Search Results - "Jun-yeong Choi"

An Active Partial Switching Method in Tertiary Loop for a High-Efficiency Predictive Current-Mode Control PFC Converter by Choi, Yeong-Jun, Kim, Tae-Jin, Kim, Rae-Young

“…This paper proposes a novel active partial switching method for a boost power factor correction (PFC) converter, based on the predictive current mode control…”
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An Active Cascaded Battery Voltage Balancing Circuit Based on Multi-Winding Transformer with Small Magnetizing Inductance by Park, Young-Hwa, Kim, Rae-Young, Choi, Yeong-Jun

“…This paper covers the active voltage balancing method of secondary batteries. The number of applications using secondary batteries is increasing, and the…”
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A MPCC-Based Variable Sampling Time Interleaving Method for a Two-Phase Totem-Pole Bridgeless Boost PFC Converter by Koh, Hyun-Gyu, Ko, Hyeon-Joon, Choi, Yeong-Jun

“…This paper proposes a Model Predictive Current Control (MPCC) based variable sampling time interleaving method to improve the current shaping ability, power…”
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A Model Predictive Current Control Method for Achieving a High Efficiency and High Robustness Boost PFC Converter Operation by Ko, Hyeon-Joon, Koh, Hyun-Gyu, Choi, Yeong-Jun

“…This paper proposes a boost PFC converter based on model predictive current control to achieve both improved efficiency and robustness against voltage…”
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Development of a Fault-Diagnosis System through the Power Conversion Module of an Electric Vehicle Fast Charger by Park, Sang-Jun, Kim, Woo-Joong, Kang, Byeong-Su, Jang, Sung-Hyun, Choi, Yeong-Jun, Hong, Young-Sun

“…The supply of electric vehicles (EVs), charging infrastructure, and the demand for chargers are rapidly increasing owing to global low-carbon and eco-friendly…”
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Effect of High-Temperature Thermal Management on Degradation of Li-Ion Battery for Fast Charging by Park, Sang-Jun, Song, Young-Woong, Kang, Byeongsu, Kang, Min-Jun, Kim, Min-Young, Choi, Yeong-Jun, Lim, Jinsun, Kim, Ho-Sung, Hong, Youngsun

“…There is a growing demand for electric vehicles (EVs) and related technologies to promote low-carbon green growth. To meet this demand, charging technologies…”
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Kinematic design of large displacement precision XY positioning stage by using cross strip flexure joints and over-constrained mechanism by Choi, Yeong-jun, Sreenivasan, S.V., Choi, Byung Jin

“…Flexures are widely used in precision machines since they offer frictionless, particle-free, and low maintenance operation, and they provide extremely high…”
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Signal detection of human papillomavirus vaccines using the Korea Adverse Events Reporting System database, between 2005 and 2016 by Ran, Jung, Yang, Ji-Young, Lee, Ji-Ho, Kim, Hye-Jun, Choi, Jun-Yeong, Shin, Ju-Young

“…Background Adverse events (AEs) not listed on drug labels have recently been reported in young girls vaccinated against HPV, but signal detection related to…”
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Modeling and Control of Double-Sided LCC Compensation Topology with Semi-Bridgeless Active Rectifier for Inductive Power Transfer System by Cha, Hwa-Rang, Kim, Rae-Young, Park, Kyung-Ho, Choi, Yeong-Jun

“…This paper proposes the modeling and design of a controller for an inductive power transfer (IPT) system with a semi-bridgeless active rectifier (S-BAR). This…”
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An Integrated Current-Voltage Compensator Design Method for Stable Constant Voltage and Current Source Operation of LLC Resonant Converters by Choi, Yeong-Jun, Cha, Hwa-Rang, Jung, Sang-Min, Kim, Rae-Young

“…This paper proposes a method to charge a lithium ion battery with an integrated compensator. Unlike the conventional charging method which uses separate…”
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Cultural Characteristics and Fruiting-body Productivity of New Cultivar ‘Hwadam’ (Lentinula edodes) by Punching Treatments on the Sawdust Medium by Jeong-Han Kim, Jun-Yeong Choi, Yeon-Jin Kim, Ji-Young Mun, Tai-Moon Ha, Gu-Hyun Jung

