基于MFD的路网可扩展边界控制方法研究

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摘要 To alleviate regional traffic congestion in large areas of the urban zonal road network, an extensible perimeter control strategy based on the macroscopic fundamental diagram is proposed to improve the effectiveness of the entire urban network. The proposed strategy considers the fleet storage capacity of the links, avoids over queuing, and establishes a constraint of perimeter control and a regional feedback control model. A new extended boundary is formed by dynamically adjusting the control boundary of the protected area in real time, and a feedback gate is set at the junction of extended boundary to restrict the traffic flow in the road network of the congested area. To verify the effectiveness of the proposed strategy, a Sioux Falls test network is used as the research area, and the effect of the proposed strategy is evaluated in Vissim. Simulation results show that the implementation of the scalable perimeter control strategy improves the operation index of the road network, and a wide range of congestion is obviously alleviated.

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	李新
	毛剑楠
	骆晨
	刘澜

关键词 ： traffic engineering, scalable perimeter control, macroscopic fundamental diagram (MFD), over-saturated road network, network operation efficiency

Abstract：To alleviate regional traffic congestion in large areas of the urban zonal road network, an extensible perimeter control strategy based on the macroscopic fundamental diagram is proposed to improve the effectiveness of the entire urban network. The proposed strategy considers the fleet storage capacity of the links, avoids over queuing, and establishes a constraint of perimeter control and a regional feedback control model. A new extended boundary is formed by dynamically adjusting the control boundary of the protected area in real time, and a feedback gate is set at the junction of extended boundary to restrict the traffic flow in the road network of the congested area. To verify the effectiveness of the proposed strategy, a Sioux Falls test network is used as the research area, and the effect of the proposed strategy is evaluated in Vissim. Simulation results show that the implementation of the scalable perimeter control strategy improves the operation index of the road network, and a wide range of congestion is obviously alleviated.

Key words： traffic engineering scalable perimeter control macroscopic fundamental diagram (MFD) over-saturated road network network operation efficiency

收稿日期: 2017-11-27

基金资助:Supported by the National Natural Science Foundation of China (No. 61873216)

通讯作者: LI Xin E-mail: 1052944276@qq.com

引用本文:

李新, 毛剑楠, 骆晨, 刘澜. 基于MFD的路网可扩展边界控制方法研究[J]. Journal of Highway and Transportation Research and Development, 2018, 12(4): 59-65.
LI Xin, MAO Jian-nan, LUO Chen, LIU Lan. Scalable Perimeter Control Strategy of Road Network Based on the Macroscopic Fundamental Diagram. Journal of Highway and Transportation Research and Development, 2018, 12(4): 59-65.

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http://manu27.magtech.com.cn/Jwk_gljtkj_en/CN/ 或 http://manu27.magtech.com.cn/Jwk_gljtkj_en/CN/Y2018/V12/I4/59

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