197 Result(s)
within
Sung** Lee
Engineering
-
Article
Open AccessSliced Wasserstein adversarial training for improving adversarial robustness
Recently, deep-learning-based models have achieved impressive performance on tasks that were previously considered to be extremely challenging. However, recent works have shown that various deep learning model...
-
Article
Leakage current analysis of three-phase inverter motor drive system with sine wave filter
Using gallium nitride (GaN) transistors in motor drive systems presents challenges because of their high dv/dt characteristics. Compared with silicon (Si) transistors, GaN transistors cause a higher leakage curre...
-
Article
Thiran filter-based fractional delay compensation for grid-tied converters
This paper proposes fractional delay filter-based repetitive controllers (FDF-RCs) for grid-tied converters. Finite impulse response filters and infinite impulse response filters are used to estimate the fract...
-
Article
Investigation on the wear resistance of AISI 316L with micro dimples as a material for human implants’ structure
Over the past five decades, artificial hip joint materials, such as ceramic, titanium, and cobalt-chromium molybdenum alloy, with significantly improved wear resistance or biocompatibility have been developed ...
-
Chapter and Conference Paper
Information-Based Patrol Speed Control Method for Rail-Guided Robot System Using Deep Deterministic Policy Gradient Algorithm
To manage the safety of multi-use facilities, many CCTVs and alarm sensors are used, however, they cannot replace patrol tasks to check site conditions from multiple directions. The developed rail-guided smart...
-
Chapter
A Study on the Effect of Customer Experience on the Intention to Continuously Use Coffee Store Mobile App Based on the Unified Theory of Acceptance and Use of Technology (UTAUT) Model
Due to the spread of COVID-19, the use of mobile applications is increasing in coffee shops as activities that have been conducted face-to-face are being carried out non-face-to-face. The purpose of this paper...
-
Chapter
A Study on the Impact of Green Patent Data on ESG Environment Indicators
Global investment and financial institutions such as BlackRock are exerting pressure by stating that they will no longer invest in companies that do not adhere to ESG management criteria while operating financ...
-
Article
Mobile sensors based platform for COVID-19 contact tracing leveraging artificial intelligence
COVID-19 pandemic is an active epidemic disease and is evolving in various variants of SAR-COV-2. The most critical point for COVID-19 is to break the transmission chain by early detection and isolation. It ne...
-
Article
Harmonic compensated individual-phase control of four-leg inverters for microgrid applications
In this paper, harmonic compensated individual-phase voltage control of four-leg inverters is proposed for microgrid applications. Individual-phase control, which is one of the promising voltage control method...
-
Article
Adaptive Leader-Following Consensus of Nonlinear Multi-agent Systems Using Switching Logic
This paper addresses the adaptive leader-following consensus of nonlinear multi-agent systems under a directed graph. The most significant limitation of the existing adaptive consensus protocols is that their ...
-
Article
Expanded linear dynamic affect-expression model for lingering emotional expression in social robot
The service robot market is growing, and robots are replacing humans in many service industry jobs. Recently, as humans treat robots more emotionally and socially, designing robot emotions to improve human sat...
-
Article
Open AccessCurrent status and further development of deterministic lateral displacement for micro-particle separation
Deterministic lateral displacement (DLD) is a passive, label-free, continuous-flow method for particle separation. Since its discovery in 2004, it has been widely used in medical tests to separate blood cells,...
-
Article
Adhesive bioelectronics for sutureless epicardial interfacing
Bioadhesive devices can be used to create conformable tissue–device interfaces without suturing. However, the development of such technology faces challenges related to the need for external stimuli or long pe...
-
Article
Development of a Low-Cost Plant Growth Chamber for Improved Phenoty** Research
This study aimed to develop a research-use plant growth chamber from which plant researchers can easily acquire data and in which plants can be effectively grown by improving the sealing and control performanc...
-
Article
Conformal Three-Dimensional Platinum Coating Using Rotary-Type Atomic Layer Deposition for a Diesel Oxidation Catalyst Application
A novel rotary-type atomic layer deposition (ALD) process for coating platinum thin film on three-dimensional (3D) substrates is demonstrated. High uniformity and conformability of the platinum thin-film depos...
-
Article
Application of Visual Communication in Image Enhancement and Optimization of Human–Computer Interface
The visual plane of human–computer interaction has a great influence on the perception of color images. The author proposes the use of visual communication in the development and optimization of human–computer...
-
Article
Nanometer Yttria-doped Ceria Shell by Atomic Layer Deposition over Porous Pt for Improved Oxygen Reduction Reactions
Designing highly active and thermally stable electrodes is crucial for realizing low-temperature solid oxide fuel cells (LT-SOFCs) with excellent performance. In this study, we fabricated an yttria-doped ceria...
-
Article
Reconstruction of Displacement, Velocity and Acceleration from Measured Dynamic Strain for Bernoulli-Beam Type Girders of Bridges
This paper presents a new approach for reconstructing displacement, velocity and acceleration from measured strain in Bernoulli-beam type girders of bridges. A minimization problem is defined using the L2-norm of...
-
Article
Detection of defects in cellular solids using highly nonlinear solitary waves: a numerical study of the proximal femur
This study investigates the suitability of a relatively new non-destructive evaluation (NDE) technique for the detection of non-visible defects in cellular solids using highly nonlinear solitary waves (HNSWs) ...
-
Article
Open AccessTwo-Terminal Lithium-Mediated Artificial Synapses with Enhanced Weight Modulation for Feasible Hardware Neural Networks
The Li-mediated artificial synapses with a vertical two-terminal configuration capable of various synaptic behaviors, including bio-plausible synaptic plasticity, were successf...
