Search Results - "Park, Jaehyoung"

Privacy-Preserving Federated Learning Using Homomorphic Encryption by Park, Jaehyoung, Lim, Hyuk

“…Federated learning (FL) is a machine learning technique that enables distributed devices to train a learning model collaboratively without sharing their local…”
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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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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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Quantitative Understanding of Ionic Channel Network Variation in Nafion with Hydration Using Current Sensing Atomic Force Microscopy by Kwon, Osung, Lee, Jihoon, Son, Hyungju, Park, Jaehyoung

“…Proton exchange membranes are an essential component of proton-exchange membrane fuel cells (PEMFC). Their performance is directly related to the development…”
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Majority Voting-Based MAC Protocol for Exploiting Link-Layer Diversity in Wireless Networks by Park, Jaehyoung, Kim, Yonggang, Kim, Gyungmin, Lim, Hyuk

“…In wireless local area networks (WLANs), the effect of interference signals between neighboring nodes increases as the number of wireless nodes using limited…”
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Vitamin C-induced CO2 capture enables high-rate ethylene production in CO2 electroreduction by Kim, Jongyoun, Lee, Taemin, Jung, Hyun Dong, Kim, Minkyoung, Eo, Jungsu, Kang, Byeongjae, Jung, Hyeonwoo, Park, Jaehyoung, Bae, Daewon, Lee, Yujin, Park, Sojung, Kim, Wooyul, Back, Seoin, Lee, Youngu, Nam, Dae-Hyun

“…High-rate production of multicarbon chemicals via the electrochemical CO 2 reduction can be achieved by efficient CO 2 mass transport. A key challenge for C−C…”
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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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Quantitative Study of Charge Distribution Variations on Silica-Nafion Composite Membranes under Hydration Using an Approximation Model by Kwon, Osung, Park, Jaehyoung, Lee, Jihoon

“…Understanding the ionic structure and charge transport on proton exchange membranes (PEMs) is crucial for their characterization and development. Electrostatic…”
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Analysis of Ionic Domain Evolution on a Nafion-Sulfonated Silica Composite Membrane Using a Numerical Approximation Model Based on Electrostatic Force Microscopy by Kwon, Osung, Park, JaeHyoung

“…It is important to characterize the proton transport mechanisms of proton exchange membranes (PEMs). Electrostatic force microscopy (EFM) is used to…”
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Analysis of Ionic Domains on a Proton Exchange Membrane Using a Numerical Approximation Model Based on Electrostatic Force Microscopy by Son, Byungrak, Park, JaeHyoung, Kwon, Osung

“…Understanding the ionic channel network of proton exchange membranes that dictate fuel cell performance is crucial when developing proton exchange membrane…”
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Generation of Magnetic Propulsion Force and Torque for Microrobot Using Wireless Power Transfer Coil by Kim, Dongwook, Park, Jaehyoung, Park, Hyun Ho, Ahn, Seungyoung

“…In this paper, we propose a microrobot powered by wireless power transfer (WPT) system which can generate propulsion force and torque as well as electrical…”
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Privacy-Preserving Reinforcement Learning Using Homomorphic Encryption in Cloud Computing Infrastructures by Park, Jaehyoung, Kim, Dong Seong, Lim, Hyuk

“…Reinforcement learning (RL) is a learning technique that enables state-dependent learning through feedback from an environment and makes an action decision for…”
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High-Efficiency Wireless Power and Force Transfer for a Micro-Robot Using a Multiaxis AC/DC Magnetic Coil by Kim, Dongwook, Hwang, Karam, Park, Jaehyoung, Park, Hyun Ho, Ahn, Seungyoung

“…In this paper, a high-efficiency wireless power transfer (WPT) and force transfer system for a micro-robot is proposed. Two-coil systems are employed to power…”
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An Autonomous Coil Alignment System for the Dynamic Wireless Charging of Electric Vehicles to Minimize Lateral Misalignment by Hwang, Karam, Cho, Jaeyong, Kim, Dongwook, Park, Jaehyoung, Kwon, Jong, Kwak, Sang, Park, Hyun, Ahn, Seungyoung

“…This paper proposes an autonomous coil alignment system (ACAS) for electric vehicles (EVs) with dynamic wireless charging (DWC) to mitigate the reduction in…”
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Design Considerations for Adding Series Inductors to Reduce Electromagnetic Field Interference in an Over-Coupled WPT System by Shin, Yujun, Park, Jaehyoung, Kim, Haerim, Woo, Seongho, Park, Bumjin, Huh, Sungryul, Lee, Changmin, Ahn, Seungyoung

“…This paper analyzes how over-coupled coils affect odd harmonic current and electromagnetic interference (EMI) in a wireless power transfer (WPT) system, and…”
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Optimization design of toroidal core for magnetic energy harvesting near power line by considering saturation effect by Park, Bumjin, Kim, Dongwook, Park, Jaehyoung, Kim, Kibeom, Koo, Jay, Park, HyunHo, Ahn, Seungyoung

“…Recently, magnetic energy harvesting technologies have been studied actively for self-sustainable operation of applications around power line. However,…”
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The Magnetic Energy Harvester With Improved Power Density Using Saturable Magnetizing Inductance Model for Maintenance Applications Near High Voltage Power Line by Park, Bumjin, Huh, Sungryul, Kim, Jongwook, Kim, Haerim, Shin, Yujun, Woo, Seongho, Park, Jaehyoung, Brito, Andres, Kim, Dongwook, Park, Hyun Ho, Jeong, Okhyun, Koo, Ja-Il, Ahn, Seungyoung

“…Recently, maintenance applications around power lines have been actively studied. These applications usually supply power through magnetic energy…”
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Magnetic field concentration using ferromagnetic material to propel a wireless power transfer based micro-robot by Kim, Dongwook, Park, Bumjin, Park, Jaehyoung, Park, Hyun Ho, Ahn, Seungyoung

“…In this paper, we propose a novel coil structure, using a ferromagnetic material which concentrates the magnetic field, as the propulsion system of a wireless…”
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High-resolution printing of micrometer-scale copper electrode: From ink formulation and process optimization to application by Kim, Jongyoun, Kang, Byeongjae, Kim, Hyuntae, Choi, Su Hyun, Park, Jaehyoung, Jung, Hyeonwoo, Hwang, Youngjun, Kwon, Sin, Woo, Kyoohee, Lee, Youngu

“…In the rapidly advancing field of electronics, there is a growing demand for devices to be miniaturized with high-resolution patterns and compact,…”
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Design and Implementation of a Full-Duplex Pipelined MAC Protocol for Multihop Wireless Networks by Wooyeol Choi, Jaehyoung Park, Yonggang Kim, Sabharwal, Ashutosh, Hyuk Lim

“…In multihop wireless networks, data packets are forwarded from a source node to a destination node through intermediate relay nodes. With half-duplex relay…”
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