“…표고 ‘화담’의 톱밥배지 안정생산을 위해 침공처리가 균사배양 및 자실체 생산성에 미치는 영향을 조사하였다. 종균 접종후 배지 온도는 배양 23일에 27.0-28.8℃, CO2농도는 배양 16일에 14.0-15.6%까지 높아진 후 감소하였고, O2농도는 CO2농도와 반대의 경향이었다…”
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표고 톱밥재배용 신품종 ‘자담’ 육성 및 특성 by 김정한, Jeong-han Kim, 백일선, Il-sun Baek, 최종인, Jong-in Choi, 신복음, Bok-eum Shin, 강영주, Young-ju Kang, 하태문, Tai-moon Ha, 정구현, Gu-hyun Jung, 김연진, Yeon-jin Kim, 최준영, Jun-yeong Choi

“…A new cultivar of oak mushroom Lentinula edodes ‘Jadam’ was bred from monokaryotic strains of ‘Hwadam-18’ and ‘GMLE36295-22’. The optimum temperature for…”
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톱밥배지 침공처리에 따른 표고 ‘화담’ 의 균사배양 및 자실체 생산성 by 김정한, Jeong-han Kim, 최준영, Jun-yeong Choi, 김연진, Yeon-jin Kim, 문지영, Ji-young Mun, 하태문, Tai-moon Ha, 정구현, Gu-hyun Jung

“…The effect of punching treatment on bags containing sawdust medium for the stable production of fruiting bodies of Lentinula edodes 'Hwadam' was investigated…”
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Voltage Balancing Methodology Using Singular Energy Storage System in Bipolar DC Microgrid by Jin, Chang-Wan, Kang, Tae-Seok, Choi, Yeong-Jun

“…The development of power electronics technology and the growth of distributed energy resources have brought attract to bipolar DC microgrid. However, voltage…”
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Cl- and Al-Doped Argyrodite Solid Electrolyte Li6PS5Cl for All-Solid-State Lithium Batteries with Improved Ionic Conductivity by Choi, Yeong Jun, Kim, Sun-I, Son, Mingyu, Lee, Jung Woo, Lee, Duck Hyun

“…Argyrodite solid electrolytes such as lithium phosphorus sulfur chloride (Li6PS5Cl) have recently attracted great attention due to their excellent lithium-ion…”
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Nitration-Promoted Vanadate Catalysts for Low-Temperature Selective Catalytic Reduction of NOX with NH3 by Kim, Sun-I, Choi, Yeong Jun, Lee, Min Seong, Lee, Duck Hyun

“…Vanadium-based catalysts have been commercially used in selective catalytic reduction (SCR), owing to their high catalytic activity and effectiveness across a…”
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Accelerated stress test of polymer electrolyte membrane water electrolyzer via solar power generation condition by Choi, Baeck B., Jo, Jae Hyeon, Yoo, Young Sung, Jeon, Sang-Yun, Lee, Taehee, Choi, Yeong-Jun, Chung, Dong Young, Lee, Eung-Jun, Yoo, Sung Jong

“…The AST protocols for operating a PEM water electrolyzer are created using data from a 100-kW solar power installation in Korea. To control the pores of the…”
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State of Energy Based Secondary Control Scheme of Virtual Power Plant by Kim, Gi-Hoon, Kang, Kyoung-Soo, Jeung, Yoon-Cheul, Choi, Yeong-Jun, Kang, Gil-Hyeon, Ko, Hee-Sang

“…This paper proposes a secondary control scheme for virtual power plant based on the state of energy. The scheme is to operate various energy systems that…”
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Polyol-Mediated Synthesis of V2O5–WO3/TiO2 Catalysts for Low-Temperature Selective Catalytic Reduction with Ammonia by Lee, Min Seong, Choi, Yeong Jun, Bak, Su-Jeong, Son, Mingyu, Shin, Jeehoon, Lee, Duck Hyun

“…We demonstrated highly efficient selective catalytic reduction catalysts by adopting the polyol process, and the prepared catalysts exhibited a high nitrogen…”
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The use of complementary and alternative medicine in a general population in South Korea: results from a national survey in 2006 by Ock, Sun Myeong, Choi, Jun Yeong, Cha, Young Soo, Lee, JungBok, Chun, Mi Son, Huh, Chang Hun, Lee, Soon Young, Lee, Sung Jae

“…The purpose of this survey was to obtain information on the prevalence, costs, and patterns of use of complementary and alternative medicine (CAM) in a general…”
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