An Integrated Mutually Compensatory Dual Receiver for AGV Misalignment-Tolerant IPT Charging

被引:0
|
作者
Li, Guangyao [1 ]
Zhang, Hailong [2 ]
Chen, Yafei [3 ]
Xie, Junchen [4 ]
Jo, Cheol-Hee [4 ]
Zhu, Chunbo [5 ]
Cui, Shumei [5 ]
Kim, Dong-Hee [4 ]
机构
[1] Harbin Inst Technol, Zhengzhou Res Inst, Zhengzhou 450000, Peoples R China
[2] Qingdao Univ Technol, Qingdao 266525, Peoples R China
[3] Zhengzhou Univ Light Ind, Zhengzhou 450002, Peoples R China
[4] Chonnam Natl Univ, Gwangju 61186, South Korea
[5] Harbin Inst Technol, Harbin 150001, Peoples R China
关键词
Receivers; Magnetic flux; Coils; Inductance; Couplers; Transmitters; Topology; Ferrites; Couplings; Fluctuations; Inductive power transfer; integrated decoupling dual receiver; constant current (CC); misalignment tolerance (MT);
D O I
10.1109/TCSII.2024.3474676
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The inevitable misalignment of magnetic couplers presents a substantial challenge to the power transmission and efficiency of inductive power transfer (IPT) systems. In this brief, an integrated mutually compensated dual receiver (IMCDR) IPT system for automated guided vehicles with high-efficiency constant current (CC) charging over a large misalignment tolerance (MT) range is proposed. The dual-channel receiver comprises two solenoid coils perpendicularly wound to each other to capture the magnetic flux along the y- and z-axes generated by the transmitter. In this way, two mutual inductances with opposite changing trends are utilized to synthesize an equivalent mutual inductance (M-eq) over an MT range. Further, the proposed IMCDR structure was optimized using the finite element method to obtain the optimal receiver length and M(eq )fluctuation rate. Finally, a 535-W/85-kHz experimental prototype was conducted. Experimental results showed that the proposed IPT system can maintain the output current fluctuation rate within 5.82% with fixed duty/frequency condition when operating over a 172% MT range, and the system efficiency ranges from 88.42% to 90.67%.
引用
收藏
页码:313 / 317
页数:5
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