Zobrazeno 1 - 10
of 1 610
pro vyhledávání: '"Jin HUR"'
Publikováno v:
IEEE Access, Vol 12, Pp 153922-153934 (2024)
Static eccentricity fault (SEF) primarily occurs due to external mechanical shocks and incorrect manufacturing processes. In the case of SEF condition, vibration and noise in the electric motor are generated due to unbalanced magnetic forces. Additio
Externí odkaz:
https://doaj.org/article/d42d5bc9fc454b78bf2163bc446b078d
Publikováno v:
IEEE Access, Vol 12, Pp 150136-150146 (2024)
Recently, the motor drive system of electric vehicles (EVs) has been increased to high voltage to enhance the output and efficiency of the motor. However, higher voltage exacerbates common-mode voltage (CMV), which is the main cause of bearing faults
Externí odkaz:
https://doaj.org/article/3c51862b9eca4ebf89171f8277686291
Publikováno v:
IEEE Access, Vol 12, Pp 136825-136836 (2024)
Shaft voltage generated in electric vehicle (EV) motors is a critical issue as it can lead to motor performance degradation and damage, potentially resulting in vehicle fault and endangering the driver’s safety. To prevent such faults, a newly stru
Externí odkaz:
https://doaj.org/article/1d78aa28847b41dd930aa5e40a3bddd1
Publikováno v:
IEEE Access, Vol 12, Pp 108224-108232 (2024)
In this paper, the cost-effective design of a Dual Airgap Permanent Magnet Vernier Motor (DAPMVM) with a Yokeless Consequent Pole Rotor (YCPR) is presented. The novelty of this research lies in its consequent pole structure of yokeless rotor which is
Externí odkaz:
https://doaj.org/article/6fec6f075ab7494292bed04613020f5c
Publikováno v:
Nuclear Engineering and Technology, Vol 55, Iss 8, Pp 2854-2863 (2023)
Objective: To present a hybrid approach that incorporates a constrained beam-hardening estimator (CBHE) and deep learning (DL)-based post-refinement for metal artifact reduction in dental cone-beam computed tomography (CBCT). Methods: Constrained bea
Externí odkaz:
https://doaj.org/article/a3b87999973a43e2af3cbcfd8781c33f
Autor:
Ji-Hoon Kim, Myong-Ho Park, Jong-Sik Ryu, Kwangchul Jang, Jiyoung Choi, Sanghee Park, Yungoo Song, Bo-Yeon Yi, Young Ji Joo, Tae-Hoon Kim, Jin Hur
Publikováno v:
Frontiers in Marine Science, Vol 10 (2024)
We investigated the geochemistry of gas, pore fluid, and methane-derived authigenic carbonate (MDAC) from four sites in the southern Ulleung Basin, South Korea. In contrast to Sites 16GH-P1 and 16GH-P5, Sites 16GH-P3, and 16GH-P4 are characterized by
Externí odkaz:
https://doaj.org/article/ddbc155a34174c2aa3537beed1dc0ff0
Publikováno v:
IEEE Access, Vol 11, Pp 139260-139271 (2023)
The increasing integration of renewable energy sources in the power system necessitates a reassessment of the optimal generation resource mix in long-term planning. To derive a practical solution for the generation mix in response to renewable energy
Externí odkaz:
https://doaj.org/article/c5f37580b50a411c88badd11aca3b836
Publikováno v:
IEEE Access, Vol 11, Pp 135493-135506 (2023)
The high penetration of renewable energy sources presents new challenges to power systems owing to the variability and uncertainty of renewable energy. When transmission congestion occurs, wind curtailment is required to ensure stability. Short-term
Externí odkaz:
https://doaj.org/article/9d8ffae616824f738495a85a2f409a48
Publikováno v:
IEEE Access, Vol 11, Pp 119560-119567 (2023)
Permanent magnet (PM) machines have broad applicability and a rapid output rise due to their good power factor, high efficiency, and power density. However, with the recent high cost, unavailability, and demagnetization issues of PMs, the wound rotor
Externí odkaz:
https://doaj.org/article/3aea576b399b44deb6a2a6ba782abaf0
Publikováno v:
IEEE Access, Vol 11, Pp 100195-100206 (2023)
As wind power is volatile and intermittent, an increase in the proportion of wind power generation may affect the security of power systems. Accurate wind power generation and ramp forecasting are crucial for reducing operating costs and maintaining
Externí odkaz:
https://doaj.org/article/5ef070752b0e413798f00d454a4067c8