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

The Korean Institute of Commucations and Information Sciences (한국통신학회)
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A VR-Based Integrated Simulation for the Remote Operation Technology Development of Unmanned-Vehicles in PRT System

자동 운전 PRT 차량의 무선 관제 기술 개발을 위한 가상 환경 기반 통합 시뮬레이터 개발

  • 박평선 (한양대학교 전자컴퓨터통신공학과) ;
  • 김현명 (한양대학교 전자컴퓨터통신공학과, 유비쿼터스 통신 및 네트워킹 연구실) ;
  • 옥민환 (한국철도기술연구원, 신교통연구본부/수요응답형교통연구단, 교통 신기술 연구실) ;
  • 정재일 (한양대학교 컴퓨터공학과)
  • Received : 2012.11.16
  • Accepted : 2013.01.18
  • Published : 2013.01.31
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Abstract

Personal Rapid Transit(PRT), which is one of the next generation convergence transport technology, PRT system requires operation technology for controlling diverse vehicles and dealing with a variety of abnormal driving situations on a large scale trackway structures in expected operational area more efficiently and reliably. Before developing PRT control technology, it is essential that multiple testing procedures stepwise with building small scale test-tracks and develop real unmanned-vehicles. However, it is expected that the experiments demand huge amount of time and physical cost. Thus, simulation in virtual environment is efficient to develop wireless based control technology for multiple PRT vehicles prior to building real-test environment. In this paper, we propose a VR-based integrated simulator which physics engine is applied so that it enables simulation of front-wheel-steering PRT system rather than simple rail track system. The proposed simulator is also developed that it can reflect geographical features, infrastructures and network topology of expected driving region.

차세대 융합 교통 기술 분야중 하나인 Personal Rapid Transit 시스템 기술은 새로운 도심형 대중교통 기술로서 주목받고 있다. PRT 시스템은 센서 및 자율 주행 기술을 융합한 무인 운행 차량과 통신설비, 구간 검지 등 인프라 및 관련 요소 기술이 개발되어도 운행 예상 지역의 대규모 주행 트랙 구조에서 다수의 차량들의 다양한 주행 및 이상 패턴들에 대한 효율적이고 신뢰할 만한 관제 기술 개발이 요구된다. 또한 이러한 관제 기술 개발에 앞서 실제 PRT 차량 개발 및 소규모 테스트 트랙 구축을 통한 수많은 실차 주행과 같은 단계적 실험에 따른 막대한 시간 및 물리적 비용이 소요가 예상된다. 따라서 실제 구축 전 단계에서 다수의 PRT 차량에 대한 무선 기반 운행 관제 기술 개발을 위해서는 가상 환경에서의 시뮬레이션이 효과적이다. 본 논문에서는 물리엔진을 적용하여 단순 궤도 차량이 아닌 전륜 조향 시스템을 탑재한 PRT 차량 모델을 대상으로 대규모의 운행 예상 지역의 지형, 궤도, 인프라 및 네트워크 특성과 구조를 반영한 시뮬레이션이 가능하도록 설계한 통합 시뮬레이터 기술을 제시한다.

Keywords

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