Search Results - "Ahn, Seungyoung"

Design and Analysis of a Resonant Reactive Shield for a Wireless Power Electric Vehicle by Kim, Seonghwan, Park, Hyun-Ho, Kim, Jonghoon, Kim, Jingook, Ahn, Seungyoung

“…In this paper, we propose the concept and design methodology for a resonant reactive shield for the reduction of magnetic field leakage from a wireless power…”
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EMI Reduction Methods in Wireless Power Transfer System for Drone Electrical Charger Using Tightly Coupled Three-Phase Resonant Magnetic Field by Song, Chiuk, Kim, Hongseok, Kim, Youngwoo, Kim, Donghyun, Jeong, Seungtaek, Cho, Yeonje, Lee, Seongsoo, Ahn, Seungyoung, Kim, Joungho

“…Wireless power transfer (WPT) technology is a promising way for convenient and safe battery charging without any electrical contact, which may cause an…”
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Design and Implementation of Shaped Magnetic-Resonance-Based Wireless Power Transfer System for Roadway-Powered Moving Electric Vehicles by Shin, Jaegue, Shin, Seungyong, Kim, Yangsu, Ahn, Seungyoung, Lee, Seokhwan, Jung, Guho, Jeon, Seong-Jeub, Cho, Dong-Ho

“…In this paper, the design and implementation of a wireless power transfer system for moving electric vehicles along with an example of an online electric…”
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Coil Design and Shielding Methods for a Magnetic Resonant Wireless Power Transfer System by Kim, Jiseong, Kim, Jonghoon, Kong, Sunkyu, Kim, Hongseok, Suh, In-Soo, Suh, Nam Pyo, Cho, Dong-Ho, Kim, Joungho, Ahn, Seungyoung

“…In this paper, we introduce the basic principles of wireless power transfer using magnetic field resonance and describe techniques for the design of a resonant…”
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Assessment of Human Exposure to Electromagnetic Fields: Review and Future Directions by Hirata, Akimasa, Diao, Yinliang, Onishi, Teruo, Sasaki, Kensuke, Ahn, Seungyoung, Colombi, Davide, De Santis, Valerio, Laakso, Ilkka, Giaccone, Luca, Wout, Joseph, Rashed, Essam, Kainz, Wolfgang, Chen, Ji

“…This article reviews recent standardization activities and scientific studies related to the assessment of human exposure to electromagnetic fields (EMF). The…”
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Design of a Resonant Reactive Shield With Double Coils and a Phase Shifter for Wireless Charging of Electric Vehicles by Moon, Hwansoo, Kim, Sungkyu, Park, Hyun Ho, Ahn, Seungyoung

“…In this paper, a novel resonant reactive shield using a double-shield coil and phase-shift circuit is proposed to reduce magnetic field leakage in electric…”
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Dual Loop Reactive Shield Application of Wireless Power Transfer System for Leakage Magnetic Field Reduction and Efficiency Enhancement by Kim, Jedok, Ahn, Seungyoung

“…The wireless power transfer (WPT) system generates a high density leakage electromagnetic field (EMF) during its operation. Exposure to leakage EMF has adverse…”
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Coil Design and Measurements of Automotive Magnetic Resonant Wireless Charging System for High-Efficiency and Low Magnetic Field Leakage by Hongseok Kim, Chiuk Song, Dong-Hyun Kim, Jung, Daniel H., In-Myoung Kim, Young-Il Kim, Jonghoon Kim, Seungyoung Ahn, Joungho Kim

“…For wireless charging of electric vehicle (EV) batteries, high-frequency magnetic fields are generated from magnetically coupled coils. The large air-gap…”
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A Resonant Reactive Shielding for Planar Wireless Power Transfer System in Smartphone Application by Park, Jaehyoung, Kim, Dongwook, Hwang, Karam, Park, Hyun Ho, Kwak, Sang Il, Kwon, Jong Hwa, Ahn, Seungyoung

