Zobrazeno 1 - 10
of 234
pro vyhledávání: '"YoungWoo Lee"'
Publikováno v:
IEEE Access, Vol 12, Pp 56492-56502 (2024)
This paper proposes an optimal controller and estimator for energy dispatch to balance the power supply and demand considering communication delays. The proposed algorithm involves modeling an autonomous nanogrid (ANG) consisting of distributed energ
Externí odkaz:
https://doaj.org/article/60ebb9f2d3884d9c8e893939c98549d2
Publikováno v:
Mathematics, Vol 12, Iss 20, p 3293 (2024)
Optimizing the performance of motion control systems with variations in nonlinear parameters is not an easy task. To accomplish this task, it is important to design the controller using the linear system approach. In this study, a linear parameter va
Externí odkaz:
https://doaj.org/article/50c8a99194bb4f2eb2a804167e6d6fa7
Publikováno v:
Electronics Letters, Vol 60, Iss 5, Pp n/a-n/a (2024)
Abstract This letter presents a low‐power single‐slope analog‐to‐digital converter (ADC) for column‐parallel architectures. A simple and effective design technique is proposed to solve the input‐dependent power consumption problem of the
Externí odkaz:
https://doaj.org/article/b74eea72195e4ddc8bb9d369371cb323
Autor:
Byungkuk Lee, Seungchul Yang, Dongyong Kwak, Hyunkwang Jo, Youngwoo Lee, Youngmoon Bae, Jayhyung Lee
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 6, Pp 2206-2214 (2023)
The existing wet reconversion processes for the recovery of scraps generated in manufacturing of nuclear fuel are complex and require several unit operation steps. In this study, it is attempted to simplify the recovery process of high-quality fuel-g
Externí odkaz:
https://doaj.org/article/127fab777d074fc0bfb406b570887e6f
Publikováno v:
IEEE Access, Vol 11, Pp 141343-141357 (2023)
Embedded devices are becoming increasingly common and, as a result, more susceptible to security threats. Consequently, analyzing the firmware of these devices is essential for detecting and mitigating vulnerabilities. Hardware dependencies pose a ma
Externí odkaz:
https://doaj.org/article/2ed217a375084473a197204b03f0ab31
Publikováno v:
Clean Technologies, Vol 3, Iss 2, Pp 474-489 (2021)
Greenhouse gas emissions from the freight transportation sector are a significant contributor to climate change, pollution, and negative health impacts because of the common use of heavy-duty diesel vehicles (HDVs). Governments around the world are w
Externí odkaz:
https://doaj.org/article/a612802abd344c17b4851fbc4166aa2a
Publikováno v:
IEEE Access, Vol 9, Pp 142060-142070 (2021)
This paper proposes a super twisting-based nonlinear gain sliding mode controller (STNGSMC) to achieve the position control of permanent-magnet synchronous motors (PMSMs). Nonlinear gain is developed to improve the position tracking performance of a
Externí odkaz:
https://doaj.org/article/747d13bfa70444188b420bb108fd5771
Autor:
Jong-Gyun Ha, Youngwoo Lee, Jae Sung Nam, Jeong Jin Park, Joo-Heon Yoon, Chang-Hoon Kim, Hyung-Ju Cho
Publikováno v:
Journal of Otolaryngology - Head and Neck Surgery, Vol 49, Iss 1, Pp 1-9 (2020)
Abstract Background The purpose of this study was to determine the therapeutic value of drug-induced sleep endoscopy (DISE) by comparing the outcomes of tongue base surgery based on Muller’s maneuver (MM) and those based on DISE in obstructive slee
Externí odkaz:
https://doaj.org/article/f10ade8681e7457292d4ec669ad60d1f
Publikováno v:
IEEE Access, Vol 8, Pp 61148-61156 (2020)
In this study, a velocity control method is proposed for minimizing velocity ripples in permanent-magnet synchronous motors with low-performance current sensing. The proposed method involves the use of desired currents, peak estimation, and a propose
Externí odkaz:
https://doaj.org/article/092121e3e5344f4dabc8feb82c38dfdc
Publikováno v:
Mathematics, Vol 10, Iss 13, p 2177 (2022)
In general, it is not easy work to design controllers and observers for high-order nonlinear systems. Planar motors that are applied to semiconductor wafer-stage processes have 14th-order nonlinear dynamics and require high resolution for position tr
Externí odkaz:
https://doaj.org/article/8f810f112f884e379134f2944655f281