Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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Evaluation of Fuel Consumption Models for Eco-friendly Traffic Operations Strategies

친환경 교통운영전략을 위한 차량 연료소모량 예측모형 평가

  • Received : 2015.12.17
  • Accepted : 2016.04.29
  • Published : 2016.06.30
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Abstract

As the necessity of the evaluation of environmentally-friendly traffic operations strategies becomes obvious, the characteristics of fuel consumption models should be comprehended in advance. This study selected three fuel consumption models developed in Korea and another three models widely used in North America, and compared their applicabilities. Specifically, the national institute of environmental research (NIER) drive modes and the VISSIM software were utilized to model various driving patterns, and their fuel consumptions were estimated using the fuel consumption models. Based on the results, all the models showed the similar results in the analysis of the most fuel efficient cruising speed. On the other hand, caution should be taken when using the KR-1 and KR-2 models in microscopic analyses because they are not sensitive to instantaneous power requirements of vehicles.

교통운영전략의 친환경성 평가의 필요성이 대두되고 있는 가운데, 정확한 평가를 위해서는 분석에 사용되는 차량연료소모 예측모형에 대한 이해가 선행되어야 한다. 이를 위해 본 연구에서는 국내에서 사용되고 있는 3개 모형과 외국에서 사용되고 있는 모형들 중 광범위하게 사용되는 동시에 비교적 취득이 용이한 3개 모형을 선정하여 모형의 특성을 응용측면에서 비교하였다. 구체적으로, 국립환경연구원의 차량주행기록인 NIER 차속모드와 미시교통류시뮬레이션 소프트웨어인 VISSIM을 이용하여 차량의 운행패턴을 모델링하였으며, 이를 차량연료소모 예측모형에 입력하여 연료소모량을 예측하였다. 본 연구를 통해 정속주행의 경우 국내외의 모든 모형이 유사한 결과를 보이는 것으로 분석되었으나, NIER 차속모드와 VISSIM 모형을 이용한 분석결과 국내모형 중 KR-1, KR-2 모형은 순간적인 차량의 비출력에 민감하지 못하여 미시적인 분석을 요하는 경우에는 사용에 주의를 기울여야 하는 것으로 분석되었다.

Keywords

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