Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Dong-woo Nam"'
Publikováno v:
Machines, Vol 12, Iss 4, p 280 (2024)
Recently, due to the price fluctuation and supply instability of rare earth mineral resources, there has been a lot of development of electric motors using non-rare-earth permanent magnets. As a result, motors using Dy-free permanent magnets and ferr
Externí odkaz:
https://doaj.org/article/ddb684ec60d2448cbdb431fc3f7bc24e
Publikováno v:
AIP Advances, Vol 13, Iss 2, Pp 025357-025357-7 (2023)
A ring magnet attached under the safety window motor is used for detecting the position of the window with a hall sensor. A dead zone that the magnetic flux is weak appears between the poles of the ring bonded magnet and the larger the angle of the d
Externí odkaz:
https://doaj.org/article/3e56a8c33943421c92b27f693bc46f6f
Publikováno v:
IEEE Access, Vol 9, Pp 121405-121413 (2021)
This study facilitated the improvement of no-load back electromotive force (back-EMF) wave form, total harmonic distortion (THD) of back-EMF, and torque ripple using a novel skew angle formula, considering the specific order of a no-load THD. In real
Externí odkaz:
https://doaj.org/article/e42f2789922f40afb7b945d3c21cbb65
Autor:
Won-Suk Sung, Sae-Rom Jeon, Ye-Jin Hong, Tae-Hun Kim, Seungwon Shin, Hyun-Jong Lee, Byung-Kwan Seo, Yeon-Cheol Park, Eun-Jung Kim, Dong-Woo Nam
Publikováno v:
Trials, Vol 20, Iss 1, Pp 1-11 (2019)
Abstract Background Low back pain is a common symptom and continuous or recurrent pain results in chronic low back pain (CLBP). While many patients with CLBP have tried various treatments, complementary and alternative medicine including acupuncture
Externí odkaz:
https://doaj.org/article/b7a13803981444c790aa7cd8507fc90b
Publikováno v:
Machines, Vol 11, Iss 1, p 4 (2022)
Permanent magnet synchronous motors (PMSMs), with their high power density, high efficiency, and thermal stability, are widely used nowadays. PMSM magnets are composed of rare earth elements. However, rare earth elements are subject to severe price f
Externí odkaz:
https://doaj.org/article/cd1e41a1d9894e7c91b19c47a1f4575d
Publikováno v:
Energies, Vol 14, Iss 13, p 3758 (2021)
This paper describes a study on the improvement of the dehydration performance of the conventional washing machine model. Recently, as interest in improving the dehydration performance of washing machines has increased, the need for a study on a high
Externí odkaz:
https://doaj.org/article/8eb4706c7e914ae291e67921471246b1
Autor:
Dong-Woo Nam, Kang-Been Lee, Hyun-Jo Pyo, Min-Jae Jeong, Seo-Hee Yang, Won-Ho Kim, Hyung-Kwan Jang
Publikováno v:
Energies, Vol 14, Iss 3, p 610 (2021)
The spoke-type permanent magnet synchronous motor (PMSM), which is a general ferrite magnetic flux-concentrated motor, has a low portion of reluctance torque at the total torque magnitude. Therefore, as a way to increase the reluctance torque, there
Externí odkaz:
https://doaj.org/article/865d9a4801bb482f83770e8bfe6df646
Autor:
Joonsik Yoon, Dong Woo Nam, Deuk Tae Cho, Young Seok Kim, Cha Dong Yeo, Chae Dong Yim, Moo Kyun Park
Publikováno v:
Korean Journal of Otorhinolaryngology-Head and Neck Surgery. 66:302-307
Background and Objectives Tinnitus retraining therapy (TRT) is a well-known effective method for tinnitus management by retraining the brain to achieve habituation of tinnitus. The mobile device based TRT can let both clinicians and patients be free
Autor:
Dong Woo Nam, Dae Woong Kang, So Min Lee, Moo Kyun Park, Jun Ho Lee, Seung Ha Oh, Myung-Whan Suh, Sang-Yeon Lee
Publikováno v:
Otology & Neurotology. 44:e319-e327
Autor:
Chang-woo Seon, Ye-jin Hong, Kyung-bok Park, Jeong-rock Kim, Dong-woo Nam, Ye-eun Kim, Min-jeong Kim
Publikováno v:
Journal of Korean Medicine. 43:33-51
Objectives: This study aimed to understand the current status of clinical practice patterns of Korean medicine in the treatment of degenerative arthritis of the hip and finger joints using web-based survey.Methods: An e-mail questionnaire survey was