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城市道路环境中驾驶人应激响应时间特性

, PP. 135-142

Keywords: 交通工程,交通安全,模拟驾驶,响应时间,驾驶人,城市道路

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Abstract:

?针对城市道路环境中典型的应激场景,开发了虚拟仿真驾驶平台,对28名驾驶人的应激响应感知时间、判断决策时间和操作时间进行了分析,并以驾驶经验、年龄以及车速为自变量,分别建立了驾驶人感知时间、判断决策时间和操作时间预测模型。分析结果表明:驾驶人感知时间与车速呈指数函数关系,且熟练驾驶人的感知时间短于非熟练驾驶人,中青年组驾驶人的平均感知时间最短;驾驶人判断决策时间与车速之间关系不密切,但熟练驾驶人的判断决策时间长于非熟练驾驶人,青年驾驶人的平均判断决策时间最短;驾驶人操作时间与车速呈对数函数关系,且熟练驾驶人应激操作时间长于非熟练驾驶人,青年组驾驶人的平均操作时间最短。所建立的预测模型能够准确预测驾驶人的应激响应时间,总预测准确率达95%。

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