信息物理系统下的耦合映射跟驰模型

发布时间：2018-06-25 01:50

本文选题：信息物理系统 + 耦合映射跟驰模型　；参考：《计算机工程与应用》2017年12期

【摘要】：针对车辆跟驰模型中信息响应延迟时间导致交通拥堵,通过信息物理系统对耦合映射跟驰模型重新定义,在嵌入计算功能的网络端与延迟导致拥堵的物理端相互作用下,提出均衡车头距的概念,在此基础上量化跟驰过程中的响应延迟时间,从而间接增大了车头距,拉长可操作时间线,给驾驶系统提供预估功能。考虑前车、后车对己车的反馈控制,并选取不同的反馈系数,仿真结果表明CPS定义下的耦合映射跟驰模型,对交通拥堵具有明显的抑制效果。
[Abstract]:In view of the traffic congestion caused by the delay time of information response in the car-following model, the coupled mapping and car-following model is redefined by the information physical system, under the interaction between the network end with embedded computing function and the physical side with delay resulting in congestion. The concept of equalizing headspace is put forward on the basis of which the response delay time in the course of car-following is quantified so that the head-distance is increased indirectly and the operable time line is lengthened and the prediction function is provided for the driving system. Considering the feedback control of the front car and the rear car and selecting different feedback coefficients, the simulation results show that the coupling mapping and the car-riding model defined by CPS can restrain the traffic congestion obviously.
【作者单位】：湖南大学信息科学与工程学院;
【基金】：国家自然科学基金(No.61370097)
【分类号】：U491

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