Zobrazeno 1 - 10
of 93
pro vyhledávání: '"Cheul-U Kim"'
A Study of Improvement on the Quickness of Current controller for Permanent Magnet Synchronous Motor
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 21:136-143
A improved current controller with reference modification part that has both fast transient response in transient state and high accuracy in steady state is proposed. In this scheme, a improved reference modification part is used to synchronous frame
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::996480abddf9f4809d174326f7308a92
https://doi.org/10.5207/jieie.2007.21.8.136
https://doi.org/10.5207/jieie.2007.21.8.136
Publikováno v:
Journal of Electrical Engineering and Technology. 2:366-372
Joining thin aluminum alloy is difficult using most welding techniques. Many of the problems are associated with burn-through by the high heat input. Common welding techniques are TIG (Tungsten Inert Gas), MIG (Metal Inert Gas), and PULSE-MIG welding
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18a44540bce6377807947d07f7140bd3
https://doi.org/10.5370/jeet.2007.2.3.366
https://doi.org/10.5370/jeet.2007.2.3.366
Autor:
Cheul-U Kim, Jin-Soo Moon
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 20:151-157
As people's living standard is being improved, human works are being replaced by robots. However, because most robots are used in process industry, fixed on the ground, we need to develop human robots that have wide applications. Currently many resea
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53777f22f3ddd59d7736e8c001c80fdc
https://doi.org/10.5207/jieie.2006.20.10.151
https://doi.org/10.5207/jieie.2006.20.10.151
Autor:
Cheul-U Kim, Jin-Soo Moon
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 20:24-31
This study developed a human robot mast arm, which has a structure similar to the human arm, with the objective of taking over human works. The robot arm was structured to reproduce human actions using three axes on each of the shoulder and the wrist
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c12cb815084f055da41129801da713a6
https://doi.org/10.5207/jieie.2006.20.9.024
https://doi.org/10.5207/jieie.2006.20.9.024
Publikováno v:
IEEE Transactions on Industry Applications. 42:1249-1256
The errors generated from the current-measurement path are inevitable, and they can be divided into two categories: offset errors and scaling errors. Current data including these errors cause the periodic rotor speed ripples, which are one and two ti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9863976f11544757ed9bd987355dbef6
https://doi.org/10.1109/tia.2006.880904
https://doi.org/10.1109/tia.2006.880904
Publikováno v:
IEEE Transactions on Industrial Electronics. 53:1322-1327
The sustain driver for ac plasma display should provide alternating high-voltage pulses to ignite plasma and recover the energy discharged from the intrinsic capacitance between the scanning and sustaining electrodes inside the panel. In this paper,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::165516991543f9cb1cecdb313e21efbc
https://doi.org/10.1109/tie.2006.878298
https://doi.org/10.1109/tie.2006.878298
Publikováno v:
IEEE Transactions on Industrial Electronics. 52:1600-1606
This paper presents an efficient multilevel-synthesis scheme and its application to a 27-level inverter. In the proposed multilevel scheme, this can be realized by an array of switching devices composing full-bridge inverter modules and proper mixing
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0480fbe7054e8a840851e9b504d6b72e
https://doi.org/10.1109/tie.2005.858715
https://doi.org/10.1109/tie.2005.858715
Publikováno v:
IEEE Transactions on Energy Conversion. 20:906-915
This paper presents a new multilevel pulse width-modulation (PWM) inverter scheme for the use of stand-alone photovoltaic systems. It consists of a PWM inverter, an assembly of LEVEL inverters, generating staircase output voltages, and cascaded trans
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b102261d95a341d25da9336a554fb20f
https://doi.org/10.1109/tec.2005.847956
https://doi.org/10.1109/tec.2005.847956
Autor:
Jin-Soo Moon, Cheul-U Kim
Publikováno v:
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers. 19:73-80
Biped robot requires that an energy source and a control part should be installed on the body to realize active system. So, we choose the DC motor having high torque in compact size in this study. In the DC motor serve system, we choose power amplifi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0f169e0ef9fb80600e018fa5f6728d02
https://doi.org/10.5207/jieie.2005.19.7.073
https://doi.org/10.5207/jieie.2005.19.7.073
Publikováno v:
Solar Energy. 78:727-738
From the viewpoint of high quality output voltage generation in a residential photovoltaic system, a multilevel inverter employing cascaded transformers can become a good substitute for the conventional pulse width modulated inverters and other multi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba84056a936a89835f147ec803af5b37
https://doi.org/10.1016/j.solener.2004.09.008
https://doi.org/10.1016/j.solener.2004.09.008