Effect Of Vibration On Occupant Driving Performances Measured By Simulated Driving
Journal: International Journal of Scientific & Technology Research (Vol.5, No. 1)Publication Date: 2016-01-15
Authors : Amzar Azizan; Ratchaphon Ittianuwat;
Page : 117-122
Keywords : human vibration; drowsiness; sleepiness; lane deviation; speed deviation;
Abstract
Although the performance of vehicle driver has been well investigated in many types of environments however drowsy driving caused by vibration has received far less attention. Experiment procedures comprised of two 10-minutes simulated driving sessions in no-vibration condition and with-vibration condition. In with-vibration condition volunteers were exposed to a Gaussian random vibration with 1-15 Hz frequency bandwidth at 0.2 ms-2 r.m.s. for 30-minutes. A deviation in lane position and vehicle speed were recorded and analyzed. Volunteers have also rated their subjective drowsiness by giving score using Karolinska Sleepiness Scale KSS every 5-minutes interval. Strong evidence of driving impairment following 30-minutes exposure to vibration were found significant in all volunteers p 0.05.
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