在与车载信息娱乐系统交互时,临时浏览限制对驾驶员情景意识的影响

IF 1.8 Q3 PUBLIC, ENVIRONMENTAL & OCCUPATIONAL HEALTH Safety Pub Date : 2022-12-07 DOI:10.3390/safety8040081
J. Meyer, E. Llaneras, G. Fitch
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引用次数: 0

摘要

在执行任务时,视线远离道路会降低对潜在危险的态势意识。长时间回顾道路重建了这种意识,并被认为对保持良好的车辆控制和识别冲突至关重要。为了进一步调查重建态势感知的重要性,进行了一项对照测试跑道研究,评估了驾驶员在完成一项任务后的危险意识和对突发事件的反应表现,该任务包括中途停车回顾道路。32名驾驶员完成了视觉手动信息娱乐系统的次要任务。一半的司机被要求在任务中途暂停浏览,而其他人则没有。在执行任务时,一辆领头的车辆启动了危险指示灯。司机们完成任务后,它意外地掉下了一个假的消音器。测量了驾驶员对道路的视觉注意力和对消声器的反应能力。与没有暂停浏览的驾驶员相比,暂停浏览的司机更清楚领头车辆的危险灯,对掉落的消音器没有那么惊讶,并且执行了更谨慎的回避动作。这些发现表明,当任务交互有节奏时,驾驶员的情境意识可以更好地保持,从而可以对环境进行更长时间的监控。鼓励驾驶员在长时间浏览时进行恢复性的道路扫视的机制可能是缓解驾驶员分心的整体方法的一个关键方面。
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Impact of Temporary Browsing Restrictions on Drivers’ Situation Awareness When Interacting with In-Vehicle Infotainment Systems
Looking away from the road during a task degrades situation awareness of potential hazards. Long glances back to the road rebuild this awareness and are thought to be critical for maintaining good vehicle control and recognizing conflicts. To further investigate the importance of rebuilding situation awareness, a controlled test-track study was performed that evaluated drivers’ hazard awareness and response performance to a surprise event after completing a task that involved pausing partway through it to look back at the road. Thirty-two drivers completed a visual-manual infotainment system secondary task. Half of the drivers were instructed to pause their browsing mid-task, while the others were not. While the task was being performed, a lead vehicle activated its hazard lights. It then unexpectedly dropped a fake muffler once drivers completed the task. Drivers’ visual attention to the road and their ability to respond to the muffler were measured. The drivers that paused their browsing were more aware of the lead vehicle’s hazard lights, showed less surprise to the dropped muffler, and executed more measured avoidance maneuvers compared to the drivers that did not pause their browsing. These findings suggest that drivers’ situation awareness can be better maintained when task interactions are paced, allowing for longer monitoring of the environment. Mechanisms that encourage drivers to take restorative on-road glances during extended browsing may be a key aspect of an overall approach to mitigating driver distraction.
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来源期刊
Safety
Safety Social Sciences-Safety Research
CiteScore
3.20
自引率
5.30%
发文量
71
审稿时长
7 weeks
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