문화기술의 융합 (The Journal of the Convergence on Culture Technology)

  • 제7권4호
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  • Pages.641-652
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  • 2021
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  • 2384-0358(pISSN)
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  • 2384-0366(eISSN)
국제문화기술진흥원 (The International Promotion Agency of Culture Technology)
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자율주행 차량의 안전한 상태 알림이 제어권 전환 시 상황 인식과 운전 수행에 미치는 영향

The Effect of Autonomous Driving Vehicle Positive Notification on Situation Awareness and Take-over Performance

  • 투고 : 2021.08.17
  • 심사 : 2021.09.10
  • 발행 : 2021.11.30
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초록

자율 주행 중에 많은 운전자는 안전하다고 판단되는 상황에서 운전 외 다른 활동을 수행할 것으로 예상한다. 본 연구는 반 자율주행 차량의 안전한 상황에 대한 알림의 제어권 전환 시 상황 인식 수준과 운전 수행에 미치는 영향과 주관적 평가를 살펴보았다. 실험 1에서 통제조건(경고음), 주의 알림, 안전 알림, 모든 알림 조건에 대하여 자율 주행 차량의 영상을 보고 상황 인식 수준과 주관적 평가를 진행하였다. 그 결과 안전한 상황 알림 조건에서 상황 인식 수준이 가장 높았으며 만족도와 즐거움 척도에서 높은 평가를 받았고, 불신과 불쾌함에서는 낮은 평가를 보였다. 실험 2에서는 자율주행 차량 시뮬레이터를 이용하여 실제 운전 수행, 상황 인식 수준과 주관적 평가를 진행하였다. 그 결과 운전 수행에서 안전한 알림 조건에서 가장 높은 수행을 보였으며, 더 위험이 낮다고 주관적으로 평가하였다. 본 연구는 반자율주행 차량에서 안전한 상황에 대한 알림이 운전자의 만족도와 운전 수행을 개선할 수 있음을 보여줘 불쾌한 경험을 줄이면서 안전한 자율 주행 시스템을 디자인하는 데 도움이 될 수 있을 것으로 보인다.

Drivers have willing to do secondary tasks in situations deemed safe autonomous driving. I studied that positive notifications for secure areas could improve situation awareness and driving performance after TOR(Take over request) in autonomous driving. Comparing TOR alert only and monitoring alert conditions, participants in the positive notification condition showed higher situation awareness and driving performance. Also, in emotional assessment, the positive notification condition showed higher positive evaluation than other conditions. Due to Covid-19, I designed experiments separate online with driving videos in experiment 1 and offline using a driving simulator in experiment 2. This study has implications that presented a different perspective on autonomous driving notification design.

키워드

과제정보

이 논문은 2019년 대한민국 교육부와 한국연구재단의 지원을 받아 수행된 연구임(NRF-2019S1A5C2A03083499)

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