Effects on driving behavior of congestion information and of拥堵信息的驾驶行为及其影响.pptVIP

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Effects on driving behavior of congestion information and of拥堵信息的驾驶行为及其影响.ppt

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Effects on driving behavior of congestion information and of scale of in-vehicle navigation systems Author: Shiaw-Tsyr Uang, Sheue-Ling Hwang Transportation Research Part C 11 (2003) 423–438 Reporter: Yang Kun Ou Purpose The purpose of this research was to compare the usage of a traditional paper map and electronic route maps during driving, and to consider the effects of congestion information and map scale sizes on driving performance, workload and subjective feelings. Reference When one driver is driving in familiar areas, s/he often navigates from the origin to the destination according to his or her pre-built cognitive map. Navigation, in this case, depends mostly on route or survey knowledge rather than landmark knowledge (Wickens, 1992). drivers who were familiar with the road network had less difficulty in finding destinations and drove shorter duration routes than drivers who were unfamiliar with the road network (Eby and Kostyniuk, 1999). Reference Hughes and Cole (1986) have found that from 30% to 50% of drivers visual attention may be allocated to things unrelated to the driving task, and thus using the electronic map while driving is not necessary to decrease driving performance. Reference when information complexity increases, the drivers glance duration and frequencies increase, and thus increase the potential driving hazard and/or driver workload (Dewar, 1988; Dingus and Hulse, 1993; Wierwille, 1993) Methods of the Experiment I Subjects A total of 20 undergraduate students (15 males and 5 females). Half of the participants had drivers licenses Subjects age ranges from 20 to 23 years old (mean=22, SD=0.97) Subjects reported they understand the experimental procedures completely (mean=1.40, SD=0.82) and highly devoted themselves to the experimental tasks (mean=1.45, SD=0.76) Apparatus The driving simulator 17-in 14-in color monitor The Virtual environment development software (3D Webmaster version 5.5) Experimental design Two within-