Chinese Journal of Mechanical Engineering | |
A Combined Reinforcement Learning and Model Predictive Control for Car-Following Maneuver of Autonomous Vehicles | |
Original Article | |
Hong Chen1  Liwen Wang2  Yanjun Huang2  Shuo Yang3  Kang Yuan4  | |
[1]College of Electronic and Information Engineering, Tongji University, 201804, Shanghai, China | |
[2]School of Automotive Studies, Tongji University, 201804, Shanghai, China | |
[3]School of Automotive Studies, Tongji University, 201804, Shanghai, China | |
[4]Shanghai Institute of Intelligent Science and Technology, Tongji University, 201804, Shanghai, China | |
[5]Shanghai Institute of Intelligent Science and Technology, Tongji University, 201804, Shanghai, China | |
[6]College of Electronic and Information Engineering, Tongji University, 201804, Shanghai, China | |
关键词: Model predictive control; Reinforcement learning; Autonomous vehicles; | |
DOI : 10.1186/s10033-023-00904-7 | |
received in 2022-12-20, accepted in 2023-06-08, 发布年份 2023 | |
来源: Springer | |
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【 摘 要 】
Model predictive control is widely used in the design of autonomous driving algorithms. However, its parameters are sensitive to dynamically varying driving conditions, making it difficult to be implemented into practice. As a result, this study presents a self-learning algorithm based on reinforcement learning to tune a model predictive controller. Specifically, the proposed algorithm is used to extract features of dynamic traffic scenes and adjust the weight coefficients of the model predictive controller. In this method, a risk threshold model is proposed to classify the risk level of the scenes based on the scene features, and aid in the design of the reinforcement learning reward function and ultimately improve the adaptability of the model predictive controller to real-world scenarios. The proposed algorithm is compared to a pure model predictive controller in car-following case. According to the results, the proposed method enables autonomous vehicles to adjust the priority of performance indices reasonably in different scenarios according to risk variations, showing a good scenario adaptability with safety guaranteed.【 授权许可】
CC BY
© The Author(s) 2023
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