期刊
TRANSPORTMETRICA B-TRANSPORT DYNAMICS
卷 11, 期 1, 页码 1406-1431出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/21680566.2023.2215957
关键词
Eco-driving; reinforcement learning; connected vehicles; signalized intersections
This paper proposes an eco-driving framework for electric connected vehicles (CVs) based on reinforcement learning (RL) to improve vehicle energy efficiency at signalized intersections. The framework integrates car-following policy, lane-changing policy, and RL policy to ensure safe operation. A Markov Decision Process (MDP) is formulated to optimize the car-following and lane-changing behaviors of CVs. The proposed methods are evaluated in SUMO software and show significant reduction in energy consumption without interrupting other human-driven vehicles (HDVs).
This paper proposes an eco-driving framework for electric connected vehicles (CVs) based on reinforcement learning (RL) to improve vehicle energy efficiency at signalized intersections. The vehicle agent is specified by integrating the model-based car-following policy, lane-changing policy, and RL policy, to ensure the safe operation of a CV. Subsequently, a Markov Decision Process (MDP) is formulated, which enables the vehicle to perform longitudinal control and lateral decisions, jointly optimizing the car-following and lane-changing behaviours of the CVs in the vicinity of intersections. Then, the hybrid action space is parameterized as a hierarchical structure and thereby trains the agents with two-dimensional motion patterns in a dynamic traffic environment. Finally, our proposed methods are evaluated in SUMO software from both a single-vehicle-based perspective and a flow-based perspective. The results show that our strategy can significantly reduce energy consumption by learning proper action schemes without any interruption of other human-driven vehicles (HDVs).
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