Abstract
In this study, we propose an H state feedback controller for freeway traffic flow. The integrated freeway traffic flow management scheme is applied through coordination of ramp metering and variable speed limit. In order to improve the service characteristics of mainstream and on-ramps, we have designed a controller that sustains the mainstream flow around a critical density while concerning the on-ramp queue lengths. We have used the state space discretized ODE model of traffic flow to design continuous-time feedback controllers. The performance of the controller is validated on a micro-simulation environment which is calibrated by field data. The simulation results show that the H controller decreases the average densities and the average queue lengths on on-ramps.
Original language | English |
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Pages (from-to) | 19-24 |
Number of pages | 6 |
Journal | IFAC-PapersOnLine |
Volume | 54 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2021 |
Event | 16th IFAC Symposium on Control in Transportation Systems CTS 2021 - Lille, France Duration: 8 Jun 2021 → 10 Jun 2021 |
Bibliographical note
Publisher Copyright:© 2021 The Authors.
Funding
The work summarized in this paper is supported in part by The Scientific & Technological Research Council of Turkey (TÜB˙TAK) under the project with no. 120M576. First author would like to express his acknowledgement to PTV AG by providing the license of the microscopic traffic simulator VISSIM.
Funders | Funder number |
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Türkiye Bilimsel ve Teknolojik Araştirma Kurumu | 120M576 |
Keywords
- H control
- Traffic modelling
- control
- ramp metering
- variable speed limit