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A Study on Optimal Horizontal Alignment Design for PRT Vehicle

PRT 주행선로 최적평면선형 설계에 관한 연구

  • Um, Ju-Hwan (New Transportation Systems Research Center, Korea Railroad Research Institute) ;
  • Kim, Baek-Hyun (New Transportation Systems Research Center, Korea Railroad Research Institute) ;
  • Jeong, Rag-Gyo (New Transportation Systems Research Center, Korea Railroad Research Institute) ;
  • Kang, Seok-Won (New Transportation Systems Research Center, Korea Railroad Research Institute) ;
  • Byun, Yeun-Sub (New Transportation Systems Research Center, Korea Railroad Research Institute)
  • 엄주환 (한국철도기술연구원 신교통연구본부) ;
  • 김백현 (한국철도기술연구원 신교통연구본부) ;
  • 정락교 (한국철도기술연구원 신교통연구본부) ;
  • 변윤섭 (한국철도기술연구원 신교통연구본부) ;
  • 강석원 (한국철도기술연구원 신교통연구본부)
  • Received : 2014.07.29
  • Accepted : 2014.10.20
  • Published : 2014.10.28

Abstract

Personal rapid transit(PRT) systems have been highlighted in future transportation developments as a result of their potential as sustainable and eco-friendly transport solutions that provide demand-responsive mobility services. One of the most important characteristics of the personal rapid transit system(PRT) is that it can be constructed and operated at a low cost. A fundamental study on the alignment of the PRT guideway considering running stability was conducted in the present study. In addition, a parameter analysis of the major alignment design variables such as curve radius, transition curve length and cant was performed by vehicle dynamic analysis and optimum guideway alignments were proposed. The analysis results suggested that the theoretical values were satisfied and also confirmed the possibility of reducing the standard.

PRT(Personal Rapid Transit) 시스템은 자동차를 대체할 수 있는 지속 가능한 친환경 미래교통 수단으로 최근 국내외적으로 활발한 연구가 진행 중이다. 이러한 PRT 시스템의 중요한 특징 중 하나는 저비용으로 건설 운영될 수 있다는 것이다. 본 연구에서는 PRT 주행선로에 대해 차량의 주행안정성을 고려한 최적 평면 선형에 대한 기초 연구를 수행하였다. 설계 최고속도로 주행 시 곡선반경, 완화곡선 길이, 캔트(편경사)와 같은 주요 매개변수들에 대해 차량동역학 해석을 수행하였으며 최적선형 설계(안)을 제시하였다. 해석결과, 이론값을 만족함을 알 수 있었으며 기준 완화의 가능성도 확인할 수 있었다.

Keywords

References

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