驾驶机舱LED灯光色温与人员警觉度关系仿真实验研究

Simulation experiment study on relationship between color temperature of LED lights and personnel alertness in cockpit

为了探讨驾驶机舱内LED灯光色温与人员警觉度的联系,在A320模拟驾驶舱内设置2500~2700K,3000~3200K,6000~6500K3种不同色温的LED灯光环境,采用卡斯罗林嗜睡量表(KSS)、闪光融合临界频率仪(CFF)、视觉舒适度评分量表(VCS),对5名被试人员在不同灯光环境的疲劳程度和视觉舒适度进行实时测量。针对测量结果,采用方差分析及描述性统计的数据分析方法,评价被试人员于不同灯光环境下的疲劳程度、视觉舒适度的差异性及变化情况。研究结果表明:高色温LED灯光环境下,人员的主观嗜睡感受及客观疲劳感受较低,且有着较低的疲劳感受增长率;高色温LED光源下人员的视觉舒适度也较高;增高LED灯光色温可一定程度上提升人员的警觉性。

In order to explore the relationship between the color temperature of LED lights and personnel alertness in the cockpit,three LED light environments with different color temperatures were set in the A320 simulation cockpit,which were 2 500-2 700 K,3 000-3 200 K,6 000-6 500 K respectively.The Karolinska Sleepiness Scale(KSS),critical flick fusion frequency(CFF)meter and visual comfortable scale(VCS)were used to measure the fatigue degree and visual comfort of five participants in real time in different light environments.According to the measurement results,the data analysis methods of variance analysis and descriptive statistics were adopted to evaluate the difference and change of fatigue degree and visual comfort of the participants in different light environments.The results showed that in the LED light environment with high color temperature,the subjective sleepiness and the objective fatigue feeling of the personnel were lower,with the lower growth rate of fatigue feeling,and the visual comfort of the personnel was relatively high.Increasing the color temperature of LED lighting could improve the alertness of personnel to a certain extent.