Optimization-based Coordination of Traffic Lights and Automated Vehicles at Intersections
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866929695837126656 |
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| author | Dabiri, Azita Önür, Giray Gros, Sebastien De Schutter, Bart |
| author_facet | Dabiri, Azita Önür, Giray Gros, Sebastien De Schutter, Bart |
| contents | This paper tackles the challenge of coordinating traffic lights and automated vehicles at signalized intersections, formulated as a constrained finite-horizon optimal control problem. The problem falls into the category of mixed-integer nonlinear programming, posing challenges for solving large instances. To address this, we introduce a decomposition approach consisting of an upper-level problem for traffic light timing allocation and a set of lower-level problems that generate appropriate commands for automated vehicles in each intersection movement. By leveraging solutions from the lower-level problems and employing parametric optimization techniques, we solve the upper-level problem using a standard sequential quadratic programming approach. The paper concludes by presenting an illustrative numerical example that highlights the effectiveness of our algorithm compared to scenarios where no coordination between traffic lights and vehicles exists. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2502_01315 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Optimization-based Coordination of Traffic Lights and Automated Vehicles at Intersections Dabiri, Azita Önür, Giray Gros, Sebastien De Schutter, Bart Optimization and Control Systems and Control This paper tackles the challenge of coordinating traffic lights and automated vehicles at signalized intersections, formulated as a constrained finite-horizon optimal control problem. The problem falls into the category of mixed-integer nonlinear programming, posing challenges for solving large instances. To address this, we introduce a decomposition approach consisting of an upper-level problem for traffic light timing allocation and a set of lower-level problems that generate appropriate commands for automated vehicles in each intersection movement. By leveraging solutions from the lower-level problems and employing parametric optimization techniques, we solve the upper-level problem using a standard sequential quadratic programming approach. The paper concludes by presenting an illustrative numerical example that highlights the effectiveness of our algorithm compared to scenarios where no coordination between traffic lights and vehicles exists. |
| title | Optimization-based Coordination of Traffic Lights and Automated Vehicles at Intersections |
| topic | Optimization and Control Systems and Control |
| url | https://arxiv.org/abs/2502.01315 |