The Journal of The Korea Institute of Intelligent Transport Systems (한국ITS학회 논문지)

The Korea Institute of Intelligent Transport Systems (한국ITS학회)
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Development of Optimized Driving Model for decreasing Fuel Consumption in the Longitudinal Highway Section

고속도로 종단지형을 고려한 연료 효율적 최적주행전략 모형 개발

  • 최지은 (부경대학교 공간정보시스템공학과) ;
  • 배상훈 (부경대학교 공간정보시스템공학과)
  • Received : 2015.08.18
  • Accepted : 2015.11.23
  • Published : 2015.12.31
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Abstract

The Korea ministry of land, infrastructure and transport set the goal of cutting greenhouse gas emissions from the transport sector by 34.3% relative to the business as usual scenario by 2020. In order to achieve this goal, support is being given to education and information regarding eco-driving. As a practical measure, however, a vehicle control strategy for decreasing fuel consumptions and emissions is necessary. Therefore, this paper presents an optimized driving model in order to decrease fuel consumption. Scenarios were established by driving mode. The speed profile for each scenario applied to Comprehensive Modal Emission Model and then each fuel consumption was estimated. Scenarios and speed variation with the least fuel consumption were derived by comparing the fuel consumptions of scenarios. The optimized driving model was developed by the derived the results. The speed profiles of general driver were collected by field test. The speed profile of the developed model and the speed profile of general driver were compared and then fuel consumptions for each speed profile were analyzed. The fuel consumptions for optimized driving were decreased by an average of 11.8%.

국토교통부는 2020년까지 수송부문 온실가스 배출량의 감축목표를 34.3%로 설정하였다. 목표달성을 위해 에코드라이빙 교육 및 정보를 제공하고 있으나 배출량 감축효과가 미비하다. 따라서 본 연구는 연료 효율적인 최적주행전략 모형의 개발을 목적으로 하였다. 종단경사도 및 길이가 다양한 도로지형을 생성하고 주행모드를 바탕으로 하는 시나리오별 속도 프로파일을 Comprehensive Modal Emission Model에 적용하여 연료소모량을 산정하였다. 연료소모량이 최소가 되는 시나리오와 속도변화량을 도출하였다. 도출된 시나리오와 속도변화량을 기반으로 최적주행전략 모형을 개발하였다. 개발된 모형을 검증하고자 실차테스트를 수행하여 일반 운전자의 속도 데이터를 수집하였다. 개발된 모형에 의해 생성된 속도 프로파일과 일반운전에 생성된 속도 프로파일을 분석하고 각각 연료소모량을 산정하였다. 최적주행 시 소모된 연료소모량이 일반운전보다 평균 11.8% 감축하는 것으로 분석되었다.

Keywords

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