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A lateral positioning strategy for connected and automated vehicles in lane-free traffic

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Πολυτεχνείο Κρήτης   

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Ιδρυματικό Αποθετήριο Πολυτεχνείου Κρήτης   

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A lateral positioning strategy for connected and automated vehicles in lane-free traffic (EN)
Φαρος Ιωαννης (EL)
Τυπαλδος Παναγιωτης (EL)
Παπαμιχαηλ Ιωαννης (EL)
Παπαγεωργιου Μαρκος (EL)
Yanumula Karteek (EL)
Faros Ioannis (EN)
Typaldos Panagiotis (EN)
Papageorgiou Markos (EN)
Papamichail Ioannis (EN)
Yanumula Venkata-Karteek (EN)
short paper
conferenceItem
2022
An optimal-control based path planning algorithm has been developed recently for Connected and Automated Vehicles (CAVs) driving on a lane-free highway, including vehiclenudging. That vehicle movement strategy considers, in the lateral direction, a lateral desired speed that had been set to zero in previous works; in other words, vehicles avoid lateral movement if this is not helpful in achieving some of their goals, e.g. achieving a longitudinal desired speed by overtaking slower vehicles. In this work, a lateral positioning strategy for the vehicles is proposed, aiming to improve the vehicles’ longitudinal speeds and the traffic flow, mainly at intermediate densities, by distributing laterally the vehicles based on their longitudinal desired speeds. The intention is to leverage the existing optimal control formulation to move the CAVs to appropriate lateral positions, while respecting other, higher-priority sub-objectives, such as avoiding crashes. First, the longitudinal desired speed of each vehicle is mapped to a lateral desired position under the premise “faster vehicles drive farther left”. Then, the value of the desired lateral speed is updated in real-time in dependence on the vehicle’s current versus the desired lateral position, letting the optimal control problem, with the given sub-objective priorities, decide on the actual vehicle path. The proposed strategy is demonstrated via traffic simulations, involving various traffic densities, on a ring-road. Several quantities, such as the reached average flows and statistical measures of the error in the lateral position are computed for evaluation and comparison purposes. (EN)
Automated vehicles (EN)
Lane-free traffic (EN)
Lateral control strategy (EN)
4th Symposium on Management of Future Motorway and Urban Traffic Systems (EL)
Αγγλική γλώσσα
Technische Universität Dresden (EN)
Πολυτεχνείο Κρήτης (EL)
Technical University of Crete (EN)
Πολυτεχνείο Κρήτης
Ιδρυματικό Αποθετήριο Πολυτεχνείου Κρήτης
School of Electrical and Computer Engineering - Diploma Works
Distributed Multimedia Information Systems and Applications Laboratory - Diploma Works



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