Abstract
With the rapid development of advanced mobile intelligent terminals, driving tasks are diverse, and new traffic safety problems occur. We propose a new research on physiological characteristics and nonparametric tests for the master-slave driving task, especially for evaluation of drivers’ mental workload in mountain area highway in nighttime scenario. First, we establish the experimental platform based driving simulator and design the master-slave driving task. Second, based on the physiological data and subjective evaluation for mental workload, we use statistical methods to composite the physical changes evolution analysis in a driving simulator. Finally, we finished nonparametric test of the drivers’ psychological load and road test. The results show that in compassion with the daytime scenario, drivers should pay much effort to driving skills and risk identification in the nighttime scenario. Thus, in the same driving condition, drivers should bear the higher level of mental workload, and it has been subjected to even greater pressures and intensity of emotions.
Highlights
The behavioral decision making for driving is performed. e mental workload refers to an additional work task that the driver needs to handle when the driver operates the vehicle, the traffic environment around it for the road restriction conditions, and the information processing capabilities on the brain that occur with frequency
(2) e subjective scores on the driver’s mental workload questionnaire are basically consistent with the results about multi-index physiological characteristics test. e transient characteristics on physiological indexes can measure driver’s subtle physiological changes in the subtle, and measure the trend on mental load. is point indicates that the physiological index test is an effective test method for evaluating the driver’s mental load
It provides a more objective and feasible evaluation method for studying driver behavior
Summary
Relevant tra c safety research shows that the number on tra c accidents caused by the driver’s own responsibility, especially for tra c fatal accidents, is increasing year by year In response to this problem, researchers have carried out research working on the mental load on the driver during driving. E mental workload refers to an additional work task that the driver needs to handle when the driver operates the vehicle, the traffic environment around it for the road restriction conditions, and the information processing capabilities on the brain that occur with frequency. Continuous driving under higher mental load is likely to cause driver judgment, decision or manipulation error, and affect road traffic safety. (2) e driving information search, processing and decision-making task characteristics affect the driver’s mental load in three aspects: information presentation, release method, and driving environment. Based on published way information, such as color, text, symbols, and different driving environments such as weather, traffic conditions, and the outside environment, research scholars have conducted research on Relationship between mental load and physiological parameters
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