[1] Xu Jianmin, Yan Xiaowen, Ma Yingying, Jing Binbin, et al. Perimeter traffic control strategybased on macroscopic fundamental diagrams [J]. Journal of Southeast University (English Edition), 2017, 33 (4): 502-510. [doi:10.3969/j.issn.1003-7985.2017.04.018]

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Journal of Southeast University (English Edition)[ISSN:1003-7985/CN:32-1325/N]

Volumn:

33

Issue:

2017 4

Page:

502-510

Research Field:

Traffic and Transportation Engineering

Publishing date:

2017-12-30

Info

Title:

Perimeter traffic control strategybased on macroscopic fundamental diagrams

Author(s):

Xu Jianmin;  Yan Xiaowen;  Ma Yingying;  Jing Binbin

School of Civil Engineering and Transportation, South China University of Technology, Guangzhou 510640, China

Keywords:

macroscopic fundamental diagram;  perimeter control;  green duration optimization;  microscopic simulation

PACS:

U491

DOI:

10.3969/j.issn.1003-7985.2017.04.018

Abstract:

A perimeter traffic signal control strategy is proposed based on the macroscopic fundamental diagram theory(MFD)to solve the signal control problem in oversaturated states. First, the MFD of a specific regional network can be derived using VISSIM simulation software. Secondly, the maximum number of cumulative vehicles that the network can accommodate is determined based on the MFD. Then, through monitoring the influx flow, the number of vehicles existing in and exiting from the network, a perimeter traffic control model is proposed to optimize the signal timing of the boundary intersections. Finally, a virtual network simulation model is established and three different kinds of traffic demand are loaded into the network. Simulation results show that after the strategy implementation, the number of vehicles accumulating in the network can be kept near the optimal value, while the number of both entering and exiting vehicles increases significantly and the road network can be maintained at a large capacity. Simultaneously, the queue length at the approach of the border intersections is reasonably controlled and vehicles entering and exiting the network can maintain a more efficient and stable speed. The network performance indices such as the average traffic delay and average number of stops can be improved to a certain degree, thus verifying the effectiveness and feasibility of the perimeter control strategy.

References:

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Memo

Memo:

Biography: Xu Jianmin(1960—), male, doctor, professor, aujmxu@scut.edu.cn.
Foundation items: The National Natural Science Foundation of China(No.51308227), the Fundamental Research Funds for the Central Universities(No.201522087), the Science and Technology Planning Project of Guangdong Province(No.2016A030305001), the Project of Department of Communications of Guangdong Province(No.2015-02-070).
Citation: Xu Jianmin, Yan Xiaowen, Ma Yingying, et al.Perimeter traffic control strategy based on macroscopic fundamental diagrams[J].Journal of Southeast University(English Edition), 2017, 33(4):502-510.DOI:10.3969/j.issn.1003-7985.2017.04.018.

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