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자율주행차 혼재 시 시범운행지구 교통운영전략 수립: 판교제로시티를 중심으로
임동혁,김우석,김종호,김형주 한국ITS학회 2023 한국ITS학회논문지 Vol.22 No.1
This study was undertaken to strategize the mixed traffic operation of autonomous vehicles in the pilot zone. This was achieved by analyzing the changes expected when autonomous vehicles are mixed in the autonomous vehicle pilot zone. Although finding a safe and efficient traffic operation strategy is required for the pilot zone to serve as a test bed for autonomous vehicles, there is no available operation strategy based on the mixture of autonomous vehicles. In order to presents a traffic operation strategies for each period of autonomous vehicle introduction, traffic efficiency and safety analysis was performed according to the autonomous vehicle market percentage rate. Based on the analysis results, the introduction stage was divided into introductory stage, transition period, and stable period based on the autonomous vehicle market share of 30% and 70%. This study presents the following traffic operation strategies. Considering the traffic flow operation strategy, we suggest the advancement of the existing road infrastructure at the introductory stage, and operating an autonomous driving lane and the mileage system during the transition period. We also propose expanding the operation of autonomous driving lanes and easing the speed limit during the stable period. In the traffic safety strategy, we present a manual and legal system for responding to autonomous vehicle accidents in the introductory stage, an analysis of the causes of autonomous vehicle accidents and the implementation of preventive policies in the transition period, and the advancement of the autonomous system and the reinforcement of the security system during the stable period. Through the traffic operation strategy presented in this study, we foresee the possibility of preemptively responding to the changes of traffic flow and traffic safety expected due to the mixture of autonomous vehicles in the autonomous vehicle pilot zone in the future. 본 연구는 국내 자율주행차 시범운행지구 지정 및 운영에 따라 자율주행차 혼재 시 예상되는 교통 변화를 분석하여, 시범운행지구의 자율주행차 혼재 교통운영전략 수립을 목적으로 한다. 시범운행지구가 자율주행차의 안정적 상용화를 위한 테스트 베드로서의 역할을 해내기 위해서는 안전하고 효율적인 교통운영전략 수립이 요구됨에도 현재까지는 자율주행차 혼재에따른 교통운영전략은 부재하다. 이에 본 연구에서는 자율주행차 혼재 시 자율주행차 시범운행지구의 교통운영전략을 수립하고자 한다. 자율주행차 도입 단계별 교통운영전략 수립을 위해자율주행차 혼입률에 따른 교통 효율성 및 안전성 분석을 수행하였으며, 분석 결과를 토대로자율주행차 혼입률 30%, 70%를 기준으로 도입기, 과도기, 안정기로 구분하였다. 본 연구에서자율주행차 도입 단계별로 제시한 교통류와 교통안전 관점의 교통운영전략은 다음과 같다. 교통류 운영전략은 자율주행차 도입기에는 기존 도로 인프라 첨단화, 과도기에는 자율주행차 전용차로 및 일반차 마일리지 제도 운영, 안정기에는 자율주행차 전용차로 확대 운영 및 제한속도 완화를 제시하였다. 교통안전 전략은 도입기에는 자율주행차 사고 발생 대응 매뉴얼 및 법제도 마련, 과도기에는 자율주행차 사고 원인 분석 및 예방정책 시행, 안정기에는 자율주행차시스템 고도화 및 보안정책 강화를 제시하였다. 본 연구에서 제시한 교통운영전략을 통해 향후 자율주행차 시범운행지구 내 자율주행차 혼재로 인해 예상되는 교통류 및 교통안전 관에서선제적으로 대응할 수 있을 것으로 기대된다.
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박상완 ( Park Sang-wan ) 한국초등교육학회 2024 초등교육연구 Vol.37 No.1
This study aims to critically analyze discussions surrounding the introduction of specialized graduate schools of education, with a focus on the background of the current government's announcement. The purpose is to examine the content and limitations of these discussions. To achieve this, literature analysis was utilized as the main research method. The analysis yielded several key findings. Firstly, specialized graduate schools of education were initially proposed as a reform measure for teacher training systems during the Kim Young-sam administration. Although discussions on their introduction took place through presidential advisory bodies, there has been no concrete formulation of the operational model at the governmental level. Secondly, the goals included supporting innovation in teaching, adjusting teacher supply, rationalizing training scale, expanding career opportunities, and providing flexibility in qualifications and career paths. However, the proposed operational model did not adequately reflect these objectives. Thirdly, the proposed model was based on the 4+2 model, with various detailed approaches presented. Nevertheless, there was an emphasis on maintaining the status quo of undergraduate programs. Fourthly, regarding the implementation strategy, issues such as gradual implementation through full-scale/pilot operation, integration/separation of elementary and secondary teacher training, and the debate between stand-alone and comprehensive university-based teacher training were identified. However, in-depth consideration of these issues was generally lacking. Based on the analysis results, recommendations are presented.
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