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A Macroscopic Traffic Flow Model For Integrated Control Of Freeway And Urban Networks.pdf

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Preview of A Macroscopic Traffic Flow Model for Integrated Control of Freeway and Urban Networks
🔗 Source: dcsc.tudelft.nl
📊 Size: 273 KB
📄 Pages: 7 pages
⬇️ Downloads: 51

Summary

Integrated Traffic Control Model for Freeways and Urban Networks

This technical report by Van den Berg, Hegyi, De Schutter, and Hellendoorn (2003) proposes a macroscopic traffic flow model designed for the integrated control of mixed freeway and urban traffic networks.

Key Points:

Problem Statement: Growing vehicle volumes lead to increasing congestion in cities and on freeways. Traditional solutions like road construction are often impractical, prompting the need for more efficient dynamic management and control strategies.

Integrated Approach: The report advocates for a coordinated approach that considers both urban and freeway traffic simultaneously. This aims to prevent the shifting of congestion between different parts of the network.

Model Predictive Control (MPC): The authors propose using MPC, a control strategy that uses a model to predict future traffic flow, enabling proactive adjustments.

New Model Development:

Freeway Model: An extended version of the METANET model is used to simulate freeway traffic flow accurately and efficiently. This model divides freeway links into segments and considers factors like traffic density, speed, and outflow rates.
 Urban Model: A new model based on the Kashani model is developed for urban networks.
Interface Modeling: The report details how these two models interact at the interface between urban and freeway sections, creating a cohesive integrated network representation.

Computational Considerations: The model prioritizes accuracy while maintaining computational efficiency to enable real-time control within an MPC framework.

Overall Goal: To develop a traffic control system that optimizes overall network performance by balancing urban and freeway traffic operations, minimizing congestion, and preventing the transfer of congestion from one part of the network to another.

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Description

This technical report from Delft University of Technology presents a macroscopic traffic flow model for integrated control of freeway and urban networks, published in the 42nd IEEE Conference on Decision and Control in 2003. The research focuses on optimizing traffic management in both types of environments.

Technical Information

  • File Format: PDF
  • File Size: 273 KB
  • Pages: 7
  • Language: EN
  • Total Downloads: 51
  • Last Updated: 1 week ago

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