Search Results - "Changhyun Cho, Changhyun Cho"

On Weather Data-Based Prediction of Gamma Exposure Rates Using Gradient Boosting Learning for Environmental Radiation Monitoring by Cho, Changhyun, Kwon, Kihyeon, Wu, Chase

“…Gamma radiation has been classified by the International Agency for Research on Cancer (IARC) as a carcinogenic agent with sufficient evidence in humans…”
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Evaluation of Ballistic Limit Velocity Using Instrumented Indentation Test of 7xxx Aluminum Alloys After Friction Stir Welding by Cho, Changhyun, Choi, Seunghun, Kwon, Oh Min, Lee, Seungha, Kim, Jong-hwan, Kwon, Dongil

“…Friction stir welding has the advantages of producing less material deformation and of simple joining of relatively thick materials, but the disadvantages of…”
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Design of a Static Balancing Mechanism for a Serial Manipulator With an Unconstrained Joint Space Using One-DOF Gravity Compensators by Cho, Changhyun, Kang, Sungchul

“…We propose a design method for a gravity compensator using unit spring balancers for multi-degree-of-freedom (DOF) and multilink manipulators. Existing spring…”
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On the use of thermal forces to probe kinesin’s response to force by Chang, Chuan, Zheng, Tiantian, Nettesheim, Guilherme, Song, Hayoung, Cho, Changhyun, Crespi, Samuele, Shubeita, George

“…The stepping dynamics of cytoskeletal motor proteins determines the dynamics of cargo transport. In its native cellular environment, a molecular motor is…”
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Stable Haptic Display of Slowly Updated Virtual Environment With Multirate Wave Transform by Changhyun Cho, Changhyun Cho, Jae-Bok Song, Jae-Bok Song, Munsang Kim, Munsang Kim

“…This paper proposes a control method that overcomes the instability of a haptic interface arising from both the slow update rates of the virtual environment…”
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A novel gate-all-around with back-gate (GAAB) 3D NAND flash memory structure for high performance with disturbance-less program operation by Sim, Jae-Min, Kang, In-Ku, Hong, Sung-In, Kim, Changhan, Cho, Changhyun, Min, Kyunghoon, Song, Yun-Heub

“…In this paper, we propose a gate-all-around with back-gate (GAAB) 3D NAND flash memory structure for high performance and reliability. First, in the selected…”
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A 21 nm High Performance 64 Gb MLC NAND Flash Memory With 400 MB/s Asynchronous Toggle DDR Interface by KIM, Chulbum, RYU, Jinho, LEE, Dooseop, KWAK, Pansuk, CHO, Seongsoon, YIM, Yongsik, CHO, Changhyun, JEONG, Woopyo, PARK, Kwangil, HAN, Jin-Man, SONG, Duheon, KYUNG, Kyehyun, LEE, Taesung, LIM, Young-Ho, JUN, Young-Hyun, KIM, Hyunggon, LIM, Jaewoo, JEONG, Jaeyong, SEO, Seonghwan, JEON, Hongsoo, KIM, Bokeun, LEE, Inyoul

“…A monolithic 64 Gb MLC NAND flash based on 21 nm process technology has been developed. The device consists of 4-plane arrays and provides page size of up to…”
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Microwave Plasma Assisted Aerosol Deposition (μ-PAD) for Ceramic Coating Applications by Jang, Soo Ouk, Cho, Changhyun, Kim, Ji Hun, Kang, In Je, Chang, Hyonu, Park, Hyunjae, Lee, Kyungmin, Kim, Dae Gun, Seok, Hye Won

“…To improve plasma and chemical resistance on various vacuum components used for semiconductor manufacturing equipment, various ceramic coating techniques have…”
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Effects of the Surface Contact on the Uncertainty in Indentation Yield Strength: Surface Roughness and Angular Misalignment by Kwon, Oh Min, Won, Jongho, Kim, Jong-hyoung, Cho, Changhyun, Jeon, Eun-chae, Kwon, Dongil

