• Cement
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• s.33
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• pp.26-27
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• 1969

• Conservation Science in Museum
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• v.14
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• pp.91-113
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• 2013

Cheongpung Buwongun Kim Wu-myeong's Funeral Bier, an important folklore cultural property No.120, possessed by Chuncheon National Museum was donated in 2002 (by Kim Seonggu). It consists of a bier, yoyeo(腰輿), myeongjeongdae(銘旌臺), and manjangdae(輓章臺). It has a high value as the oldest royal bier. The bier which had a resting time in the storage for special exhibition of "The great cultural treasure of Gangwon province" was inspected in September 2012 and colored pigment layer of the wooden part had the risk of peeling off and surface damage of the textile was serious. Therefore, conservation treatment was conducted. In addition, knots and susiks(垂飾) were severely damaged and their exhibition was impossible. Therefore, a reproduction to replace them through a close investigation was made. All parts of the funeral bier were in separation except for the basic furniture. Conservation was made by dividing the parts into wooden parts and textile parts. Yoyeo was reinforced after disassembling bujae from it and then was reassembled. Paraloid B-72 2 wt% (in ethyle acetate), acrylic resin, was applied to the wooden part of the bier in order to reinforce the colored pigment layer with the addition of sodium alginate 2 wt%(in stilled water) and glue 4 wt%(in stilled water). The pollutants on the surface of the textile part were removed (vacuuming) and its creases were smoothed out (steaming). Fat-soluble pollutants were removed using an nonionic surfactant(Saponin, concentration at 0.25 to 0.5 g/𝑙, in de-ionized water). After the disassembly of the yoyeo from the broken wooden, it was bonded with glue (3 wt% for the first gluing, 35 wt% for gluing), and pine wood was used to restore missing parts. In the process of connecting Wongak(雲角), the original metal hinge and nails were reused to complete the assembly.

• The Transactions of the Korean Institute of Power Electronics
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• v.3 no.4
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• pp.412-417
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• 1998

This paper suggests the drive characteristics of a Switched Reluctance Motor(SRM) by 2-phase excitation method. T This scheme excites 2 phases simultaneously, which is similar to 2-phase excitation method of a step motor. In this s scheme. the torque is produced by mutual inductances as well as self inductances. The abrupt change of a phase e excitation produces mechanical stresses and it results in vibration and noise. The acoustic noise is reduced remarkably t through the sequential phase excitation in the 2-phase excitation. Operational principle and characteristic comp없1son t to that of the conventional SRM show that this excitation scheme has some advantages including torque ripple and n noise reduction.

• The Science & Technology
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• no.11 s.414
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• pp.100-101
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• 2003

• Proceedings of the Plant Resources Society of Korea Conference
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• 1996.09a
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• pp.72-77
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• 1996

• Korean Journal of Heritage: History & Science
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• v.20
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• pp.239-278
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• 1987

보성군에서 수집한 민요들의 의식·노동·유희요(謠) 별(別)로 정리하였다. 의식요(儀式謠)로는 걸메당·상여·독경(讀經)소리가 실렸다. 전래(傳來) 혼인식(式)에 있어서의 가마소리인 걸메당소리는 전국의 몇 곳에서만이 가창자가 남아 있는 희요(稀謠)이다. 상여소리(처음에 운구 들어 울릴때의 긴소리, 길 갈 때의 가난보살과 어가리넘자, 비탈길 오를 때의 나무아미타불, 달구소리)는 전남지방에 널리 전파되어 있는 것과 동계(同系)이다. 노동요(謠)는 주로 농요(農謠)<광의(廣義)>가 수집되었다. 소동패전갈을 수록하였다. 모심기곡(曲)은 공(共)히 일반 농부가 쪼임에 비하여 모찌기와 논매기곡(曲)(<표2>참조)은 다양성을 띄웠다. 산아지로고나곡(曲)은 전(全) 면(面)에 두루 퍼져 있으며 논맬 때, 장원질소리, 소동패노래에도 쓰인다. 산떨이(올라간다)는 고흥군의 것과 같다. 터 다지는 노래로는 얼럴럴 상사도야를, 상량노래로는 어유아 상량이야를 부른다. 줄메고 나가는 노래의 받음구는 위야허허 또는 상사뒤여뒤여(회촌면)이다. 유희요(謠)는 남사당의 덜미 (꼭두각시극)노래인 떼루와 제나난실을 싣고 그 위에 치마·줌치·사위·강도령·이노래 등을 실었다.

