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为分析驾驶员在高原公路环境下的应激反应能力,利用驾驶适应性检测仪器和辅助设备在现场试验中获得高原公路驾驶员的生理心理指标数据,研究其应激反应行为。测试结果表明:驾驶员的血压、心率与高原海拔、年龄、驾龄和连续驾驶时间显著相关。具体地说是,驾驶员的血压随着海拔上升及驾驶时间的延长出现下降,驾驶员的心率与年龄和驾龄成正相关。对驾驶适宜性检测的样本数据进行配对T检验发现,随着海拔升高,高原公路驾驶员的驾驶行为能力表现出选择反应迟缓,选择错误水平上升,应激反应能力减弱等特点。
In order to analyze the driver’s ability to respond to stress in the highway environment of the plateau, the physiological and psychological index data of drivers on plateau road were obtained by driving adaptability testing equipment and auxiliary equipment in field test to study the stress reaction behavior. Test results show that: driver’s blood pressure, heart rate and altitude, age, driving experience and continuous driving time are significantly related. Specifically, the driver’s blood pressure decreased with altitude and driving time decreased, the driver’s heart rate and age and driving experience is positively correlated. Paired T-test on the sample data of driving suitability test found that with the elevation increasing, the driver’s driving ability of plateau highway showed the slow response, the wrong selection level, and the weakened stress response ability.