| Project/Area Number |
18K04638
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 25020:Safety engineering-related
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| Research Institution | Nihon University |
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Principal Investigator |
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| Project Period (FY) |
2018-04-01 – 2022-03-31
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| Project Status |
Completed (Fiscal Year 2021)
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| Budget Amount *help |
¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2020: ¥260,000 (Direct Cost: ¥200,000、Indirect Cost: ¥60,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
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| Keywords | 覚醒水準 / 自動運転 / パーソナリティ / 反応時間 / 脳波 / Complacency / 事象関連電位 / 向性 / ドライビング・シミュレータ |
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| Outline of Final Research Achievements |
The goal of this study is to clarify a relationship between driver's "Locus of Control (LoC)" and visual cognition in peripheral field of view under semi-automated driving. First, effect of the LoC on EEG was investigated by an experiment with simulated automated driving. The result indicated that attentional resource reflected in P300 amplitude and reaction time had some relationship with LoC. Second, effect of the LoC on visual behavior was investigated by a driving simulator experiment with visual stimuli presentation. The result indicated that subjective score of "Complacency" and reaction times had some relationship with LoC. Time for eye movement was larger in external control group than internal control group, however, it was not statistically significant due to large individual difference in external control group. Therefore, it was suggested that other factors such as self-control ability was involved in the relationship between the personality and the attitude for monitoring.
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| Academic Significance and Societal Importance of the Research Achievements |
自動運転が完全自動化されるまでの準自動運転の間、運転者の役割は「車両制御者」から「車両状態や周囲の監視者」に変わる。監視作業では覚醒水準の低下が生じやすく、準自動運転でも危惧され、また覚醒水準の低下には状況差・個人差がある。本研究では、準自動運転の安全性の向上のために、精神的負荷や性格の影響が覚醒水準や信号検知能力の低下の時間的特徴にどのように現れるか一端を明らかにした。
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