Eco-driving control for connected and automated vehicles (CAVs) aims to co-optimize energy efficiency, ride comfort, and travel time while adhering to safety regulations. Model-based eco-driving strategies have proven robust and effective in simplified traffic scenarios. However, their application to complex tasks incurs high computational costs due to their reliance on precise nonlinear models that accurately reflect real-world physical systems. Model free deep reinforcement learning (DRL) methods exhibit potential in addressing challenges presented by high-dimensional state/action spaces encountered in real-time CAV control. Nevertheless, they require extensive training data and time, and are susceptible to getting stuck in suboptimal solutions, especially in complex urban traffic scenarios. To leverage the advantages of both model-based controllers and DRL algorithms, this study develops a novel model based controller online assisted-twin delayed deep deterministic policy gradient algorithm (MCOA-TD3) algorithm. The proposed algorithm integrates imitation learning into the Vanilla TD3 agent. During training, the MCOA-TD3 agent can learn from demonstrations generated by a model predictive control-based expert controller. The performance of the proposed strategy is evaluated through simulations conducted in a dynamic traffic simulation scenario replicating the testfield of Hamburg, Germany. The results show that our proposed strategy improves energy efficiency and ride comfort while maintaining comparable driving times to the Vanilla TD3 strategy. Notably, compared with the Vanilla TD3 strategy, our proposed strategy demonstrates superior adaptability and online fine-tuning ability. These improvements make it more suitable for complex and dynamic real-world scenarios.
Intelligent Eco-Driving Control for Urban CAVs Using a Model-Based Controller Assisted Deep Reinforcement Learning
IEEE Transactions on Intelligent Transportation Systems ; 26 , 6 ; 7624-7639
2025-06-01
4093888 byte
Article (Journal)
Electronic Resource
English
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