摘要
研究车内音频娱乐系统操作对驾驶绩效的影响,对于减少因驾驶分心所导致的驾驶差错意义重大.采取车内音频操作实验测试法,对比研究车载及便携式音频娱乐系统对驾驶绩效的影响,给出基于驾驶人扫视行为的减少驾驶分心的预防策略.结果表明,执行较难iPod音频操作导致驾驶绩效变差,驾驶人对危险事件的感知反应时间增加了141%或0.17s,注视前方道路的时间减少了10%,注视车内的时间增加了37s,车辆发生冲突次数明显增加.多于8次扫视或操作需15s以上才能完成的操作,不适宜在车辆行驶时操作.
Studying the influence of in-vehicle audio system on driving performance is of great significance to reducing the driving errors caused by the in-vehicle task distraction.By using the experimental method,the influences of the vehicle and portable audio system on driving performance are compared,and the distraction prevention strategies based on the driver's scanning behavior are proposed.Results show that performing a more difficult iPod task leads to poor driving performance,the driver's perception reaction time for the incident increased by 141% or 0.17 s,the time of watching the road ahead decreases by 10% and the time of watching inside the vehicle increases by 37 s,the number of vehicle conflict increases significantly.The operations which involve more than 8scannings or need more than 15 sare not suitable for operation while driving.
引文
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