestion of Blasting Patterns of a Mine closed to Railway Line for Securing Safety of High Speed Train (고속철도 안전확보를 위한 노선 인접 광산의 발파패턴 제안)

  • Kim, Hyun-Ki;Lee, Sung-Hyeok;Lee, Jin-Wook;Choi, Chan-Yong
    • Journal of the Korea institute for structural maintenance and inspection
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    • v.19 no.5
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    • pp.1-9
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    • 2015
  • Recently Honam high-speed railroad line is constructed in southern part of Korea. This line is for next generation HST named HEMU-430X. But there is a limestone mine near this line and this mine will make a process to dig a passageway under the railway line. In this case, safety of railroad system and stability of mine are crucial problems on both sides. By measuring mine blasting vibration and calculating regression equation, effect of mine blasting to train running is investigated quantitatively. 0.5 kine (cm/sec) is applied as a management specification of vibration based on field measurement. In this study, changes of blasting patterns are suggested to control vibration of mine blasting. And the effect of train vibration to mine is also invesitigated by numerical analysis.

Estimatiom of Noise Effects of High Speed Train on Conventional Line (고속전철의 기존선 운행시 소음평가)

  • Na, Hee-Seung;Lee, Hi-Seng;Kim, Ki-Hwan;Yang, Sin-Chu;Choe, Kang-Youn;Hyun, Seung-Ho
    • Proceedings of the Korean Society for Noise and Vibration Engineering Conference
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    • pp.518-523
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    • 2000
  • As the delay of the Kyungbu High Speed Railroad, HST should use conventional line through Daegoo to Pusan until the new railroad build. High speed railroad noise is one of the main causes of environmental impact. Whenever HST on conventional railroad line is planned or a housing project near an existing railroad is proposed, an estimate of the relevant noise levels is usually required. For this, it is necessary to Quantify those parameters that affect the railroad noise. This paper deals with an estimation of high speed railroad noise on conventional line.

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Load and psophometric Current Test on the Seoul-Pusan conventional line (기존선 전철화 노선 부하전류 및 등가방해전류 시험)

  • Lee, Tae-Hyung;Han, Young-Jae;Park, Choon-Soo;Im, Yong-Chan;Choi, Sung-Hoon;Kim, Seog-Won
    • Proceedings of the KIEE Conference
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    • pp.179-180
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    • 2007
  • 신설한 기존선 전철화 노선에서 영업운행을 시작하기 전에 차량의 성능과 급전설비의 용량을 선로의 상태를 고려하여 평가하는 것이 중요하다. 본 논문에서는 개통을 앞두고 있는 경부선 기존선 대전-동대구 구간을 대상으로 한국형 고속열차를 주행하고 속도단계를 올리며 차량 부하전류와 등가방해전류 시험을 수행하고 그 결과를 소개한다.

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Study in the development of High Speed Rail(HSR) and its influence (고속철도의 발전과 영향력)

  • Lee, Yong-Sang;Mun, Dae-Seop
    • Journal of the Korean Society for Railway
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    • v.10 no.1
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    • pp.23-37
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    • 2007
  • Since 1964, HSR, which was opened in Japan, has had a hoge impact on the world. Historically, HSR has similar characteristics to the Roman Road, which promoted rapid movement and hada great influence on international society as transport infrastructure. Recently the development of HSR has become more rapid because of economic, environmental and external cost concern, emphasizing Environmentally Sustainable Transport(EST). In particular, the external cost has become more important factor for justifying HSR. The successful factors of HSR are high demand and cost minimal construction costs. There are two successful HSR models, the Japanese and the French. The former operates based on high demand oriented and the latter focuses on its minimizing costs. The demand orientated model means HSR carries over 100,000 passengers per day as in Japan and Far East Asian countries. The cost minimized model focuses on lower operation and construction costs as in France. In particular, Germany carries both passengers and freight on HSR. The construction costs in Germany are in between those of Japan and France. In future, Korea, Taiwan and China HSR will follow Japan's successful model because of high population density and concentration of economic activity along railway lines. This paper supports Vickerman's argument that HSR is justified where there is a demand of between 12 million and 15 million railway passenger a year(about 40thousand persons/day) between two urban center. This will be shown in the future in Korea, in Taiwan and China. Finally, this paper reviews that HSR activates at 250km/h for dedicated new lines and 200km/h for upgraded lines. In particular, it is successful in area of high population density and cost minimizing technology.

Energy Regenerative Damper Applied to the Railway Vehicle (철도차량의 현가장치로서 에너지 재생 댐퍼 이용에 대한 고찰)

  • Kim Sang-Soo;Park Chun-Soo;Mok Jin-Yong;Seo Sung-Il;Lee Tae-Hyung;Kim Ki-Hwan
    • Proceedings of the KSR Conference
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    • pp.375-380
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    • 2004
  • Vibration of railway vehicle has harmful effect to dynamic performances of railway represented to stability, safety and ride comfort. Hence reduction of vibration has been discussed as an important problem and has been widely investigated. A new technology of vibration control, energy regenerative control, is introduced. Energy regenerative damper using this new vibration control converts vibration energy into other kind of energy that we can utilize. In this paper, this energy regenerative damper is applied to the dynamic absorber and vehicle suspension. And it is evaluated whether the energy regenerative railway vehicle suspension is possible.

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