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- W1987816054 abstract "본 논문에서는 레일형 초고속 열차의 개념 설계안을 제안하고 동역학 해석을 통해 주행 동특성을 예측하고자 한다. 초고속 열차에는 단일 윤축세트가 포함된 새로운 형태의 대차가 적용되었으며, 기존의 일체형 차축 대신 독립차륜이 적용되었다. 초고속 열차의 동특성을 파악하기 위하여 먼저, 차량에 대한 동역학 수치해석모델을 개발하고 고유치 해석을 통해 해석 모델의 기본적인 타당성을 검증하였다. 또한, 임계속도 해석을 통하여 기존 고속철도 HEMU-430X 차량에 비해 향상된 성능을 확인하였으며, 7000R 곡선선로에서 550km/h 주행해석을 통하여 횡압, 탈선계수 등을 예측하고 초고속 열차 개념 설계안의 적용 가능성을 파악하였다. In this paper, a concept design of a rail type ultra-high-speed train is proposed and its dynamic characteristics are analyzed. Instead of the existing solid axle, a new type bogie system and independently rotating wheels are applied in the proposed train. In order to analyze the dynamic characteristics, a multibody dynamic model of a vehicle is developed and the basic validity is verified by eigenvalue analysis. Also, it is shown that the critical speed is improved in comparison to that of existing high-speed train model HEMU-430X. Finally, through 7000R curved track driving analysis at a speed of 550 km/h, the lateral force of the wheels and the derailment quotient are estimated and the applicability of the new concept railway vehicle is confirmed." @default.
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- W1987816054 date "2014-02-28" @default.
- W1987816054 modified "2023-10-16" @default.
- W1987816054 title "Analysis of Dynamic Characteristics for Concept Design of Independent-Wheel Type Ultra-High-Speed Train" @default.
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- W1987816054 doi "https://doi.org/10.7782/jksr.2014.17.1.28" @default.
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