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首页> 外文期刊>Transportation research >Collision risk management of cognitively distracted drivers in a car-following situation
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Collision risk management of cognitively distracted drivers in a car-following situation

机译：跟车情况下认知分心驾驶员的碰撞风险管理

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Mobile phone distraction has been recognized as an adverse factor that degrades drivers performance on road. Although research showed that drivers take various compensatory strategies to minimize the risk in distracted driving, little consensus has been achieved regarding the actual change in collision risk because of compensatory behaviours. This study aims to investigate the impact of mobile phone use and drivers' compensatory behaviours on the collision risk in a car-following situation. By using a high-fidelity driving simulator, 37 participants completed the simulation experiment in three mobile phone USE conditions: no phone (baseline), hands-free and hand-held. Cluster analysis was adoptec to classify the final collision risk into different levels. Two logit regression models were developed to examine the relationships between drivers' characteristics, mobile phone use, collision avoidance performances and their involvement in the collision risk. Result show that compared to no phone and hands-free, drivers using hand-held phone had longer brake reaction time and also an increased likelihood of being involved in a high risk group. Drivers compensated to reduce the likelihood of safety-critical events through simultaneous control of car-following speed and distance (i.e. Time-to-collision (TTC)) it distracted condition. Additionally, the results also indicated that female drivers and nonprofessional drivers were more likely to be involved in high risk group than male drivers and professional drivers. The study provided a systematic method to quantify the impact of mobile phone distraction and drivers' compensation behaviors on collision risk. The effectiveness of compensatory strategy by controlling TTC also shed light on the development o intelligent transport systems to help distracted drivers avoid safety-critical situations. (C) 2018 Elsevier Ltd. All rights reserved.
机译：手机干扰已被认为是不利于驾驶员降低驾驶性能的不利因素。尽管研究表明驾驶员采取各种补偿策略以最大程度地降低分心驾驶的风险，但由于补偿行为，对于碰撞风险的实际变化尚未达成共识。这项研究旨在调查在开车情况下使用手机和驾驶员的补偿行为对碰撞风险的影响。通过使用高保真驾驶模拟器，有37位参与者在三种手机使用条件下完成了仿真实验：无手机（基线），免提和手持。采用聚类分析将最终碰撞风险分为不同级别。开发了两个logit回归模型，以检查驾驶员特征，手机使用，防撞性能及其与碰撞风险之间的关系。结果表明，与没有电话和免提功能的驾驶员相比，使用手持电话的驾驶员的制动反应时间更长，而且参与高风险人群的可能性也增加了。驾驶员通过同时控制其分散状态的跟随速度和距离（即碰撞时间（TTC））来进行补偿，以减少安全关键事件的可能性。此外，结果还表明，女性驾驶员和非专业驾驶员比男性驾驶员和专业驾驶员更有可能参与高风险人群。该研究提供了一种系统的方法来量化手机分心和驾驶员补偿行为对碰撞风险的影响。通过控制TTC进行补偿的策略的有效性也为智能交通系统的发展提供了帮助，以帮助分散注意力的驾驶员避免出现安全关键情况。 （C）2018 Elsevier Ltd.保留所有权利。

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