Experimental Study on Sound Countermeasures against Driver Fatigue

摘要

Driver fatigue is one of the main causes of fatal accidents. Therndevelopment of countermeasures against driver fatigue has been an urgent issue.rnThis paper focuses on in experiments that, in the virtual driving environment,rnbased on the formation mechanism of driver fatigue, caught the driver fatiguernstate of subjects, used sound as an environmental stimulus to intervene, andrnapplied experimental data to analyze effects of different types of sound stimulirnon driver fatigue. Four factors and three levels of orthogonal design were carriedrnout in the experiment, according to eye movement and physiological indicatorsrnbefore and after different types of sound stimuli to identify the extent of driverrnfatigue. We then selected the most effective sound combination to combatrnfatigue. The result showed that sonic intensity and stimulation time were thernmost significant factors to fighting driver fatigue, and frequency and stimulatingrninterval were weak factors.