Search Results - "Choe, H G"

Appearance and dynamics of helical flux tubes under electron cyclotron resonance heating in the core of KSTAR plasmas by Yun, G S, Park, H K, Lee, W, Choi, M J, Choe, G H, Park, S, Bae, Y S, Lee, K D, Yoon, S W, Jeon, Y M, Domier, C W, Luhmann, Jr, N C, Tobias, B, Donné, A J H

“…Dual (or sometimes multiple) flux tubes (DFTs) have been observed in the core of sawtoothing KSTAR tokamak plasmas with electron cyclotron resonance heating…”
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Effects of Excitatory Amino Acids on Phosphoinositide Metabolism in Frog Retina by CHOE, HONG-GWAN, LOUIE, KATHRYN, BASINGER, SCOTT F

“…The effects of excitatory amino acid receptor agonists on the hydrolysis of phosphoinositides were examined using frog retinal membranes prelabeled in vitro…”
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A new injection method for AC harmonic elimination by active power filter by Choe, G.-H., Park, M.-H.

“…An injection method for an active filter which eliminates the harmonics present in AC lines by injecting PWM harmonic compensating current is proposed. In the…”
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Step-up/down AC voltage regulator using transformer with tap changer and PWM AC chopper by JANG, D.-H, CHOE, G.-H

“…A step-up/down AC voltage regulator is proposed, in which a tap-changing transformer and a pulsewidth modulation (PWM) AC chopper are combined. The proposed…”
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Quantitative analysis of retinal glycerolipid molecular species acetylated by acetolysis by Choe, H G, Wiegand, R D, Anderson, R E

“…A method for the quantitative analysis of molecular species of 1,2-diacylglycerol acetates (1,2-DGAC) containing polyunsaturated fatty acids is described…”
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An improved PWM technique for AC choppers by Choe, G.-H., Wallace, A.K., Park, M.-H.

“…A novel pulse-width-modulated (PWM) control technique for AC choppers is proposed that has the advantages of enabling linear control of the fundamental…”
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PWM converter-inverter arc welding machine using new type NCT by Chae, Y.-M., Gho, J.-S., Choe, G.-H., Shin, W.-S., Choi, J.-Y.

“…The inverter circuit has been adopted to welding machines to improve welding performance. As the conventional inverter welding machine has a diode rectifier,…”
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Efficient algorithms for basket default swap pricing with multivariate Archimedean copulas by Choe, Geon Ho, Jang, Hyun Jin

“…We introduce a new importance sampling method for pricing basket default swaps employing exchangeable Archimedean copulas and nested Gumbel copulas. We…”
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A new control strategy for instantaneous voltage compensator using 3-phase PWM inverter by Lee, S.-Y., Chae, Y.-M., Cho, J.-S., Choe, G.-H., Mok, H.-S., Jang, D.-H.

“…In a three-phase power system, unbalanced voltage with harmonics can be detected on the synchronous reference frame. Assuming that there is no neutral path in…”
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Unique molecular species composition of glycerolipids of frog rod outer segments by Choe, H G, Anderson, R E

“…The composition and metabolism of molecular species of glycerolipids, including phosphatidic acid (PA), phosphatidylinositol (PI) and diacylglycerol (DG), were…”
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A new instantaneous output current control method for inverter arc welding machine by Chae, Y.-M., Gho, J.-S., Mok, H.-S., Choe, G.-H., Shin, W.-S.

“…According to the adoption of inverter circuit topology for welding machine area, the improvement of welding performance con be achieved. However conventional…”
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Phosphoinositide metabolism in frog rod outer segments by Choe, H G, Ghalayini, A J, Anderson, R E

“…Previous studies have shown that vertebrate rod outer segments (ROS) have a light activated phospholipase C which hydrolyzes…”
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A new simulation model of BLDC motor with real back EMF waveform by Jeon, Y.S., Mok, H.S., Choe, G.H., Kim, D.K., Ryu, J.S.

“…A BLDC motor with the characteristics of high speed and high power density has been more widely used in industrial areas. As for the design of the motor drive…”
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Visualization of core and edge MHD instabilities in 2D using ECEI by Yun, G.S., Lee, W., Choi, M.J., Lee, J., Choe, G.H., Park, H.K., Domier, C.W., Luhmann, N.C., Donné, A. J. H., Lee, J.H., Park, S.I., Joung, M., Bae, Y.S., Jeon, Y.M., Yoon, S.W.

“…MHD instabilities in the core and edge of the KSTAR plasmas have been visualized in 2D using an electron cyclotron emission imaging (ECEI) system with…”
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Design of current controller for 3-phase PWM converter with unbalanced input voltage by Kim, H.S., Mok, H.S., Choe, G.H., Hyun, D.S., Choe, S.Y.

“…Generally current controllers of three-phase PWM power converters have been implemented in the synchronous frame because the synchronous frame controller can…”
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Parallel Operation Control of n+1 Redundant Inverter Systems by Jeong, B.-H., Cho, J.-S., Choe, G.-H.

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Asymmetrical PWM technique for AC choppers by Choe, G.-H., Jang, D.H.

“…An asymmetrical pulse-width modulated (APWM) control technique for an AC chopper which can improve the input power factor and suppress the harmonic contents of…”
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The Khintchine constants for generalized continued fractions by Choe, Geon Ho, Kim, Chihurn

“…Let T p ( x)=1/ x p (mod 1) for 0< x<1 and T p (0)=0. It is known that if p> p 0=0.241485…, then there exists an ergodic invariant measure of the form ρ p dx …”
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Generalized continued fractions by Choe, Geon Ho

“…The invariant measures for the transformations x ↦ {φ(x)} on the unit interval are studied where (i) φ∈ C 2, (ii) φ ′<0,(iii) φ(0+)=+∞, φ(1)=1, (iv) the map x…”
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Improved RTGC system with voltage compensation converter to reduce fuel consumption by Bayasgalan, D., Ryu, J. S., Choi, Y. M., Lee, S. H., Han, D. H., Lee, Y. J., Choi, H. R., Choe, G. H.

“…This paper presents improved Rubber Tyred Gantry Crane system with high power voltage compensated converter to save the fuel consumption. The RTGC system…”
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