A Fluid Model of a Traffic Network with Information Feedback and Onramp Controls
A Fluid Model of a Traffic Network with Information Feedback and Onramp Controls
复制标题
具有信息反馈和入口匝道控制的交通网络流体模型
DOI:
10.1007/s00245-021-09766-8
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发表时间:
2021
影响因子:
1.8
通讯作者:
Ziedins, Ilze
中科院分区:
文献类型:
--
作者:
Helton, J. William;Kelly, Frank P.;Williams, Ruth J.;Ziedins, Ilze
Unlimited access to a motorway network can, in overloaded conditions, cause a loss of throughput. Ramp metering, by controlling access to the motorway at onramps, can help avoid this loss of throughput. The queues that form at onramps are dependent on the metering rates chosen at the onramps, and these choices affect how the capacities of different motorway sections are shared amongst competing flows. In this paper we perform an analytical study of a fluid, or differential equation, model of a linear network topology with onramp queues. The model allows for adaptive arrivals, in the sense that the rate at which external traffic enters the queue at an onramp can depend on the current perceived delay in that queue. The model also includes a ramp metering policy which uses global onramp queue length information to determine the rate at which traffic enters the motorway from each onramp. This ramp metering policy minimizes the maximum delay over all onramps and produces equal delay times over many onramps. The paper characterizes both the dynamics and the equilibrium behavior of the system under this policy. While we consider an idealized model that leaves out many practical details, an aim of the paper is to develop analytical methods that yield interesting qualitative insights and might be adapted to more general contexts. The paper can be considered as a step in developing an analytical approach towards studying more complex network topologies and incorporating other model features.
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DOI:
--
发表时间:
2005
期刊:
Systems & control letters (Print)
影响因子:
--
作者:
Shoudong Huang;M. James;Zhong
通讯作者:
Zhong
DOI:
--
发表时间:
2005
期刊:
影响因子:
--
作者:
Shoudong Huanga;M. JAMESB.;Z. Jiangc
通讯作者:
Z. Jiangc
DOI:
--
发表时间:
2007
期刊:
影响因子:
--
作者:
Lei Zhang;D. Levinson
通讯作者:
D. Levinson
影响因子:
6.8
作者:
A. Sumalee;R. Zhong;T. Pan;W. Y. Szeto
通讯作者:
A. Sumalee;R. Zhong;T. Pan;W. Y. Szeto
DOI:
--
发表时间:
2020
期刊:
Transportation Research Part B: Methodological
影响因子:
--
作者:
G. Como;Gustav Nilsson
通讯作者:
Gustav Nilsson