Passivity-Based PI Control for Receiver Side of Dynamic Wireless Charging System in Electric Vehicles

被引:52
作者
Liu, Jia [1 ]
Liu, Zhitao [1 ]
Su, Hongye [1 ]
机构
[1] Zhejiang Univ, Inst Cyber Syst & Control, State Key Lab Ind Control Technol, Hangzhou 310027, Peoples R China
基金
中国国家自然科学基金; 国家重点研发计划;
关键词
Coils; Receivers; Couplings; Transmitters; Vehicle dynamics; Topology; Regulation; Coupling coefficient; dynamic wireless charging; electric vehicles (EVs); passivity-based control (PBC); receiver side; POWER TRANSFER; CONVERTERS;
D O I
10.1109/TIE.2021.3050350
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
The dynamic wireless charging for electric vehicles (EVs) is considered an efficient and practical choice to extend the driving range and reduce battery pack size. However, the coupling coefficient between transmitter coils and receiver coil varies rapidly on a large scale during the EVs moving, so it deteriorates the charging performance of dynamic wireless power transfer in EVs, such as the discontinuous charging for the lithium-ion batteries in EVs. Moreover, the charging power and efficiency of the system can also be affected. To solve these issues, a dc-dc converter is added to cascade on the receiver side to improve the output power and efficiency of the system. Furthermore, the passivity-based proportional-integral control is designed for the dc-dc on the receiver side of dynamic wireless charging system to improve the performance against the rapidly changing coupling coefficient. Finally, compared with the conventional proportional-integral-derivative controller, simulation and experimental results are given to show the performance and robustness of dynamic wireless charging system by the proposed method.
引用
收藏
页码:783 / 794
页数:12
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