Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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Design of Railway Vehicle Wheel Profile Suitable for Dual-rail Profile

듀얼 레일 형상에 적합한 철도차량의 차륜 형상 설계

  • Byon, Sung-Kwang (Department of Mechanical Engineering, Dongyang Mirae University) ;
  • Lee, Dong-Hyeong (Fatigue and Fracture Research Team, Korea Railroad Research Institute) ;
  • Choi, Ha-Young (Department of Mechanical Engineering, Dongyang Mirae University)
  • 변성광 (동양미래대학교 기계공학부) ;
  • 이동형 (한국철도기술연구원) ;
  • 최하영 (동양미래대학교 기계공학부)
  • Received : 2016.12.15
  • Accepted : 2017.02.24
  • Published : 2017.06.30
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Abstract

When a wheel profile of a train-tram is designed, both train and tram tracks should be considered. This study designed a wheel profile that enables high-speed driving(200km/h) on the train track and low speed driving on the tram track with multiple sharp curves. The study used the approximation optimization method to reduce cost and time, used the sequential quadratic programming method as the optimized algorithm, and the central composite design and response surface method as an approximate model. The optimized wheel shape based on this approximation optimization method reduced wear of the initial wheel showed a better performance in terms of derailment and lateral force.

Keywords

References

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