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为了解和分析高原低氧环境对驾驶员生理特性的影响,利用biofeedback 2000 x-pert型生物反馈系统对高原区公路驾驶员进行实地行车试验。通过整理分析实测数据,得到驾驶员各项生理指标变异率与海拔的相关性水平并排序,对比平原与高原地区驾驶员各项生理指标变化的差异,并就驾驶员心率(PULS)和脑电图(EEG)与试验道路海拔之间的关系进行回归分析。结果表明,PULS、心率变异低频成分(LF)及脑电波3项指标的变异率,能够比较明显地反映行车驾驶员生理特性指标随海拔的变化情况。
In order to understand and analyze the influence of plateau hypoxic environment on the driver’s physiological characteristics, biofeedback 2000 x-pert type biofeedback system was used to test the driving test of highway drivers in plateau area. By sorting and analyzing the measured data, the correlation between the variation rate of each physiological index of the driver and the altitude was obtained and ranked. The differences of the physiological indexes of pilots in the plain and plateau areas were compared. The PULS and EEG The regression analysis between the EEG and the altitude of the test road. The results showed that the variability of PULS, low frequency component of heart rate variability (LF) and three items of brain wave can reflect the changes of the driver’s physiological characteristics with altitude obviously.