DYNAMIC SYSTEMS AND SIMULATION
LABORATORY

Department of Production Engineering & Management

Technical University of Crete

INVESTIGATION OF SOME DECENTRALIZED ROUTE GUIDANCE STRATEGIES FOR TRAFFIC CORRIDORS

by

YANNIS PAVLIS and MARKOS PAPAGEORGIOU

INTERNAL REPORT No: 1997-13

Chania, Greece
July 1997

 

Contents

1. Introduction

2. Modelling Approach

2.1 General Definitions
2.2 Modelling of Network Nodes
2.3 Dynamic Modelling of Network Links

2.3.1 Global Link Variables
2.3.2 Destination Oriented Variables

2.4 Integrated Dynamic Network Model
2.5 Physical Significance of Splitting Rates
2.6 Dynamic System Optimum via Non-linear Optimal Control
2.7 Dynamic User Optimum
2.8 Individual Cost: The Predictive Travel Time vs. ReactiveTravel Time Approach
2.9 Generalisation of Dynamic User Optimum Conditions
2.10 Performance Criteria

3. Control Strategy Design

3.1 Model Simplifications for Control Design
3.2 P-Controller
3.2.1 Bang-Bang Controller
3.3 PI-Controller

4. Experimental Set up

4.1 Description of the Small Size Corridor Network
4.2 Description of the Medium Size Corridor Network

5. Simulation Results

5.1 Small Size Network - Constant Demand Scenario
5.2 Small Size Network - Constant Demand Scenario: The Incident Case
5.3 Small Size Network - Trapezoid Demand Scenario
5.4 Small Size Network - Trapezoid Demand Scenario: The Incident Case
5.5 Medium Size Network - Constant Demand Scenario
5.6 Medium Size Network - Constant Demand Scenario: The Incident Case

6. Conclusions

References