Dynamics of heterogeneity in urban networks: aggregated traffic modeling and hierarchical control

M Ramezani, J Haddad, N Geroliminis - Transportation Research Part B …, 2015 - Elsevier
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 …

Optimal perimeter control for two urban regions with macroscopic fundamental diagrams: A model predictive approach

N Geroliminis, J Haddad… - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Recent analysis of empirical data from cities showed that a macroscopic fundamental
diagram (MFD) of urban traffic provides for homogenous network regions a unimodal low …

Perimeter and boundary flow control in multi-reservoir heterogeneous networks

K Aboudolas, N Geroliminis - Transportation Research Part B …, 2013 - Elsevier
In this paper, we macroscopically describe the traffic dynamics in heterogeneous
transportation urban networks by utilizing the Macroscopic Fundamental Diagram (MFD), a …

Enhancing model-based feedback perimeter control with data-driven online adaptive optimization

A Kouvelas, M Saeedmanesh, N Geroliminis - Transportation Research Part …, 2017 - Elsevier
Most feedback perimeter control approaches that are based on the Macroscopic
Fundamental Diagram (MFD) and are tested in detailed network structures restrict inflow …

Economic model predictive control of large-scale urban road networks via perimeter control and regional route guidance

II Sirmatel, N Geroliminis - IEEE Transactions on Intelligent …, 2017 - ieeexplore.ieee.org
Local traffic control schemes fall short of achieving coordination with other parts of the urban
road network, whereas a centralized controller based on the detailed traffic models would …

Urban network gridlock: Theory, characteristics, and dynamics

HS Mahmassani, M Saberi, A Zockaie - Procedia-Social and Behavioral …, 2013 - Elsevier
This study explores the limiting properties of network-wide traffic flow relations under heavily
congested conditions in a large-scale complex urban street network; these limiting …

Equilibrium analysis and route guidance in large-scale networks with MFD dynamics

M Yildirimoglu, M Ramezani, N Geroliminis - Transportation Research …, 2015 - Elsevier
Recent studies have demonstrated that Macroscopic Fundamental Diagram (MFD), which
provides an aggregated model of urban traffic dynamics linking network production and …

[HTML][HTML] Regional route guidance with realistic compliance patterns: Application of deep reinforcement learning and MPC

S Jiang, CQ Tran, M Keyvan-Ekbatani - Transportation Research Part C …, 2024 - Elsevier
Solving link-based route guidance problems for large-scale networks is computationally
challenging and faces practical issues, such as spatial–temporal data coverage. Thus …

Cooperative traffic control of a mixed network with two urban regions and a freeway

J Haddad, M Ramezani, N Geroliminis - Transportation Research Part B …, 2013 - Elsevier
Currently most optimization methods for urban transport networks (i) are suited for networks
with simplified dynamics that are far from real-sized networks or (ii) apply decentralized …

Hierarchical control of heterogeneous large-scale urban road networks via path assignment and regional route guidance

M Yildirimoglu, II Sirmatel, N Geroliminis - Transportation Research Part B …, 2018 - Elsevier
High level of detail renders microscopic traffic models impractical for control purposes and
local control schemes cannot coordinate actions over large scale heterogeneously …