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2021 Vol.39, Issue 5 Preview Page

Article

Development and Evaluation of Centralized Autonomous Vehicle Mobility Service Using ADAS Data

ADAS 데이터를 이용한 중앙집중식 자율주행자동차 모빌리티 서비스의 개발과 평가에 관한 연구

Daehan JEONG1
,
Minjeong KIM2
,
Hoe Kyoung KIM3*
,
Younshik CHUNG4
정 대한1
,
김 민정2
,
김 회경3*
,
정 연식4
1Master Course, Department of Urban Planning and Engineering, Dong-A University, Busan 49315, Korea
2Ph.D. Candidate, Department of Urban Planning and Engineering, Dong-A University, Busan 49315, Korea
3Associate Professor, Department of Urban Planning and Engineering, Dong-A University, Busan 49315, Korea
4Associate Professor, Department of Urban Planning and Engineering, Yeungnam University, Gyeongsan 38541, Korea
1동아대학교 도시계획 ‧ 조경학과 석사과정
2동아대학교 도시계획 ‧ 조경학과 박사과정
3동아대학교 도시계획공학과 부교수
4영남대학교 도시공학과 부교수
*Corresponding Author
31 October 2021. pp. 631-642
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Abstract

The ultimate mobility mode in the smart city would be an autonomous vehicle (AV). However, research efforts on mobility services that collect dynamic traffic data with AVs and provide the optimal routes to them is insufficient. This study developed a centralized AV mobility service that not only collects dynamic traffic data such as link travel time through the spatiotemporal information of ADAS equipped in AVs but also transmits it to the traffic management center in V2I communication fashion. This study evaluated the centralized AV mobility service in a 7×7 urban grid network with non-accident and accident scenarios using VISSIM. This study found that the re-route of the AVs reduced more travel time in the accident scenario than the non-accident one and the degree was greater as the traffic volume and the ratio of the AV in the network increased. Besides, the efficiency of the AV mobility service was found to be affected by how fast the accident situation is figured out. Consequently, it was possible to collect dynamic traffic data as well as to implement the AV mobility service using the basic equipment necessary for the operation of an AV such as ADAS.

Keywords
advanced driver assistance system
autonomous vehicle
cooperative intelligent transport system
dynamic route guidance system
vehicle-to-infrastructure communication

4차 산업혁명 시대 스마트 시티에서 구현될 수 있는 궁극의 모빌리티 수단은 자율주행자동차(AV)라고 할 수 있다. 하지만 자율주행자동차를 이용하여 동적 교통상황 정보를 수집하고 이를 기반으로 최적의 경로를 제공하는 모빌리티 서비스에 관한 연구는 부족한 편이다. 본 연구는 자율주행자동차에 기본적으로 탑재되는 ADAS 장비의 시공간 정보를 통해 동적 교통정보를 수집하고 C-ITS 환경(V2I)에서 교통관제센터로 전송하는 중앙집중식 자율주행자동차 모빌리티 서비스를 개발하였다. VISSIM을 통해 7×7 격자형 도로망에서 비사고와 사고 모형으로 이 서비스를 평가하였다. 분석 결과, 자율주행자동차의 경로변경을 통해 비사고 모형보다 사고 모형에서 더 큰 통행시간을 단축시켰으며 그 정도는 교통량과 자율주행자동차의 점유율이 커질수록 더 크게 나타났다. 또한, 자율주행자동차 모빌리티 서비스의 효율은 교통사고 상황 파악의 신속성에 영향을 받는 것으로 나타났다. ADAS와 같이 자율주행자동차의 운행에 필요한 기본적인 장비만으로도 동적 교통상황 정보의 수집뿐만 아니라 이를 이용한 자율주행자동차 모빌리티 서비스의 구현이 가능할 것으로 기대된다.

키워드
첨단 운전자 보조 시스템
자율주행자동차
협력 지능형교통시스템
동적 경로안내시스템
차량과 인프라 간 통신
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Information
  • Publisher :Korean Society of Transportation
  • Publisher(Ko) :대한교통학회
  • Journal Title :Journal of Korean Society of Transportation
  • Journal Title(Ko) :대한교통학회지
  • Volume : 39
  • No :5
  • Pages :631-642
  • Received Date : 2021-05-18
  • Revised Date : 2021-05-28
  • Accepted Date : 2021-06-09
  • DOI :https://doi.org/10.7470/jkst.2021.39.5.631
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