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Assessing mental workload (MWL) in real time is crucial for preventing the accidents caused by cognitive overload or inattention of human operators in safety-critical human-machine (HM) systems. Since continuous-time psychophysiological signals reflect the mental stress of humans, classifiers designed by using those signals can be utilized to assess MWL effectively. However, the noise contained in...
The illumination design is an important factor affecting driving safety at tunnel entrance and exit. By analyzing lightness change character and visual adaptation mechanism at tunnel entrance and exit, the lightness transition index has been developed. Due to the shortage of accident statistics at tunnel entrance and exit, indirect analysis method was adopted and operating speed difference was selected...
Safety assessment for an in-depth analysis and improvement is one of the key functions of any safety management program. On the basis of the relevant research works, this paper presents a method assessing the safety level in rural freeways based on accident, traffic flow and facilities characteristics. Three models relating accident data, traffic flow characteristics and facilities characteristics...
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