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19種의 顔料를 利用한 色素地 硏究 : 白磁素地 中心으로
金鍾兌 淸州大學校 1994 淸藝論叢 Vol.8 No.-
There are several methods to produce colors for ceramics ; for instance, pigments, glaze, and clays can influence the color of ceramics. The concentration of this research paper is to explain about the coloring of ceramics with the pigments. There are many things that can be used as a pigment : tiles, ceramic, crayons, ceramic pencils, playthings, coloring matter clyas, and table wares. Up to the present, the pigments have been researched throughly. However, the pigments which are artificially manufactured through the using of raw substances and mixing of metrials have been widely studied and recently developed. The pigments are not dissolved, when they are in a porcelain-kiln under a high temperature. In addition, because the pigment's caricteristics do not combine with the glazes chamically in a kiln, it is widly recomended as one of the best coloring materials to make elean and pure color for ceramics. I wish that this research paper will be helpful for artists uho make ceramics and factories which produce pigments for domestic production.
鷄龍山 鐵畵粉靑에 關한 硏究 : EDAX分析 結果 中心으로
金鐘兌 淸州大學校 1993 淸藝論叢 Vol.7 No.-
Korea has three typical porcelains, which are celadon porcelains, white porcelains, and iron-painted porcelains. The iron-painted porcelain appears dark-brown or black when we paint a porcelain white and draw a picture with a color which is rich in iron. The iron-painted porcelain has much artistic merit, for it isn't scratched or sculptured like other porcelains but drawn a picture with a brush. It shows all things in nature with various designs. The designs express them schematically, abstractly, or humorously, but they show the humor of a free human being on the whole and go with the sense of modem times. In the iron-painted porcelain, Kyeryongsan has the biggest kiln site in our country and it shows the characteristic structure, But, regreffably, we haven't inherited ceramic tradition from here, instead it has developed sucessfully in Japan. The potter, Lee Sam-pyo˘ng, in Kyeryongsan was taken to Japan in the Japanese invasion of Korea in 1592. He built arita, a ceramic village in Japan and the great reputation of its ceramic art extended to Europe Afterwards, the Japanese descendants of the potter from Choso˘n erected a monument to the memory of their ancestor, Lee Sam-pyo˘ng at parkjo˘ngja in Kyerongsan. Now, we don't carry out briskly its researches in Korea, but, in Japan, they have lively researches and many ceramic works. Therefore, I want to revive the iron-painted porcelain by the scientific analysis and build the true character of the potters in Choso˘n.
Combination of Schwarz Information Criteria for Change-Point Analysis
김종태,Kim, Jong-Tae 한국데이터정보과학회 2002 한국데이터정보과학회지 Vol.13 No.2
The purpose of this paper is to suggest a method for detecting the linear regression change-points or variance change-points in regression model by the combination of Schwarz information criteria. The advantage of the suggested method is to detect change-points more detailed when one compares the suggest method with Chen (1998)'s method.
김종태,신명철,Kim, Jong-Tae,Shin, Myong-Chul 한국조명전기설비학회 2005 조명·전기설비학회논문지 Vol.19 No.2
보호계전기는 고장에 의해 파생되는 단락$\cdot$지락 사고로부터 전력 시스템을 보호하기 위하여 널리 사용되고 있다. 전통적으로 디지털보호계전기는 디지털신호처리 프로세서 혹은 마이크로프로세서로 구현되는데 본 연구는 이를 고성능$\cdot$고효율$\cdot$다기능의 단일칩으로 구현하기 위한 하드웨어 설계 기술에 관해 다룬다. 제작된 디지털보호계전기는 FPGA(Field Programmable Gate Array)로 구현하였고 16KSPS이상의 처리 성능을 가지며 평균 오차율 $0.03(\%)$미만으로 보호계전알고리즘을 수행할 수 있다. Protective relays provide important features to electrical power systems for protecting against faults and consequent short circuits. This research presents a novel VLSI design of the digital protective relay, which overcomes today's uP/DSP-based relays. This design features good cancellation of DC/k-th harmonic components, noticeable not performance and flexible Protection behavior in the minimized core area The proposed design was successfully implemented by a FPGA(Field Programmable Gate Array) device and can concurrently process over 16KSPS at less $0.03[\%]$ error rate.