Science of Emotion and Sensibility (감성과학)

Korean Society for Emotion and Sensibility (한국감성과학회)
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Effects of Before-After Obstacle Avoidance and Driver Age on Situation Awareness and Vehicle Control in Automated Driving

자율주행 상황에서 운전자의 장애물 회피 전후와 운전자 연령대에 따른 상황인식과 차량통제 차이

  • Jaesik Lee
  • 이재식 (부산대학교 심리학과)
  • Received : 2024.07.16
  • Accepted : 2024.09.02
  • Published : 2024.09.30
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Abstract

Using level-3 automated driving simulation, this study examined the effects of before-after the obstacle avoidance(BOA and AOA, respectively) and driver age group on situation awareness, control transition time, and vehicle control performances.The results can be summarized as follows. First, the situation awareness of the participants was lower in the BOA section compared to the AOA section, and in the older driver group compared to the young driver group, and this tendency was more evident in the BOA section. Second, the control takeover time was significantly slower in the older driver group than in the younger driver group. Third, in all four vehicle control measures, worse performance was observed in the AOA section than in the BOA section, and in the older driver group than in the young driver group, but the difference between age groups in vehicle control performance was larger in the AOA section than in the BOA section. These results suggest that in a situation where the driver takes over control during autonomous driving and avoids obstacles by driving manually, the driver's situational awareness and vehicle control may vary depending on before and after the obstacle avoidance.

운전 시뮬레이션을 통해 3-수준 자율주행 중 차량 전방에 장애물이 출현하는 상황에서 서로 다른 연령대의 운전자들이 보이는 제어권 전환 반응시간과 상황인식, 그리고 차량통제 수행에서의 차이를 장애물 회피 이전(before the obstacle avoidance: BOA)과 이후(after the obstacle avoidance: AOA) 구간으로 구분하여 분석하였다. 본 연구의 결과를 요약하면 다음과 같다. 첫째, 실험참가자들의 상황인식은 AOA 구간에 비해 BOA 구간에서, 그리고 청년운전자 집단에 비해 고령운전자 집단에서 더 낮았는데, 이러한 경향은 AOA 구간에 비해 BOA 구간에서 더 뚜렷하였다. 둘째, 제어권 인수 시간은 청년운전자 집단에 비해 고령운전자 집단에서 유의하게 더 느렸다. 셋째, 네 가지 차량통제 측정치 모두에서 BOA 구간보다는 AOA 구간에서, 그리고 청년운전자 집단보다는 고령운전자 집단에서 더 저하된 수행이 관찰되었으나 차량통제 수행에서의 연령집단간 차이는 BOA 구간보다는 AOA 구간에서 더 컸다. 이러한 결과는 자율주행 중 제어권을 인수받아 수동으로 운전하여 장애물을 회피하는 상황에서 운전자의 상황인식과 차량통제는 BOA 구간과 AOA 구간에 따라 달라질 수 있음을 시사한다.

Keywords

Acknowledgement

이 논문은 부산대학교 기본연구지원사업(2년)에 의하여 연구되었음.

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