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基于熵率值的驾驶人视觉与心理负荷特性分析

DOI: 10.3969/j.issn.1674-0696.2014.02.26, PP. 118-121

Keywords: 交通工程,熵率值,驾驶人,视觉特性,心理负荷,trafficengineering,entropyrates,drivers,visualcharacteristics,mentalload

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Abstract:

:?为明确驾驶经验对视觉特性与心理负荷的影响机理,选择合适的被试驾驶人,设计了城市道路环境下的驾驶行为提取试验。划分兴趣区域,引入注视熵率值的概念,分析了熟练程度及交叉口不同通行方式对驾驶人视觉特性的影响,并探析了驾驶经验对驾驶人心理负荷的影响特性。研究表明:熟练驾驶人的视觉搜索频率高于非熟练驾驶人;交叉口的不同通过方式中,左转时的搜索频率显著高于右转及直行;相似环境下,熟练驾驶人的心理负荷低于非熟练驾驶人。研究结论对驾驶人熟练程度评价及驾驶适宜性检测等具有重要的理论指导意义及实际应用价值。

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