Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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A Study on Evaluating System Performance for Light-Weight Rolling Stock

철도차량 경량화를 위한 효과도 평가 기법에 관한 연구

  • 김희욱 (한국철도기술연구원 시스템안전연구실) ;
  • 김종운 (한국철도기술연구원 시스템안전연구실) ;
  • 정현승 (한국철도기술연구원 신교통연구실) ;
  • 박광복 ((주) 이산)
  • Received : 2011.09.08
  • Accepted : 2011.11.04
  • Published : 2011.12.26
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Abstract

In this paper, a method is proposed to evaluate a number of alternatives for light-weight rolling stock recommended from experts in rolling stock and to decide an optimal alternative. At first, many customer needs from various fields in railroad are drawn and weights of customer needs are decided by AHP. Secondly, technical requirements that should be real specifications for light-weight rolling stock are set and weights of technical requirements are decided by QFD. Finally, we evaluate some proposed alternatives and conclude an optimal alternative of light-weight rolling stock with TOPSIS.

본 논문에서는 철도차량 전문가 집단으로부터 주어진 다수의 철도차량 경량화 설계대안의 효과도를 평가하고 최적 대안을 제시하는 기법을 제안한다. 먼저 철도차량 경량화에 대한 다양한 분야에서 고객의 요구사항을 파악하고 AHP를 이용하여 가중치를 산출한다. 그리고 차량 제작을 위한 실질적인 설계사양인 기술적 특성을 도출하고 QFD를 이용하여 각 특성에 대한 가중치를 산정한다. 마지막으로 제시된 다양한 경량화 철도차량의 대안은 TOPSIS를 이용하여 평가하고 최적의 대안을 결정한다.

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