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Shockwave Analysis on Motorways and Possibility of Damping by Autonomous Vehicles

机译:高速公路冲击波分析和自动驾驶汽车减振的可能性

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Shockwaves are a boundary that shows discontinuity in a flow-density domain. The physical realization of a Shockwave is a point in time and space at which vehicles change their speed abruptly. The formation and dissolving of congestion are phenomena that are important for the traveler information and congestion management perspectives. Shockwave analysis is the method to identify congested areas and estimate the rate of formation and dissipation of the congestion. The microscopic traffic simulation tool Vissim was used to address the main objective of this study, namely to determine if and to what extent the driving behavior parameters of the model used influence the Shockwaves on motorways. After precise calibration of the car following behavior based on the detected Shockwaves from data of the German research project simTD, the possible influences on driver behavior through highly automated vehicles was sketched in order to figure out whether these applications can change the shockwave propagation speed on motorways, lead to suppression of Shockwaves and improve the network performance as well as increase the traffic safety.
机译:冲击波是一个边界,显示出流量密度域中的不连续性。冲击波的物理实现是车辆突然改变速度的时间和空间点。拥塞的形成和解决是对旅行者信息和拥塞管理观点很重要的现象。冲击波分析是识别拥塞区域并估算拥塞形成和消散速度的方法。微观交通仿真工具Vissim用于解决本研究的主要目标,即确定所用模型的驾驶行为参数是否以及在多大程度上影响高速公路上的冲击波。根据德国研究项目simTD的数据,在检测到的冲击波的基础上对汽车的跟随行为进行精确校准后,勾画出了通过高度自动化的车辆对驾驶员行为的可能影响,以确定这些应用是否可以改变高速公路上的冲击波传播速度,可抑制冲击波并改善网络性能,并提高流量安全性。

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