Adaptive Impedance Matching of Wireless Power Transmission Using Multi-Loop Feed With Single Operating Frequency

doi:10.1109/tap.2014.2307340

Cited by 37 publications

(2 citation statements)

References 10 publications

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“…In this paper, we propose a design of the switchable coil L V , where the optimal inductance value can be selected using switches to improve region of matchable impedances and efficiency [8], [11], [12]. We have fabricated a switchable driving coil L V and resonating coil L T on each side of a two-layer PCB with FR4 substrate.…”

Section: Introductionmentioning

confidence: 99%

Design of a switchable driving coil for Magnetic Resonance Wireless Power Transfer

Zhaksylyk

Hanke

Azadmehr

2019

2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)

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This paper presents design and analysis of a switchable inductor suited for active impedance matching in magnetic resonance wireless power transfer systems. The switchable inductor is compact and can be used as both driving coil at the transmitter side and load coil at the receiver side. We first present the concept through design, simulation and measurement of a three loops coil. This model of the switchable coil is used to study the internal couplings between the loops. The coil was fabricated on PCB with inductances between 130-324 nH. In addition, we demonstrate a ten-loop switchable coil for driving a high Q-factor resonance with an almost linear increase in their mutual inductances, which is verified by measurement results.

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Section: Introductionmentioning

confidence: 99%

Design of a switchable driving coil for Magnetic Resonance Wireless Power Transfer

Zhaksylyk

Hanke

Azadmehr

2019

2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer (WoW)

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“…Single-source and single-load systems with impedance matching and frequency tracking have been researched extensively in regards to improve transmission efficiency in the mid-range MCR-WPT systems [5,6]. In [7], defined the mid-range the MCR-WPT systems of wireless power transfer as transmission distance r any greater than three times the diameter d of the primary or secondary; that is, d=r > 3, and the transmission efficiency decays exponentially as the transfer distance increases. The transmission distance of the single-source and single-load system is still a critical constraint upon wireless power transfer [8,9].…”

Section: Introductionmentioning

confidence: 99%

A novel dumbbell-shaped coil featured with cross coupling suppression for long distance relay wireless power transfer applications

Zhang

Luo

et al. 2017

IEICE Electron. Express

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The use of multi-resonators for medium-range wireless power transfer (WPT) systems is an important concern; the cross-couplings between non-adjacent coils have an adversely impact on the transmission distance and efficiency of the system. This paper proposes a dumbbell-shaped (DS) coil in a WPT system. The DS coil structure was analyzed theoretically and verified experimentally. The proposed scheme eliminates cross-couplings between non-adjacent coils in the multiple resonator system to resolve frequency drift, and improve the transmission distance and efficiency in the multiple resonator system. The scheme features a coplanar structure which can secure direct-coupling and save space when applied in the home, office, and public areas.

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Application of Wavelets and Machine Learning Techniques to Electromagnetic Problems

Goswami,

Tentzeris

2024

Encyclopedia of RF and Microwave Engineering

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In this article, we discuss some wavelet applications to electromagnetic problems, provide an overview of wavelet theory, solve integral equations developing from electromagnetic scattering and transmission‐line problems, and consider differential equations. Examples from geophysical applications are also included. Combined wavelet‐machine learning technique is presented for numerical modeling.

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Adaptive Impedance Matching of Wireless Power Transmission Using Multi-Loop Feed With Single Operating Frequency

Cited by 37 publications

References 10 publications

Design of a switchable driving coil for Magnetic Resonance Wireless Power Transfer

Design of a switchable driving coil for Magnetic Resonance Wireless Power Transfer

A novel dumbbell-shaped coil featured with cross coupling suppression for long distance relay wireless power transfer applications

Application of Wavelets and Machine Learning Techniques to Electromagnetic Problems

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