자율협력주행 도로시스템의 종합성능평가 방법론 개발
Development of Comprehensive Performance Evaluation Methodology for Cooperative-Automated Driving Roadway System
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초록
국토교통부는 ‘레벨 3 자율주행차 2020년 상용화’를 목표로 설정하였으며, 최근 차량과 인프라 간 통신을 통해 하류부의 도로 및 교통상황 정보를 차량에 전송하여 안전운전을 지원하는 자율협력주행 도로시스템이 개발 중에 있다. 자율협력주행의 안전성을 확보하기 위해 단위시스템 간 메시지 송수신, 제어 활용 등 종합적인 성능평가가 필요하다. 따라서 본 연구는 자율협력주행 도로시스템을 구성하는 단위시스템 간 연계 및 운용 파악을 위한 종합성능평가 방법론 개발을 목적으로 한다. 평가항목은 서비스 성공률로 설정하였으며, 서비스 성공여부는 I2V 메시지 수신 및 제어 활용 여부로 판단하였다. 종합성능평가를 수행하기 위해 관심지, 기상, 돌발상황, 도로 작업구간, LCS 정보기반 협력형 제어서비스를 선정하였으며, 서비스별 시나리오를 개발하였다. 개발한 방법론의 타당성을 입증하고자 여주시험도로에서 시나리오 기반으로 종합성능평가를 수행하여 시험 로그를 수집하였다. 시험 로그 분석결과, 250개 데이터 중 243개 데이터가 I2V 메시지 수신 및 제어 활용에 성공하여 서비스 성공률은 97.2%로 도출되었다. 이러한 종합성능평가를 통해 자율협력주행 서비스의 신뢰성을 확보하고 안전성을 향상시킬 수 있는 방안을 마련할 수 있을 것으로 판단된다.
Abstract
The Korea ministry of land, infrastructure and transport aims to commercialize automated vehicles (level 3) by 2020. Cooperative-automated driving roadway system was developed in order to assist safety driving of automated vehicle via vehicle to infrastructure (V2I) communication. To ensure the safety of the automated vehicle, comprehensive performance evaluation is necessary. The goal of this study is to develop comprehensive performance evaluation methodology of cooperative-automated roadway system. The evaluation indicator is service success rate for reception and control of I2V message. The scenarios of cooperative- automated driving services based on point of interest (POI), weather, incident, road work zone, and lane control system were established. The transmission and control logs of I2V message were acquired by cooperative-automated driving based on the scenarios. In the results of log analysis, 243 data out of 250 data were successfully received and controlled via I2V communication. Thus, the service success rate was 97.2%. The results of comprehensive performance evaluation will come up with the solution in order to ensure the reliability of cooperative-automated driving and enhance the safety of automated vehicle.
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