• The Transactions of the Korean Institute of Power Electronics
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• v.9 no.1
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• pp.30-35
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• 2004

In a switched reluctance motor drive, it is important to synchronize the stator phase excitation with the rotor position, Therefore the position of rotor is an essential information. Although high resolution optical encoder/resolvers we used to provide a precise position information, these sensors are expensive. And switching angles synchronizing using sensorless technique has some problems like a reliability and fluctuating of the preset value in the high-speed region, which is caused by the sampling period of the microprocessor. In this paper, a low cost analog encoder suitable for practical applications is proposed. And the control algorithm to generate switching signals using a simple digital logic is presented. The validity of the proposed analog encoder with a proper logic controller is verified from the experiments.

• (The) Research of the performance art and culture
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• no.33
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• pp.97-128
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• 2016

According to the findings of the study, the music composition of the mask play is deeply related to the main characteristics of the scene. The first scene of the play starts with the Byeoksa dance. This particular dance part represents the evil spirit expel ritual. The instrumental accompaniment like and are played for the dance. The last part of the play starts with the Halmi and Yeonggam scene. This scene is played in both the instrumental and vocal music. For the instrumental part , for the vocal part and songs are played. and songs are played on the part of the Halmi's funeral ceremony scene. The instrumental and are played in various scenes for the accompaniment of the dance part. The musical structure of the mask play is flexible. This kind of flexibility of scene structure mainly concerned with the way of musical composition. The main structure of the mask play can be classified into two main styles according to the allocation of the vocal music. In first style, the vocal music is evenly dispersed. In second style, the vocal parts are concentrated in the rear section. As I mentioned earlier, no logical association is found in the matter of the scene arrangement. A scene arrangement has a deep connection with the arrangement of the music in each scene. In conclusion, the mixed arrangement of the scene in mask play is mainly concerned with the matter of the music arrangement in order to maintain the tension of the drama.

• Digital Contents
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• no.11 s.150
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• pp.42-46
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• 2005

‘ www’는인터넷의상징과도같다. 지금처럼인터넷이폭넓게보급될수있었던이유중하나는어려운숫자도메인(IP Address)을간단한영문으로바꿔입력할수 있는시스템이등장했기때문이다. 이를기반으로몇몇얼리어댑터혹은전문가급유저만의전유물처럼여겨지던인터넷이대중화되기시작했다. 국내에서도이와 유사한움직임이나타나고있다. 영문에익숙하지않은어린이, 노인등의계층도쉽게인터넷을접하고이용할수있도록한글키워드서비스가시작된것. 한글키워 드서비스보급의선봉에우뚝선넷피아닷컴과디지털네임즈를분석했다.

• Proceedings of the KIEE Conference
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• 2001.07b
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• pp.1194-1196
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• 2001

본 논문은 스테핑 모터의 구동 중에서 2상 여자모드와 마이크로 스테핑의 주기성이 동일함에 기초하여 32 스텝의 정현파 마이크의 스테핑을 실현하고 그 특성을 연구한 내용이다. 마이크로 스테핑은 스테핑 모터의 스텝각을 크게 세분화하여 구동함으로써 진동과 소음이 적고 부드럽게 구동하고자 하는 방법인데, 본 논문의 정현파 마이크로 스테핑은 종래의 마이크로 스테핑에 비하여 더욱 우수한 저진동 저소음 특성을 나타낸다.