“…Demand and interest in wireless power transfer (WPT) have been rapidly increasing lately. However, WPT systems have problems with electromagnetic field (EMF)…”
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Selection of Ferrite Depending on Permeability and Weight to Enhance Power Transfer Efficiency in Low-Power Wireless Power Transfer Systems by Rhee, Jaewon, Woo, Seongho, Lee, Changmin, Ahn, Seungyoung

“…With advancements in the field of electrical engineering, various low-power portable electronic devices have been commercialized. To eliminate and unify…”
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Separated Circular Capacitive Coupler for Reducing Cross-Coupling Capacitance in Drone Wireless Power Transfer System by Park, Chanjun, Park, Jaehyoung, Shin, Yujun, Kim, Jongwook, Huh, Sungryul, Kim, Dongwook, Park, Sangwook, Ahn, Seungyoung

“…Capacitive power transfer (CPT) system can be employed for wireless charging of drone applications. However, in the CPT system, cross-coupling capacitance…”
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Simulation-Based Feasibility Study on the Wireless Charging Railway System With a Ferriteless Primary Module by Lee, Seung Beop, Ahn, Seungyoung, Jang, In Gwun

“…Wireless charging railway (WCR) systems have been recently introduced to solve the drawbacks of conventional electric locomotives such as noise, wear, arching,…”
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Novel Resonance-Based Wireless Power Transfer Using Mixed Coupling by Park, SangWook, Ahn, Seungyoung

“…This study presents an equivalent circuit model for the analysis of wireless power transfer (WPT) through both electric and magnetic couplings using merely a…”
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Planar multiresonance reactive shield for reducing electromagnetic interference in portable wireless power charging application by Park, Jaehyoung, Park, Chanjun, Shin, Yujun, Kim, Dongwook, Park, Bumjin, Cho, Jaeyong, Choi, Junsung, Ahn, Seungyoung

“…Wireless power transfer (WPT) technologies are currently growing in popularity because of problems with batteries in portable devices, such as the added weight…”
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Wireless Power Transfer-Based Microrobot with Magnetic Force Propulsion Considering Power Transfer Efficiency by Kim, Dongwook, Ahn, Seungyoung

“…A microrobot that could continuously receive both electrical energy and propulsion force from a wireless power transfer system would offer tremendous benefits…”
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A Simple Equivalent Circuit Model for Shielding Analysis of Magnetic Sheets Based on Microstrip Line Measurement by Park, Hyun Ho, Kwon, Jong Hwa, Ahn, Seungyoung

“…This paper presents a simple equivalent circuit model for estimating shielding performance of thin and flexible magnetic sheets or films, which are commonly…”
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A Three-Phase Wireless-Power-Transfer System for Online Electric Vehicles With Reduction of Leakage Magnetic Fields by Kim, Minho, Kim, Hongseok, Kim, Dongwook, Jeong, Yongmin, Park, Hyun-Ho, Ahn, Seungyoung

“…Wireless charging of electric vehicles based on wireless power transfer (WPT) has become increasingly popular in recent years. However, a leakage…”
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Single-Sided Near-Field Wireless Power Transfer by A Three-Dimensional Coil Array by Hajiaghajani, Amirhossein, Ahn, Seungyoung

“…Wirelessly powered medical microrobots are often driven or localized by magnetic resonance imaging coils, whose signal-to-noise ratio is easily affected by the…”
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A Reduction Method of Phantom Shell Effects for APD Extraction Using Negative Permittivity Material by Lee, Changmin, Rhee, Jaewon, Kwon, Hyukchoon, Park, Yongho, Ahn, Seungyoung

“…This paper proposes a method to reduce phantom shell effects that occur during the absorbed power density (APD) derivation using a negative permittivity…”
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Thin PCB-Type Metamaterials for Improved Efficiency and Reduced EMF Leakage in Wireless Power Transfer Systems by Yeonje Cho, Kim, Jonghoon J., Dong-Hyun Kim, Seongsoo Lee, Hongseok Kim, Chiuk Song, Sunkyu Kong, Hyoungjun Kim, Chulhun Seo, Seungyoung Ahn, Joungho Kim

“…Current wireless power transfer (WPT) technology can only allow power transfer over a limited distance because, as the distance between the transmitter (Tx)…”
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