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为了准确判断次任务驾驶安全性,采用驾驶模拟器与眼动仪相结合的方式,重点研究次任务驾驶过程中驾驶人眼动行为变化规律,综合考虑车辆运行状态参数变化特点,结合次任务类型对行车安全性的影响,提出了次任务驾驶安全性评价指标体系。利用网络分析法确定不同评价指标的权重系数,建立了驾驶安全等级隶属度函数,并采用最大隶属度原则实现了安全等级的划分,完成了次任务驾驶安全性评价模型构建。最后,以40名驾驶人次任务驾驶试验数据为实例应用,对模型的适用性进行了验证。
In order to accurately determine the safety of sub-mission driving, a combination of driving simulator and eye tracker is adopted to study the changing law of driver's eye movement during sub-mission driving. Considering the changing characteristics of vehicle operating parameters and the combination of sub-mission type The impact on driving safety, proposed sub-mission driving safety evaluation index system. The network analysis method is used to determine the weight coefficient of different evaluation indexes. The membership function of driving safety grade is established, and the classification of safety grade is realized by the principle of maximum membership. The construction of sub-task driving safety evaluation model is completed. Finally, the pilot driving test data of 40 drivers were used as an example to verify the applicability of the model.