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Suppl. Mater.: 

CLC number: TM724

On-line Access: 2024-05-06

Received: 2022-12-26

Revision Accepted: 2024-05-06

Crosschecked: 2023-08-06

Cited: 0

Clicked: 432

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Hany A. ATALLAH

https://orcid.org/0000-0001-5541-2326

Rasha Hussein AHMED

https://orcid.org/0000-0003-0753-1907

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Frontiers of Information Technology & Electronic Engineering  2024 Vol.25 No.4 P.616-628

http://doi.org/10.1631/FITEE.2200664


Novel design of a compact tunable dual band wireless power transfer (TDB-WPT) system for multiple WPT applications


Author(s):  Hany A. ATALLAH, Rasha Hussein AHMED, Adel B. ABDEL-RAHMAN

Affiliation(s):  Department of Communications and Electronics, Faculty of Engineering, South Valley University, Qena83523,Egypt; more

Corresponding email(s):   hany.mohamed@ejust.edu.eg, rasha.h.ahmed@eng.svu.edu.eg, adel.bedair@ejust.edu.eg

Key Words:  Defected ground structure (DGS), Surface-mounted, Tunable dual band wireless power transfer (TDB-WPT), Varactor


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Hany A. ATALLAH, Rasha Hussein AHMED, Adel B. ABDEL-RAHMAN. Novel design of a compact tunable dual band wireless power transfer (TDB-WPT) system for multiple WPT applications[J]. Frontiers of Information Technology & Electronic Engineering, 2024, 25(4): 616-628.

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Abstract: 
In this study we present the design and realization of a tunable dual band wireless power transfer (TDB-WPT) coupled resonator system. The frequency response of the tunable band can be controlled using a surface-mounted varactor. The transmitter (Tx) and the receiver (Rx) circuits are symmetric. The top layer contains a feed line with an impedance of 50 Ω. Two identical half rings defected ground structures (HR-DGSs) are loaded on the bottom using a varactor diode. We propose a solution for restricted WPT systems working at a single band application according to the operating frequency. The effects of geometry, orientation, relative distance, and misalignments on the coupling coefficients were studied. To validate the simulation results, the proposed TDB-WPT system was fabricated and tested. The system occupied a space of 40 mm×40 mm. It can deliver power to the receiver with an average coupling efficiency of 98% at the tuned band from 817 to 1018 MHz and an efficiency of 95% at a fixed band of 1.6 GHz at a significant transmission distance of 22 mm. The results of the measurements accorded well with those of an equivalent model and the simulation.

多用途新颖紧凑可调谐双频无线电能传输系统设计

Hany A. ATALLAH1, Rasha Hussein AHMED1, AdelB.ABDEL-RAHMAN2
1南谷大学工程学院通信与电子学系,埃及奎那,83523
2埃及-日本科技大学,埃及亚历山大,21934
摘要:本文设计并实现了一个可调谐双频无线电能传输耦合谐振器系统。可调谐波段的频率响应可以使用表面贴装变容二极管进行控制。发射器和接收器电路是对称的。顶层包含一个阻抗为50Ω的馈线。通过使用变容二极管,两个相同的半环缺陷接地结构被加载在底部。针对工作在单频段(基于工作频率)的受限无线电能传输系统,提出一种解决方案。研究了几何形状、方向、相对距离和偏移对耦合系数的影响。为验证仿真结果,制作并测试了所提可调谐双频无线电能传输系统。系统面积为40 mm×40 mm。在有效传输距离为22 mm时,在817~1018 MHz调谐频段,以98%的平均耦合效率向接收器输送电能,在1.6 GHz固定频段,效率为95%。测量结果与等效模型的模拟结果吻合较好。

关键词:缺陷接地结构;表面贴装;可调谐双频无线电能传输;变容二极管

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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