한국통신학회논문지 (The Journal of Korean Institute of Communications and Information Sciences)

  • 제39B권8호
  • /
  • Pages.544-554
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  • 2014
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  • 1226-4717(pISSN)
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  • 2287-3880(eISSN)
한국통신학회 (The Korean Institute of Commucations and Information Sciences)
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사이버-물리 교차로 시스템에서 참조이동모형 기반 녹색신호 최적화 가속도 조언의 설계 및 구현

Design and Implementation of Green Light Optimal Speed Advisory Based on Reference Mobility Models (GLOSA-RMM) in Cyber-Physical Intersection Systems (CPIS)

  • 투고 : 2014.04.17
  • 심사 : 2014.08.08
  • 발행 : 2014.08.31
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초록

본 논문에서는 교차로 주변의 고정된 위치에 있는 노변기지국과 WAVE/DSRC 기반 자동차통신단말, 그리고 스마트폰 앱을 긴밀하게 상호 연동하는 사이버-물리 교차로 시스템(CPIS)을 소개한다. CPIS 구조를 기반으로 교차로 정지시간과 연료소모를 줄이기 위한 참조이동모형 기반 녹색신호 최적화 속도조언(GLOSA-RMM)을 제안한다. GLOSA-RMM은 자동차의 다양한 참조이동모형들을 기반으로 자동차의 현재 위치/속도 정보와 교차로 교통신호 정보를 고려하여 적절한 속도조언을 결정하고, 이를 화면과 음성으로 동시에 제공하여 운전자의 부주의를 최소화한다. 임베디드 시스템 기반의 노변기지국과 자동차통신단말, 그리고 안드로이드 앱(App)의 개발을 통해 CPIS 시작품을 구축하고, 실차 환경에서 실험을 수행하여 GLOSA-RMM 알고리듬이 교차로 정지시간과 연료 소모를 줄일 수 있음을 보인다.

In this paper, we introduce a cyber-physical intersection systems (CPIS) which intimately interconnects roadside units (RSU) located at intersection, on-board units (OBU) of moving vehicles, and smartphone apps. Based on the architecture of CPIS, we also present a green light optimal speed advisory based on the reference mobility models (GLOSA-RMM) to reduce intersection stopping time (IST) and fuel consumption. Based on several reference mobility models, the GLOSA-RMM determines the appropriate speed advisory by taking into account the current mobility and the intersection traffic light status, and then provides screen/voice GLOSA instructions to minimize the driver's distraction. We show that the GLOSA-RMM can reduce both the IST and the fuel consumption through the numerical results obtained from the prototype of the CPIS consisting of the OBU, the RSU and the smartphone app.

키워드

참고문헌

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