Hierarchical speed planning and energy management for autonomous plug-in hybrid electric vehicle in vehicle-following environment

被引:36
|
作者
Liu, Yonggang [1 ,2 ]
Huang, Bin [1 ,2 ]
Yang, Yang [1 ,2 ]
Lei, Zhenzhen [3 ]
Zhang, Yuanjian [4 ]
Chen, Zheng [5 ]
机构
[1] Chongqing Univ, State Key Lab Mech Transmiss, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Coll Mech & Vehicle Engn, Chongqing 400044, Peoples R China
[3] Chongqing Univ Sci & Technol, Sch Mech & Power Engn, Chongqing 401331, Peoples R China
[4] Loughborough Univ, Dept Aeronaut & Automot Engn, Loughborough LE11, Leics, England
[5] Kunming Univ Sci & Technol, Fac Transportat Engn, Kunming 650500, Peoples R China
基金
中国国家自然科学基金;
关键词
Autonomous driving; Plug-in hybrid electric vehicle (PHEV); State of charge (SOC) reference; Adaptive equivalent consumption minimization strategy (A-ECMS); Hardware-in-the-loop (HIL) experiment; CONSUMPTION MINIMIZATION STRATEGY; FUEL-ECONOMY; OPTIMIZATION;
D O I
10.1016/j.energy.2022.125212
中图分类号
O414.1 [热力学];
学科分类号
摘要
In this paper, a hierarchical energy management control strategy is investigated for autonomous plug-in hybrid electric vehicle in vehicle-following environment. With the target of safety and comfort, the designed algorithm is divided into two layers. The grey neural network is leveraged in the upper layer controller to predict the future speed trend of preceding vehicle, and the target speed of ego vehicle is planned by fuzzy adaptive control algorithm. By combining with the planned state of charge reference trajectory, genetic algorithm is exploited in the adaptive equivalent consumption minimization strategy-based lower layer controller to determine the initial equivalent factor map by offline iterative calculation, and the fuzzy logic algorithm is employed to update the equivalent factor in real time according to the state of charge difference. Finally, the simulation and hardware-in-the-loop experiment are conducted to validate the performance of the proposed strategy. The simulation results highlight the capability of the proposed strategy in solving multi-objective optimization for autonomous plug-in hybrid electric vehicle in vehicle-following environment, and the experiment results validate that the energy consumption economy of the proposed strategy reaches 95.43% optimality of the results derived by dynamic programming while ensuring the satisfied driving comfort and safety.
引用
收藏
页数:14
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