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Comparison of portable and onboard navigation system for the effects in real driving

机译：便携式和车载导航系统在实际驾驶中的效果比较

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摘要

Navigation systems are very useful and popular tools which display a user's location and make use of graphics, text and voice information to guide him to a predetermined destination. Recently, some researches had revealed that drivers choose to receive driving directions using portable devices owing to their price and convenience. This study aimed to survey whether the driving efficiency and controlling are different as using portable and onboard navigation systems. A smartphone (2.7" screen) and driving support system we instructed (8.9" display interface) were adopted as the portable and onboard navigation systems respectively. Thirty subjects were paid to participate in this study, and field experiments were executed in urban and rural environments. Participants were randomly divided into two groups with equal numbers and drove according to instructions provided by one of these systems. The results indicated that the performance of drivers using the portable navigation system is better than that of the onboard one, in terms of efficiency and car handling, both in the urban and rural environments, despite the fact that the display screen of the phone is so small.
机译：导航系统是非常有用且流行的工具，可显示用户的位置并利用图形，文本和语音信息将其引导到预定的目的地。最近，一些研究表明，由于价格和便利性，驾驶员选择使用便携式设备来接收驾驶指示。这项研究旨在调查驾驶效率和控制是否与使用便携式和车载导航系统不同。我们分别指示了智能手机（2.7英寸屏幕）和我们指示的驾驶支持系统（8.9英寸显示界面）作为便携式和车载导航系统。支付了30名受试者参加这项研究，并在城乡环境中进行了现场实验。参与者被随机分为两组，每组相等数量，并按照这些系统之一提供的说明开车。结果表明，无论手机在城市还是乡村地区使用便携式导航系统，在效率和汽车操控性方面，驾驶员的性能均优于车载导航系统。小。

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