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LABView를 이용한 Field Robot System 구축을 위한 연구
조영수(Y. S. Cho),박성희(S. H. Park),윤두환(D. H. Yun),이창돈(C. D. Lee),양순용(S. Y. Yang) 유공압건설기계학회 2009 유공압건설기계학회 학술대회논문집 Vol.2009 No.11
Field robot represented by excavator can be applied for various working in manufacturing, construction, agriculture etc. Because of the flexibility of its multi-joing mechanism and the high power of hydraulic actuators. Since the excavator operates in the hazardous working circumstance, operators exposed in harmful environment. Therefore, automation system has been investigated to protect from the harmful environment. In this paper, automatic excavation process has been proposed using Labview. Proportional controller control the automatic excavation. Automatic excavation reaction is evaluated by step and sine signal
정찬세(C. S. Jeong),이형욱(H. U. Lee),정영만(Y. M. Jeong),윤두환(D. H. Yun),이창돈(C. D. Lee),양순용(S. Y. Yang) 한국생산제조학회 2009 한국공작기계학회 추계학술대회논문집 Vol.2009 No.-
The solenoid valve is basic part of industry and used widely. Especially the solenoid valve used on pneumatic system. Port size more than 80mm from the pneumatic system products used precipitator system and generator system and any heavy industrial system. That means some place of need much industrial water and need high pressurt control with little power. So they use multi-stage solenoid valve. This paper describe mention of valve simulation with AMESim and 3D modelling for development of multi-stage solenoid valve and character of valve performance based on orifice diameter of valve diaphragm.
다이아프램형 Multi-stage 솔레노이드 밸브의 오리피스에 관한 연구
정찬세(C. S. Jeong),이형욱(H. U. Lee),윤두환(D. H. Yun),양순용(S. Y. Yang) 유공압건설기계학회 2010 유공압건설기계학회 학술대회논문집 Vol.2010 No.10
Port size 80mm or above large-flow type solenoid valves are extensively used in dust collector and power plants, steel mills and industrial water need where little power in used to control the large flow and high pressure; multi-stage diaphragm type solenoid valves are used. These multi-stage solenoid valves that rely on imports and are weak in the brine environment and the low energy efficiency are the main shortcomings of the present solenoid valves. Also, the necessity of research on the development of large flow and high pressure type solenoid valves is gradually increasing. In this study, a large flow multi-stage solenoid valve has been designed and developed by configuring the orifice, diaphragm and solenoid. At first each part has modeled and by combining them a virtual multi-stage solenoid valve has developed and finally the following results have derived from the simulation results of the developed model.
정찬세(C. S. Jeong),이형욱(H. U. Lee),정영만(Y. M. Jeong),윤두환(D. H. Yun),이창돈(C. D. Lee),양순용(S. Y. Yang) 한국생산제조학회 2009 한국생산제조시스템학회 학술발표대회 논문집 Vol.2009 No.10
The solenoid valve is basic part of industry and used widely. Especially the solenoid valve used on pneumatic system. Port size more than 80mm from the pneumatic system products used precipitator system and generator system and any heavy industrial system. That means some place of need much industrial water and need high pressurt control with little power. So they use multi-stage solenoid valve. This paper describe mention of valve simulation with AMESim and 3D modelling for development of multi-stage solenoid valve and character of valve performance based on orifice diameter of valve diaphragm.
굴삭기를 이용한 로봇 Teaching Playback 구현에 관한 연구
조영수(Y. S. Cho),정찬세(C. S. Jeong),윤두환(D. H. Yun),박진석(J. S. Park),양순용(S. Y. Yang) 유공압건설기계학회 2010 유공압건설기계학회 학술대회논문집 Vol.2010 No.10
Field robot represented by excavator can be applied for various working in manufacturing, construction, agriculture etc. Because of the flexibility of its muti-joint mechanism and the high power of hydraulic actuators. Since the excavator operates in hazardous working circumstance, operators exposed in harmful environment. Therefore, automation system has been investigated to protect from the harmful environment. In this paper, the method to construct the Teaching Playback control system is proposed. The efficiency of Teaching Playback control system was evaluated through the field test.
培養土의 種類 및 盆內 栽植 方法이 濟州寒蘭 組織培養苗의 生育에 미치는 影響
尹斗煥,兪性泰,宋寅丞,閔炳訓,高王仁,李政明 경희대학교 부설 식량자원개발연구소 1993 硏究論文集 Vol.14 No.-
조직배양으로 육성된 제주한란의 유묘를 6개월간 백수태에서 순화시킨 후 유묘의 크기와 배양토의 종류 그리고 화분내의 재식 방법을 달리하여 15개월간에 걸쳐 재배 실험을 실시하였다. 조직배양으로 생산된 유묘의 크기가 포장 재배에서 신초의 최장엽장과 최장근장 그리고 뿌리수에 영향을 주었는데 유묘의 크기가 크면 신초의 최장엽장과 최장근장 그리고 뿌리수가 높게 나타났으며 유묘의 크기가 작으면 신초의 최장엽장과 최장근장 그리고 뿌리수도 적었다. 마사토, 일향토와 하이드로볼의 단용 처리구 보다는 두가지 이사의 동요적비의 혼용처리가 제주한란 유묘의 생육에 좋았으며, 특히 이들 3가지가 혼합된 용토에 솔잎을 각각의 동용적비로 첨가하였던 배양토에서 가장 좋은 생육을 나타냈다. 제주한란 유묘를 화분에 재식시 화분의 중앙에 모아심는 것보다 화분의 가장자리에 분산시켜 심는 것이 뿌리수와 생체중 증가율의 증가에 효과적이었다. Seedlings of Cymbidium kanran, Jeju Hanran, regenerated form rhizome in vitro, were transplanted into white moss and hardened at 75% shade and 70% humudity for 6 months. The hardened seedlings were cultured in various media for 15 months to investigate effects of seedling size and potting position on the root growth, leaf length and plant fresh weight of Cymbidium kanran. The size of flask seddling affected the leaf length, the length of the longest root and number of roots; the larger the size of flask seedlings, the higher the growth promotion, in general. The mixed media of Masa, Ilhyang and Hydroball showed a good influence on the growth of Cymbidium kanran. The mixture of Masa, Ilhyang, Hydro-ball pine leaf in the same propotion gave the best influence on increase in the growth of roots and shoot in Cymbidium kanran. The number of roots and percent increase in fresh weight Cymbidium kanran were influenced by the position in 4 1/2 inch plastic pot. Seedlings planted at the peripheral position in pot exhibited growth promotion than those planted together at the center of the pot.