信息反馈策略对含两车道的双通道系统影响研究
发布时间：2018-11-25 11:42
【摘要】：实际道路系统中,道路状况复杂,单纯的假设驾驶员备选路径路宽相同具有一定的局限性。针对现实生活中存在备选路径路宽不同,车道数存在差异的情形,建立了含两车道的双通道道路模型,并分析了平均速度、车辆数、交通流量以及随机度信息反馈策略对该道路模型中交通流参数的影响。仿真结果表明:平均速度及随机度反馈策略下,道路上车辆运行有序,两条路径上车辆的平均速度存在良好的平衡性;车辆数反馈策略下,两条路径上车辆密度具有良好的平衡性。当动态车比例小于0.6时,四种反馈策略发挥的作用相差无几;当动态车比例大于0.6时,随机度反馈策略在提高道路平均流量方面具有优越性;而交通流量反馈策略与前三种策略相比存在明显的不足。
[Abstract]:In the actual road system, the road condition is complex, and the simple assumption that the driver has the same alternative path width has some limitations. In view of the different path width and different lane number in real life, a two-channel road model with two lanes is established, and the average speed and the number of vehicles are analyzed. The influence of traffic flow and randomness information feedback strategy on the traffic flow parameters in the road model. The simulation results show that under the feedback strategy of average speed and random degree, the vehicle on the road runs in an orderly manner, and the average speed of the vehicle on the two paths has a good balance; Under the vehicle number feedback strategy, the vehicle density on the two paths has a good balance. When the dynamic vehicle ratio is less than 0.6, the four feedback strategies play a similar role, and when the dynamic vehicle ratio is greater than 0.6, the random degree feedback strategy has advantages in increasing the average road flow. Compared with the first three strategies, the traffic flow feedback strategy has obvious shortcomings.
【作者单位】： 重庆交通大学交通运输学院山地城市交通系统与安全重点实验室;
【基金】：国家自然科学基金资助项目(61403052)
【分类号】：U491
本文编号：2355975
[Abstract]:In the actual road system, the road condition is complex, and the simple assumption that the driver has the same alternative path width has some limitations. In view of the different path width and different lane number in real life, a two-channel road model with two lanes is established, and the average speed and the number of vehicles are analyzed. The influence of traffic flow and randomness information feedback strategy on the traffic flow parameters in the road model. The simulation results show that under the feedback strategy of average speed and random degree, the vehicle on the road runs in an orderly manner, and the average speed of the vehicle on the two paths has a good balance; Under the vehicle number feedback strategy, the vehicle density on the two paths has a good balance. When the dynamic vehicle ratio is less than 0.6, the four feedback strategies play a similar role, and when the dynamic vehicle ratio is greater than 0.6, the random degree feedback strategy has advantages in increasing the average road flow. Compared with the first three strategies, the traffic flow feedback strategy has obvious shortcomings.
【作者单位】： 重庆交通大学交通运输学院山地城市交通系统与安全重点实验室;
【基金】：国家自然科学基金资助项目(61403052)
【分类号】：U491
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