卡西姆
控制理论(社会学)
控制器(灌溉)
汽车工程
扭矩
滑移角
计算机科学
能源管理
再生制动器
车辆动力学
工程类
打滑(空气动力学)
能量(信号处理)
控制工程
控制(管理)
制动器
方向盘
生物
农学
数学
统计
人工智能
航空航天工程
热力学
物理
作者
Bin Zhao,Ruijun Liu,Dapai Shi,Shipeng Li,Qingling Cai,Wencheng Shen
出处
期刊:Processes
[MDPI AG]
日期:2022-06-30
卷期号:10 (7): 1292-1292
被引量:5
摘要
In order to further improve the stability of path tracking control and fuel economy of new energy vehicles, an optimal control strategy of path tracking and braking energy recovery is proposed. First, a model predictive controller is designed based on the three-degrees of freedom dynamics model of the vehicle according to the idea of hierarchical control, and a fuzzy yaw torque controller is established with the desired yaw velocity and side slip angle of the mass center as constraints. Second, at high-speed driving conditions, the executive layer of the component distributes the braking torque according to the braking energy recovery control strategy. Finally, the optimal control strategy of path tracking and braking energy recovery is verified by Carsim/Advisor/Simulink software under different driving speeds. The results show that the optimized control strategy can improve the tracking accuracy and driving stability of a vehicle with large curvature turning and further improve the fuel economy of new energy vehicles under the premise of meeting the control requirements.
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