“…We suggest a method for accurately estimating the uncertainty of indentation yield strength determined from the modified Meyer relation as a mathematical…”
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Energy-Based Control of a Haptic Device Using Brakes by Cho, Changhyun, Song, Jae-Bok, Kim, Munsang

“…This paper proposes an energy-based control method of a haptic device with electric brakes. Unsmooth motion is frequently observed in a haptic system using…”
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Evaluation of Cryogenic Mechanical Properties of Resistance Seam-Welded Invar Alloy Sheet by Instrumented Indentation Test by Choi, Seunghun, Won, Jongho, Lee, Jung-Jun, Lee, Hee-Keun, Kim, Seong-Min, Cho, Changhyun, Kwon, Dongil

“…Invar alloy sheet was welded by resistance seam welding (RSW) with a constant electrode force and three different welding currents. Tensile properties were…”
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Chip-Level Simultaneous Switching Current Measurement in Power Distribution Network Using Magnetically Coupled Embedded Current Probing Structure by Kim, Jonghoon J., Changhyun Cho, Bumhee Bae, Sukjin Kim, Sunkyu Kong, Heegon Kim, Jung, Daniel H., Jiseong Kim, Joungho Kim

“…A simultaneous switching current (SSC) drawn by an integrated circuit (IC) creates simultaneous switching noise on power nets, which in turn causes jitters in…”
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A safe robot arm with safe joints and gravity compensator by Choi, Dongeun, Choi, Junho, Cho, Changhyun, Park, Shinsuk, Kang, Sungchul

“…This study presents a robot arm equipped with safe joints and multi DOFs gravity compensators. The safe joint, also referred to as “Spring-clutch”, is simple…”
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Joint configuration strategy for serial-chain safe manipulators by Seonghun Hong, Woosub Lee, Changhyun Cho, Sungchul Kang, Hyeongcheol Lee

“…Multi-DoFs (Degrees of Freedom) manipulators with more than 6-DoF can perform complex and diverse tasks. To make these serial-chain manipulators safer, a…”
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Design of a static balancing mechanism with unit gravity compensators by Changhyun Cho, Sungchul Kang

“…This paper proposes a design method of a static balancing mechanism using unit gravity compensators (e.g., 1-dof gravity compensator). In the design of a…”
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Static balancer for the rectilinear motion by Changhyun Cho

“…This paper presents static balancers for a rectilinear motion using springs. A slider-crank mechanism is adopted as a base mechanism and is considered as a…”
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The dark balance: quantifying the inner halo response to active galactic nuclei feedback in galaxies by Arora, Nikhil, Courteau, Stéphane, Macciò, Andrea V, Cho, Changhyun, Patel, Raj, Stone, Connor

“…ABSTRACT This paper presents a study of the impact of supermassive black hole (SMBH) feedback on dark matter (DM) haloes in numerical NIHAO (Numerical…”
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Anomalous junction leakage current induced by STI dislocations and its impact on dynamic random access memory devices by Ha, Daewon, Cho, Changhyun, Shin, Dongwon, Koh, Gwan-Hyeob, Chung, Tae-Young, Kim, Kinam

“…As the density of dynamic random access memory (DRAM) increases up to giga-bit regime, one of the important problems is the control of the process-induced…”
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Morphological features and electrical properties of hollow SnO2 for room temperature CO sensing by Mutuma, Bridget K., Eom, Sunghun, Goto, Tomoyo, Park, Hyunsu, Kondo, Yoshifumi, Cho, Sung Hun, Cho, Changhyun, Sekino, Tohru

“…This work highlights the synthesis of hollow SnO2 nanostructures by hydrothermal method and investigation of their morphological features, crystal structure,…”
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HELLO project: high-z evolution of large and luminous objects by Waterval, Stefan, Macciò, Andrea V, Buck, Tobias, Obreja, Aura, Cho, Changhyun, Jin, Zehao, Davis, Benjamin L, Dixon, Keri L, Kang, Xi

“…ABSTRACT We present the High-z Evolution of Large and Luminous Objects (HELLO) project, a set of $\sim \!30$ high-resolution cosmological simulations aimed to…”
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