• 제목/요약/키워드: Passenger door step

검색결과 3건 처리시간 0.022초

한국형 고속틸팅열차의 중간부 충돌에너지 흡수구조에 대한 연구 (A study on crash energy absorption design of passenger-car extreme structure of tilting train prototype)

  • 권태수;정현승;구정서
    • 한국정밀공학회:학술대회논문집
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    • 한국정밀공학회 2005년도 춘계학술대회 논문집
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    • pp.326-330
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    • 2005
  • Crahworthy design of trains is now indispensable procedure in modern railway vehicle design for ensuring the safety of passengers and crew. It is now widely recognized that a more strategic approach is needed in order to absorb higher level energy in a controlled manner and minimize passenger injuries effectively. The first design step in this strategic approach is the design of the front end structure(so called HE extremities) to absorb a large part of total impact energy and then the structure of passengers non-accommodation zones(so called HE extremities) is designed to absorb the rest of impact energy. In this paper, the passengers entrance door area is selected as the LE(low energy) extremities and the design of the LEE was carried out. The main part of LEE design procedures is the design of energy absorbing tubes. For this purpose, the several tube candidates are introduced and compared to each others with numerical crash simulation.

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기존선 틸팅차량 Mcp Car 차체 설계초안의 충돌에너지 흡수특성 고찰 (Impact Energy Absorbtion Characteristics Review on the Initial Design of TTX Mcp Car front-end Structure)

  • 권태수;정현승;구정서;조태민
    • 한국철도학회:학술대회논문집
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    • 한국철도학회 2004년도 추계학술대회 논문집
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    • pp.652-656
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    • 2004
  • Crashworthy design of trains is now indispensable procedure in modern railway vehicle design for ensuring the safety of Passengers and crew. It is now widely recognized that a more strategic approach is needed in order to absorb higher level energy in a controlled manner and minimize passenger injuries effectively. The first design step in this strategic approach is the design of the front end structure(so called HE extremities) to absorb a large part of total impact energy and then the structure of passengers non-accommodation zones(so called LE extremities) is designed to absorb the rest of impact energy. In this paper, the passengers entrance door area is selected as the LE(low energy) extremities and the design of the LEE was carried out. The main part of LEE design procedures is the design of energy absorbing tubes. For this purpose, the several tube candidates are introduced and compared to each others with numerical crash simulation.

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접이식 고속열차 승강문 스텝의 안전성 확인을 위한 해석적 연구 (Analytical Study to Check Safety of Folding-type Staircase in High Speed Rolling Stock)

  • 이원대;박상규;이경규;이정훈
    • 한국철도학회논문집
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    • 제17권2호
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    • pp.87-93
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    • 2014
  • 국내에서 운행중인 프랑스 알스톰에서 도입된 고속철도차량인 KTX의 승강문 접이식 발판이 유럽 표준 규격인 EN14752를 따르고 있으나 접이식 스텝 동작 시 발판 형성 폭이 200mm가 되어 국내 20세에서 60세의 발평균 사이즈인 253mm에 미치지 못하고 있다. 신체구조 상 신체 하중은 발 뒤축에 대부분 걸리므로 현재의 발판은 승하차 시 전도나 미끄러짐이 발생 할 수 있는 위험이 존재하고 있으며, 실제 발생을 하고 있다. 이에 기존 차량 조건 내에서 발판의 폭을 확대하여 스텝 개념설계(안)의 구조해석을 수행하고 이의 안전성을 검토하였다.