A survey on urban traffic control under mixed traffic environment with connected automated vehicles

J Li, C Yu, Z Shen, Z Su, W Ma - Transportation research part C: emerging …, 2023 - Elsevier
Efficient traffic control can alleviate traffic congestion, reduce fuel consumption, and improve
traffic safety. With the development of communication and automation technologies, regular …

Macroscopic network-level traffic models: Bridging fifty years of development toward the next era

M Johari, M Keyvan-Ekbatani, L Leclercq… - … Research Part C …, 2021 - Elsevier
Network macroscopic fundamental diagrams (NMFD) and related network-level traffic
dynamics models have received both theoretical support and empirical validation with the …

Data efficient reinforcement learning and adaptive optimal perimeter control of network traffic dynamics

C Chen, YP Huang, WHK Lam, TL Pan, SC Hsu… - … Research Part C …, 2022 - Elsevier
Existing data-driven and feedback traffic control strategies do not consider the heterogeneity
of real-time data measurements. Besides, traditional reinforcement learning (RL) methods …

On the stochastic fundamental diagram for freeway traffic: Model development, analytical properties, validation, and extensive applications

X Qu, J Zhang, S Wang - Transportation research part B: methodological, 2017 - Elsevier
In this research, we apply a new calibration approach to generate stochastic traffic flow
fundamental diagrams. We first prove that the percentile based fundamental diagrams are …

On the fundamental diagram for freeway traffic: A novel calibration approach for single-regime models

X Qu, S Wang, J Zhang - Transportation Research Part B: Methodological, 2015 - Elsevier
The speed-density or flow-density relationship has been considered as the foundation of
traffic flow theory. Existing single-regime models calibrated by the least square method …

Robust perimeter control design for an urban region

J Haddad, A Shraiber - Transportation Research Part B: Methodological, 2014 - Elsevier
Recent works have introduced perimeter feedback-control strategies for a homogenous
urban region and multiple urban regions with the help of the Macroscopic Fundamental …

On the impacts of locally adaptive signal control on urban network stability and the macroscopic fundamental diagram

VV Gayah, XS Gao, AS Nagle - Transportation Research Part B …, 2014 - Elsevier
Urban traffic networks are inherently unstable when congested. This instability causes a
natural tendency towards spatially inhomogeneous vehicle distributions and less consistent …

Optimal perimeter control synthesis for two urban regions with aggregate boundary queue dynamics

J Haddad - Transportation Research Part B: Methodological, 2017 - Elsevier
Perimeter control policies for urban regions with Macroscopic Fundamental Diagram (MFD)
modeling have been presented in previous works. The control policies might meter the …

Multiple concentric gating traffic control in large-scale urban networks

M Keyvan-Ekbatani, M Yildirimoglu… - IEEE Transactions …, 2015 - ieeexplore.ieee.org
A new gating strategy for concentric cities based on the notion of the macroscopic or network
fundamental diagram and the feedback-based gating concept is introduced and successfully …

Data fusion algorithm for macroscopic fundamental diagram estimation

L Ambühl, M Menendez - Transportation Research Part C: Emerging …, 2016 - Elsevier
A promising framework that describes traffic conditions in urban networks is the macroscopic
fundamental diagram (MFD), relating average flow and average density in a relatively …