• Title, Summary, Keyword: 차세대고속열차

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Development of Performance Estimate and Verification Process for Next Generation High-speed Prototype Train (차세대고속열차 차량시스 성능예측 및 성능검증 체계 개발)

  • Kim, Sang-Soo;Lee, Tae-Hyung;Choi, Sung-Hoon;Park, Choon-Soo;Han, In-Soo;Mok, Jin-Yong
    • Proceedings of the KSR Conference
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    • pp.555-560
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    • 2008
  • Korean Train Express (KTX) has been commercially operating and achieving elevation on transport capacity since 2004. And HSR-350x was developed and succeeded in testing of running over 350km/h. The new high-speed train development project, HEMU-400x project, has started since last year. To develop the train system, it is important how we progress the configuration of the system, design, manufacturing and test verification. The authors devised the performance estimate and verification process of the HEMU-400x and the project is performed following the developed processes.

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A Review on signaling system for new high speed train test at the existing high speed line (기존 고속선에서 고속열차 최고속도시험을 위한 신호분야검토)

  • Lee, Jae-Ho;Shin, Duc-Ko;Lee, Kang-Mi
    • Proceedings of the KIEE Conference
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    • pp.1031-1033
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    • 2008
  • 차세대 한국형 고속열차는 분산형 시스템으로 최고속도 400km/h, 운행속도 350km/h을 목표로 개발중에 있다. 차세대 고속열차의 신호시스템은 기존선의 자동열차정지(ATS, Automatic Train Stop) 및 자동열차방호(ATP, Automatic Train Protection)와 고속선의 자동열차제어(ATC, Automatic Train Control) 신호방식을 모두 사용하는 ATP+ATS+ATC 형태의 차상장치가 개발 설치될 예정이다. 따라서 이러한 장치의 개발과 연계하여 차세대 한국형 고속열차는 기존 경부고속선에서 시험주행을 할 예정이다. 따라서 기존 경부고속선에서 차세대 고속열차의 최고 속도시험를 위한 신호분야의 방안을 검토하고자 한다. 본 논문에서는 3가지의 방안을 제시하여 적합성과 운영효율성을 고려하여 최적의 방안을 도출하는 방식으로 전개할 예정이다.

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A Study on Maximum Speed Test for On-board Signalling Equipment in HEMU-400x (차세대고속열차 차상신호장치 최고속도 시험방안에 관한 연구)

  • Shin, Duc-Ko;Lee, Jae-Ho;Lee, Kang-Mi;Kim, Yong-Kyu;Park, Choon-Soo
    • Journal of the Korean Society for Railway
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    • v.12 no.5
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    • pp.670-677
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    • 2009
  • This paper is a study of testing on-board signalling equipment in advanced high speed rail at the maximum speed of 400km/h. The on-board signalling equipment in advanced high speed rail provides operating information to the driver when operating at ATC, ATS, and ATP sections, and maintains safety from driver oversight, signalling equipment malfunction, natural disasters and so on. Since the testing train performance of advanced high speed rail at 400km/h must include the function test of on-board signalling equipment, this thesis focuses on the function test of on-board signalling equipment and analyze the necessity of the test at the maximum speed. Finally, it is suggested to change some infrastructure and to use specific test methods to test the train performance at the maximum speed in high speed line ATC section.

Development of Mode Choice Model for the Implementation of Next-generation High Speed Train(HEMU-430X) (차세대 고속열차 도입에 따른 수단분담모형 개발 및 적용방안)

  • LEE, Kwang Sub;CHUNG, Sung Bong;EOM, Jin Ki;NAMKUNG, Baek Kyu;KIM, Seok Won
    • Journal of Korean Society of Transportation
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    • v.33 no.5
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    • pp.461-469
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    • 2015
  • The next generation high-speed train, HEMU-430X, was developed and is now being tested. However, the existing mode choice models based on the guidelines for feasibility studies do not consider a high-speed train with a higher speed than KTX. This limitation might result in inaccurate demand forecasting. In this research, a stated preference survey was conducted in order to supplement the problem by considering the characteristics of HEMU-430X. Based on the survey results, this research developed two mode choice models, including a multinomial logit model and a nested logit model. For this purpose, the utility functions of travel time and travel costs were estimated using a Limdep 8.0 NLOGIT 3.0 package. After comparing the two models, it was concluded that the nested logit model is appropriate. The paper suggested a plan to implement the nested logit model and presented a policy implication.

Reliability Growth Analysis for Next-Generation High-speed Train (차세대 고속열차의 신뢰성 성장 분석)

  • Noh, Hee-Min;Kim, Seog-Won
    • Journal of the Korean Society for Railway
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    • v.18 no.3
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    • pp.186-193
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    • 2015
  • In this paper, a reliability growth analysis for a next-generation high-speed train was conducted. First, the high-speed train was decomposed into 6 sub-systems and main equipment of the high-speed train was derived from functional diagrams. Next, failure rates were calculated for each sub-system from the failure data obtained during commissioning tests. Then, reliability growth analysis was conducted for the high-speed train using the Duane model. The results show that activities to increase reliability were carried out throughout the test runs from the reliability growth results.