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Nan Zheng

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Related publications (24)

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A Dynamic Network Approach for Multimodal Urban Mobility : Modeling, Pricing and Control

Nan Zheng

Recent advances in traffic flow theory at the network level, namely the Macroscopic Fundamental Diagram (MFD), reveals the existence of well-defined laws of congestion dynamics at aggregated levels. The same knowledge for multimodal networks however is lim ...

EPFL2014

A three-dimensional macroscopic fundamental diagram for mixed bi-modal urban networks

Nikolaos Geroliminis, Nan Zheng, Konstantinos Ampountolas

Recent research has studied the existence and the properties of a macroscopic fundamental diagram (MFD) for large urban networks. The MFD should not be universally expected as high scatter or hysteresis might appear for some type of networks, like heteroge ...

Elsevier2014

A Dynamic Cordon Pricing Scheme combining a Macroscopic and an Agent-based traffic Models

Nikolaos Geroliminis, Nan Zheng

Pricing is considered an effective management policy to reduce traffic congestion in transportation networks. In this paper we combine a macroscopic model of traffic congestion in urban networks with an agent-based simulator to study congestion pricing sch ...

2012

Empirical analysis of large-scale multimodal traffic with multi-sensor data

Nikolaos Geroliminis, Nan Zheng

Recent advances in the network-level traffic flow modelling provide an efficient tool for analyzing traffic performance of large-scale networks. A relationship between density and flow at the network level is developed and widely studied, namely the macros ...

PERGAMON-ELSEVIER SCIENCE LTD2020

Area-based equitable pricing strategies for multimodal urban networks with heterogeneous users

Nikolaos Geroliminis, Nan Zheng

Equity issues among travellers are critical in congestion pricing. Failure to treat equity can lead to low acceptability towards pricing. In this paper, we develop congestion pricing schemes to improve both equity and traffic performance, for multimodal ne ...

PERGAMON-ELSEVIER SCIENCE LTD2020

A systematic analysis of multimodal transport systems with road space distribution and responsive bus service

Nikolaos Geroliminis, Nan Zheng

A smart design of transport systems involves efficient use and allocation of the limited urban road capacity in the multimodal environment. This paper intends to understand the system-wide effect of dividing the road space to the private and public transpo ...

2018

On the distribution of urban road space for multimodal congested networks

Nikolaos Geroliminis, Nan Zheng

Transport systems in real cities are complex with many modes of transport sharing and competing for limited road space. This work intends to understand how space distributions for modes and interactions among modes affect network traffic performance. While ...

Elsevier2013

Time-dependent area-based pricing for multimodal systems with heterogeneous users in an agent-based environment

Nikolaos Geroliminis, Nan Zheng

In this paper, we investigate an area-based pricing scheme for congested multimodal urban networks with the consideration of user heterogeneity. We propose a time-dependent pricing scheme where the tolls are iteratively adjusted through a Proportional-Inte ...

Elsevier2016

Modeling and optimization of multimodal urban networks with limited parking and dynamic pricing

Nikolaos Geroliminis, Nan Zheng

Cruising-for-parking constraints mobility in urban networks. Car-users may have to cruise for on-street parking before reaching their destinations. The accessibility and the cost of parking significantly influence people's travel behavior (such as mode cho ...

Elsevier2016

Perimeter flow control in bi-modal urban road networks: A robust feedback control approach

Nikolaos Geroliminis, Nan Zheng, Konstantinos Ampountolas

n this paper, we integrate a three-dimensional Macroscopic Fundamental Diagram (3D-MFD) modelling for mixed bi-modal urban traffic in a control framework for congested urban regions. The 3D-MFD relates the accumulation of cars and buses and the outflow (or ...

IEEE2014

Macroscopic Approach for Optimizing Road Space Allocation of Bus Lanes in Multimodal Urban Networks Through Simulation Analysis

Nikolaos Geroliminis, Nan Zheng

National Academy of Sciences2017

Nan Zheng

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A Dynamic Network Approach for Multimodal Urban Mobility : Modeling, Pricing and Control

A three-dimensional macroscopic fundamental diagram for mixed bi-modal urban networks

A Dynamic Cordon Pricing Scheme combining a Macroscopic and an Agent-based traffic Models

Empirical analysis of large-scale multimodal traffic with multi-sensor data

Area-based equitable pricing strategies for multimodal urban networks with heterogeneous users

A systematic analysis of multimodal transport systems with road space distribution and responsive bus service

On the distribution of urban road space for multimodal congested networks

Time-dependent area-based pricing for multimodal systems with heterogeneous users in an agent-based environment

Modeling and optimization of multimodal urban networks with limited parking and dynamic pricing

Perimeter flow control in bi-modal urban road networks: A robust feedback control approach

Macroscopic Approach for Optimizing Road Space Allocation of Bus Lanes in Multimodal Urban Networks Through Simulation Analysis

Robust control of bi-modal multi-region urban networks: An LMI optimisation approach

Area-Based Pricing Scheme for Multimodal Systems and Heterogeneous Users in an Agent-based Environment

Dynamic Cordon Pricing Scheme Combining Macroscopic and Agent-Based Traffic Models

Traffic performance and road space allocation in multimodal urban networks with an MFD representation

A Dynamic Cordon Pricing Model – A Robust and Effective Road Pricing Model

A time-dependent area-based pricing scheme for multimodal urban networks with user adaptation: An agent-based approach

Macroscopic modelling and robust control of bi-modal multi-region urban road networks

Investigation of the existence of city-scale three-dimensional Macroscopic Fundamental Diagrams for bi-modal traffic

Area-Based Equitable Pricing Strategies for Multimodal Urban Networks with Heterogeneous Users