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Driver behavior with a smartphone collision warning application - A field study

机译：使用智能手机碰撞警告应用程序的驾驶员行为-现场研究

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The potential of collision warning systems (CWS) to prevent or mitigate rear end collisions has been repeatedly demonstrated in both simulator and on-road studies. Still, their market penetration rate has remained slow. Collision warning smartphone applications (CWSA) may assist in stimulating wider adoption of collision warning technology, as they are considerably less expensive and are immediately accessible through smartphone app stores. However, driver behaviors with such applications have never been studied. Twenty-six drivers participated in this study and used CWSA during their daily on-road trips for a period of one to two weeks. Their time-stamped acceleration and warnings were recorded and analyzed. We found that CWSA generated safer driving behaviors as decelerating in response to warnings of imminent collisions and receiving fewer collision warnings overtime. Nevertheless, twenty-one drivers reported that they stopped using the application after the experiment ended. In view of the high market penetration rate of smartphones, together with the potential of CWSA to generate safer driving behaviors, we recommend developing incentive programs to encourage usage. (C) 2016 Elsevier Ltd. All rights reserved.
机译：模拟器和公路研究都反复证明了碰撞预警系统（CWS）预防或减轻后端碰撞的潜力。尽管如此，他们的市场渗透率仍然很慢。碰撞预警智能手机应用程序（CWSA）可以帮助促进碰撞预警技术的更广泛采用，因为它们价格便宜得多，并且可以通过智能手机应用程序商店立即访问。但是，从未研究过具有此类应用程序的驾驶员行为。二十六名驾驶员参加了这项研究，并在日常公路旅行中使用了CWSA，时间为一到两周。记录并分析了他们带时间戳的加速度和警告。我们发现，CWSA在响应即将发生的碰撞警告时会减速，从而产生更安全的驾驶行为，并且随着时间的推移收到较少的碰撞警告。不过，有21位驱动程序报告说，他们在实验结束后停止使用该应用程序。鉴于智能手机的高市场渗透率，以及CWSA产生更安全驾驶行为的潜力，我们建议制定激励计划以鼓励使用。 （C）2016 Elsevier Ltd.保留所有权利。

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