Publications de Jack Haddad | EPFL Graph Search

Two-level hierarchical traffic control for heterogeneous urban networks

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

IEEE2015

Optimal Hybrid Perimeter and Switching Plans Control for Urban Traffic Networks

Nikolaos Geroliminis, Jack Haddad, Mohammadreza Hajiahmadi

Since centralized control of urban networks with detailed modeling approaches is computationally complex, developing efficient hierarchical control strategies based on aggregate modeling is of great importance. The dynamics of a heterogeneous large-scale u ...

Institute of Electrical and Electronics Engineers2015

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

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

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-scatter relationship between the network vehicle density and outflow. Recent studie ...

2015

Integrating the dynamics of heterogeneity in aggregated network modeling and control

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

2014

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

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

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 control, which is not appropriate for heterogeneously loaded networks or ...

Elsevier2013

Optimal Perimeter Control for Two Urban Regions With Macroscopic Fundamental Diagrams: A Model Predictive Approach

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

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-scatter relationship between network vehicle density and network space-mean flow. In t ...

IEEE Institute of Electrical and Electronics Engineers2013

Effect of Left Turns for Arterials with Queue Spillbacks

Nikolaos Geroliminis, Jack Haddad

2013

On the stability of traffic perimeter control in two-region urban cities

Nikolaos Geroliminis, Jack Haddad

In this paper, stability analysis of traffic control for two-region urban cities is treated. It is known in control theory that optimality does not imply stability. If the optimal control is applied in a heavily congested system with high demand, traffic c ...

Elsevier2012

Macroscopic Traffic Control of a Mixed Urban and Freeway Network

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

2012

Model predictive perimeter-control for two-region urban cities

Nikolaos Geroliminis, Mohsen Ramezani Ghalenoei, Jack Haddad

2012