Journal of Korean Society of Transportation (대한교통학회지)

Korean Society of Transportation (대한교통학회)
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A Study on development of Road Design Driver Characteristics based on Physio-Physiological Performance

심리생리적 운전부하를 고려한 도로설계운전자 특성기준 정립연구

  • Received : 2011.04.29
  • Accepted : 2011.08.08
  • Published : 2011.10.31
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Abstract

This paper analyzes the characteristics of drivers' workload observed from with 30 participant drivers with respect to two physio-physiological parameters. For investigating physio-physiological characteristics of road drivers, bio-signals from brain's occipital lobe between simulation experiment and real driving experiment are collected and analyzed. The major findings from the analysis are summarized as follows: First, the drivers' physio-physiological workload is a good parameter for explaining the workload characteristics of road drivers. Secondly, the two physio-physiological workload parameters selected, i.e., beta value and relative energy parameter, are revealed to be statistically significant. Thirdly, it is also revealed to be statistically significant to select 90 percentile measurements in simulator experiment to explain the road drivers' characteristics. Finally, the maximum workload of road design driver is 31.72 in beta parameter, whereas the minimum workload is 1.296 in relative energy parameter.

본 연구에서는 30명의 피실험자를 대상으로 운전자의 운전부하 특성을 분석하였다. 설계운전자의 심리생리적 특성을 파악하고자 뇌의 후두엽부위 뇌파신호를 이용하여 시뮬레이션 실험과 현장주행 실험을 수행하였다. 본 연구를 통해 다음과 같은 결론을 도출하였다. 첫째, 운전자의 생체신호(뇌파)를 이용하여 설계운전자의 특성을 표현할 수 있었다. 둘째, 설계운전자의 운전부하 설명변수로는 베타파 값과 상대에너지 계수 값이 통계적으로 유의하였다. 셋째, 시뮬레이터 주행실험치의 90퍼센타 일 범위값이 설계운전자의 특성으로 적정한 것으로 분석되었다. 넷째, 실제 도로주행상황에서, 설계운전자의 최대 각성값은 베타파의 경우 31.72이며, 상대에너지계수 지표의 경우 1.296으로 분석되었다.

Keywords

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