Study on discrete boundary-feedback-control strategy for traffic flow based on Macroscopic Fundamental Diagram

Wen-Xing Zhu and Shuo Li

Physica A: Statistical Mechanics and its Applications, 2019, vol. 523, issue C, 1237-1247

Abstract: In this work, we proposed a discrete boundary-feedback-control strategy for urban traffic flow based on Macroscopic Fundamental Diagram. Firstly, the road network is divided into several sub-regions according to the degree of correlation of road intersections, and then the Macroscopic Fundamental Diagram characteristics of each traffic sub-region are analyzed to obtain the optimal critical value of vehicles in each sub-region. For a single traffic sub-region, when the number of accumulated vehicles in the sub-region exceeds the optimal threshold, we control the entry and exit of the vehicle at the boundary of the traffic sub-region by adjusting the traffic timing of the traffic lights at the boundary of the sub-region. The Vissim simulation experiment was conducted to verify that the vehicle delay in the road network was significantly reduced with the discrete boundary-feedback-control strategy, as well, the road congestion was alleviated, the travel efficiency was improved, and the road network traffic operation status was improved.

Keywords: Macroscopic Fundamental Diagram; Discrete boundary-feedback-control; Urban traffic flow (search for similar items in EconPapers)
Date: 2019
References: View complete reference list from CitEc
Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:523:y:2019:i:c:p:1237-1247

DOI: 10.1016/j.physa.2019.04.090

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