692 Result(s)
within
Hye** Park
English
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Article
The effect of swirling flow in the mixing chamber of atomizer and the length/diameter ratio of atomizer exit on the distribution of coal particles in CWM spray
This research is aimed to investigate how the swirling phenomena in an atomizer and the ratio of length/diameter of the atomizer exit affect the size distribution of coal particle in spray. CWM slurries are in...
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Article
Growth mechanism of monodispersed TiO2 fine particles by the hydrolysis of Ti(OC2H5)4
In order to investigate the growth mechanism of TiO2, the monodispersed TiO2 fine particles were prepared by hydrolysis of Ti(OC2H5)4 using the seed preparation method. Although it was impossible to grow TiO2 par...
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Chapter and Conference Paper
Adaptive SEJONG-NET for on-line Hangul recognition
In this paper, a revised SEJONG-NET with adaptability for recognizing transformed on-line Hangul pattern is proposed. It is based on the structural characteristics of Hangul and the hypotheses on the processes...
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Chapter
Information systems for eco-effective manufacturing
Integration of environmental aspects on manufacturing has been considered. Design for environment based on life cycle thinking is one of the approaches. To transfer adequate scientific environmental informatio...
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Chapter and Conference Paper
An Efficient Learning Algorithm Using Natural Gradient and Second Order Information of Error Surface
Natural gradient learning algorithm, which originated from information geometry, is known to provide a good solution for the problem of slow learning speed of gradient descent learning methods. Whereas the nat...
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Article
Optimal conditions for the production of exopolysaccharide by marine microorganismHahella chejuensis
A marine microorganism, strain 96CJ10356 produced exopolysaccharide, designated as EPS-R. To optimize culture conditions for the production of EPS-R, carbon and nitrogen sources, mineral salts, temperature, an...
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Article
Demulsification of oil-in-water emulsions by aerial spores of a Streptomyces sp.
Of a number of actinomycetes isolated from Antarctica and coastal regions of Korea, one isolate, identified as a Streptomycessp., demulsified an emulsion of kerosene/0.2% Triton X-100 (2:1, v/v) within 1 min. The...
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Article
Chemotherapeutic drug, adriamycin, restores the function of p53 protein in hepatitis B virus X (HBx) protein-expressing liver cells
Hepatitis B virus X (HBx) protein implicated in the development of liver cancer may inhibit the function of p53 tumor suppressor protein through cytoplasmic retention of p53 protein. Here, we attempt to invest...
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Chapter and Conference Paper
Generalization Error and Training Error at Singularities of Multilayer Perceptrons
The neuromanifold or the parameter space of multila yer perceptrons includes complex singularities at which the Fisher information matrix degenerates. The parameters are unidentifiable at singularities, and th...
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Chapter and Conference Paper
Practical Consideration on Generalization Property of Natural Gradient Learning
Natural gradient learning is known to resolve the plateau problem, which is the main cause of slow learning speed of neural networks. The adaptive natural gradien tlearning, which is an adaptive method of real...
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Article
Robust control of robot manipulator with actuators
A Robust controller is designed for cascaded nonlinear uncertain systems that can be decomposed into two subsystems; that is, a series connection of two nonlinear subsystems, such as a robot manipulator with a...
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Article
Rheological properties and stability of magnetorheological fluids using viscoelastic medium and nanoadditives
In order to improve the stability of magnetorheological (MR) fluids, viscoelastic medium having 2.2 Pa yield stress has been used as a continuous phase and nanosized CrO2 particles are added too. The rheological ...
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Article
Anti-lock brake system control for buses based on fuzzy logic and a sliding-mode observer
In this paper, an anti-lock brake system (ABS) for commercial buses is proposed based on a fuzzy-logic controller and a sliding-mode observer of the vehicle speed. The brake controller generates pulse width mo...
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Article
Effect of aeration rates on production of extracellular polysaccharide, EPS-R, by marine bacteriumHahella chejuensis
The production of an extracellular polysaccharide, EPS-R, from the marine bacteriumHahella chejuensis was investigated at various aeration rates in a batch culture. Higher aeration rate resulted in enhanced EPS p...
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Chapter and Conference Paper
A Statistical Identification and Verification Method for Biometrics
A biometrics system is to find out the identity of a person by measuring physical and physiological features which can distinguish the corresponding person from others. When applying the conventional machine l...
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Chapter
On the Design of Wideband CDMA User Equipment (UE) Modem
This paper describes the details of the implementation issues on wideband CDMA UE Modem, concentrating on the receiving side. Employed top-down design methodology and corresponding work efforts on each task ar...
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Chapter and Conference Paper
Network Optimization through Learning and Pruning in Neuromanifold
In this paper, we propose an optimization method of neural networks based on the geometrical structure of neuromanifold. The optimizing process starts from the manifold of sufficiently large network model. In ...
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Chapter and Conference Paper
Extraction of Multiple Motion Trajectories in Human Motion
This paper presents a method for extracting multiple motion trajectories in human motions. We extract motion trajectories of body parts (hands and feet) using a new method based on optical flow information. Th...
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Article
Vertical Alignment of Single-Walled Carbon Nanotubes on Chemically Functionalized Silicon Substrates
Carbon nanotubes have been widely investigated as an essential component for fabricating nanoelectronic devices and for their numerous applications. We investigated the vertical alignment of single-walled carb...
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Chapter and Conference Paper
Geometry of Learning in Multilayer Perceptrons
Neural networks provide a good model of learning from statistical data. Multilayer perceptron is regarded as a statistical model in which a nonlinear input-output relation is realized. The set of multilayer pe...
