Dynamics of heterogeneity in urban networks: aggregated traffic modeling and hierarchical control
Real traffic data and simulation analysis reveal that for some urban networks a well-defined
Macroscopic Fundamental Diagram (MFD) exists, which provides a unimodal and low …
Macroscopic Fundamental Diagram (MFD) exists, which provides a unimodal and low …
Perimeter and boundary flow control in multi-reservoir heterogeneous networks
In this paper, we macroscopically describe the traffic dynamics in heterogeneous
transportation urban networks by utilizing the Macroscopic Fundamental Diagram (MFD), a …
transportation urban networks by utilizing the Macroscopic Fundamental Diagram (MFD), a …
Enhancing model-based feedback perimeter control with data-driven online adaptive optimization
Most feedback perimeter control approaches that are based on the Macroscopic
Fundamental Diagram (MFD) and are tested in detailed network structures restrict inflow …
Fundamental Diagram (MFD) and are tested in detailed network structures restrict inflow …
Macroscopic relations of urban traffic variables: Bifurcations, multivaluedness and instability
Recent experimental work has shown that the average flow and average density within
certain urban networks are related by a unique, reproducible curve known as the …
certain urban networks are related by a unique, reproducible curve known as the …
Clockwise hysteresis loops in the macroscopic fundamental diagram: an effect of network instability
A recent study reported that the Macroscopic Fundamental Diagram of a medium size city
exhibited a clockwise hysteresis loop on a day in which a major disturbance caused many …
exhibited a clockwise hysteresis loop on a day in which a major disturbance caused many …
Hierarchical control of heterogeneous large-scale urban road networks via path assignment and regional route guidance
High level of detail renders microscopic traffic models impractical for control purposes and
local control schemes cannot coordinate actions over large scale heterogeneously …
local control schemes cannot coordinate actions over large scale heterogeneously …
N-MP: A network-state-based Max Pressure algorithm incorporating regional perimeter control
Abstract The Max Pressure (MP) framework has been shown to be an effective real-time
decentralized traffic signal control algorithm. However, despite its superior performance and …
decentralized traffic signal control algorithm. However, despite its superior performance and …
On the impacts of locally adaptive signal control on urban network stability and the macroscopic fundamental diagram
Urban traffic networks are inherently unstable when congested. This instability causes a
natural tendency towards spatially inhomogeneous vehicle distributions and less consistent …
natural tendency towards spatially inhomogeneous vehicle distributions and less consistent …
Optimal perimeter control synthesis for two urban regions with aggregate boundary queue dynamics
Perimeter control policies for urban regions with Macroscopic Fundamental Diagram (MFD)
modeling have been presented in previous works. The control policies might meter the …
modeling have been presented in previous works. The control policies might meter the …
Hierarchical control for stochastic network traffic with reinforcement learning
This study proposes a hierarchical control framework to maximize the throughput of a road
network driven by travel demand with uncertainties. In the upper level, a perimeter controller …
network driven by travel demand with uncertainties. In the upper level, a perimeter controller …