著者

安部 原也 伊藤 誠 山村 智弘

出版者

The Society of Instrument and Control Engineers

雑誌

計測自動制御学会論文集 (ISSN:04534654)

巻号頁・発行日

vol.48, no.11, pp.688-697, 2012 (Released:2012-11-29)

参考文献数

10

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In order to clarify the effect of different time headways and lead car's decelerations on visual distraction and its impact on collision risk during car-following a driving simulator study was conducted. Moreover the experimental investigation considered system effectiveness of a forward collision warning system as for decreased collision risk. Results showed that compared to short time headway, long time headway induced long duration time of visual distraction during car-following. This effect was significant when a lead car decreased its speed mildly. Collision risk due to lead car's deceleration was low for long time headway during car-following compared to short time headway even thought visual distraction was induced. However there was a possibility that long time headway led to long duration time of visual distraction resulting in increased collision risk. In case of the alarm trigger logic used in this study, alarms effectiveness for decreasing collision risk was proven because early alarms were given for short time headway. It can be said that longer headway time does not always guarantee decreased collision risk.

著者

面田 雄一 岩城 亮 安部 原也 小川 伯文

出版者

公益社団法人 自動車技術会

雑誌

自動車技術会論文集 (ISSN:02878321)

巻号頁・発行日

vol.51, no.2, pp.353-359, 2020 (Released:2020-02-13)

参考文献数

9

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本研究では,熟練や若年などの運転者属性(技量差)と潜在的な衝突リスクに備えた走行方法との関係を明らかにするために,自転車追い抜きシーンに着目した走行実験を実施した.本稿では,交通環境要因として駐車車両を配置した条件や自転車がふらつき走行する条件で,自転車に対する潜在的な衝突リスクを分析した.

著者

安部 原也

出版者

一般財団法人日本自動車研究所

雑誌

若手研究(B)

巻号頁・発行日

2009

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追突事故の低減効果を高めるために必要な警報タイミングの在り方について,先行車への追従状態,ドライバの運転状態を考慮した実験検討を踏まえ,理論的整備を行った.ドライバの普段の運転行動を,脇見運転時の警報タイミングの設計に組み込む手法を提案した.また,先行車との車間時間(THW)が長い上に,脇見,ハンズフリー携帯電話によって運転への注意が削がれている場合には,警報による追突リスクの低減効果が高めるために,短いTHWとは異なる警報呈示閾値を用いる等によって早いタイミングの警報を呈示する必要があることを示した.

著者

安部 原也 菊地 一範 岩城 亮 藤井 健

出版者

一般社団法人日本機械学会

雑誌

日本機械学會論文集. C編 (ISSN:03875024)

巻号頁・発行日

vol.76, no.767, pp.1662-1668, 2010-07-25

被引用文献数

2

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In order to investigate effects of driving conditions and traffic environments on visual behaviour, a driving simulator experiment was conducted. Specifically it was considered how a visual field was influenced as a function of cognitive distraction, possibly resulting in a situation of look-but-did-not see, and crowdedness of other vehicles and pedestrians. Cognitive distraction was simulated by a experimental secondary task which was relevant to mental calculations. It was found that driver's reaction time to a target mark was increased resulting from cognitive distraction. This result may be explained from a driver's visual field point of view. That is a visual field for recognising a target mark got small when drivers was distracted with particularly driving on non-crowded road, compared with crowded road. Potential application of this research will be discussed.