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首页> 外文会议>COTA international conference of transportation professionals >Driver's Warning Threshold Choice in Rear-End Collision Avoidance System under Different Speeds
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Driver's Warning Threshold Choice in Rear-End Collision Avoidance System under Different Speeds

机译：不同速度下避撞系统中驾驶员警告阈值的选择

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The warning threshold is a part of the rear-end collision avoidance system. It is found in previous studies that drivers have different judgments about the thresholds and these judgments seem to be influenced by diverse circumstance. Hence, this experiment seeks to study the choices of driver's warning thresholds in rear-end collision avoidance system under different speeds. Participants were asked to drive at a high speed in the first trial and then at a low speed in the other one based on an experimental platform which was formed by connecting a driving simulator and an external vehicle equipment called rear-end collision alarming system. In addition, they were provided with six different groups of time to collision (TTC) as rear-end collision thresholds and then they selected the safest and the most appropriate TTC value from the given thresholds based on their own subjective feelings under different speeds. The drivers' choices of TTC safety threshold are discrepant at different speeds. In the case of high speeds, most of the drivers tend to choose a small TTC value. This shows support for that the subjective judgments of drivers are not consistent with the values of objective risk at different speeds.
机译：警告阈值是后端防撞系统的一部分。在先前的研究中发现，驾驶员对阈值有不同的判断，这些判断似乎受不同情况的影响。因此，本实验旨在研究在不同速度下的后避撞系统中驾驶员警告阈值的选择。参与者被要求在第一次试验中以高速行驶，然后在另一个试验中以低速行驶，该试验基于一个实验平台，该平台是通过连接驾驶模拟器和称为尾部碰撞报警系统的外部车辆设备而形成的。此外，为他们提供了六组不同的碰撞时间（TTC）作为后端碰撞阈值，然后他们根据自己在不同速度下的主观感受，从给定的阈值中选择了最安全，最合适的TTC值。驾驶员在不同速度下选择的TTC安全阈值是不同的。在高速情况下，大多数驾驶员倾向于选择较小的TTC值。这表明支持驾驶员的主观判断与不同速度下的客观风险值不一致。

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