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Safety Impact and Driver Acceptance of an Integrated Crash Warning System for Heavy Trucks

机译：重型卡车集成碰撞预警系统的安全影响和驾驶员接受度

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This paper provides the results of an analysis conducted to assess the safety impact and driver acceptanceof an integrated vehicle-based crash warning system for heavy trucks based on driving data collectedfrom a field operational test. The system incorporates three functions that warn the driver of an imminentrear-end crash, lane-change crash, or unintentional lane departure. The safety impact is assessed in termsof observed changes in driving performance, driver attention, and response to system alerts. Driveracceptance is assessed through subjective feedback from the drivers in terms of ease of use, perceivedusefulness, and advocacy. 18 professional drivers participated in the field test by driving the instrumentedtrucks on their normal work route for a period of 10 months. In the first two months, designated as thebaseline period, the subjects performed their naturalistic driving with the system turned off while the dataacquisition system collected their performance data. In the last eight months, designated as the treatmentperiod, the system was turned on and provided the subjects with visual and auditory crash warningsignals. The integrated system has the potential to help professional drivers maintain their lanepositioning, increase turn signal usage, and reduce their exposure to certain driving conflict scenarios.Moreover, the system did not have a negative influence on driver attention. Most drivers felt that thesystem provided a positive safety benefit and was easy to use.
机译：本文提供了评估安全影响和驾驶员接受程度的分析结果 收集的驾驶数据的重型卡车基于车辆的集成式碰撞预警系统的设计 来自现场操作测试。该系统具有三个功能，可警告驾驶员即将来临 追尾撞车，换道撞车或意外车道偏离。安全影响的评估依据 观察到的驾驶性能，驾驶员注意力以及对系统警报的响应方面的变化。司机 接受程度是通过驾驶员的主观反馈来评估的，其易用性，可感知性 有用和倡导。 18位专业驾驶员通过驾驶仪表来参加现场测试 卡车在正常工作路线上行驶10个月。在头两个月中，被指定为 在基线期，受试者在关闭系统的同时执行自然驾驶，而数据 采集系统收集其性能数据。在过去的八个月中，指定为治疗 在此期间，系统被打开并向对象提供视觉和听觉碰撞警告 信号。集成系统有潜力帮助专业驾驶员保持车道 定位，增加转向信号灯的使用并减少其在某些驾驶冲突情况下的暴露。 此外，该系统对驾驶员的注意力没有负面影响。大多数驾驶员认为 该系统提供了积极的安全益处，并且易于使用。

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