http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
윤덕원(Deok-won Yun),신동익(Dong-ik Shin),김진호(Jin-ho Kim),한창수(Chang-soo Han),이낙규(Nak-kyu Lee),이혜진(Hye-jin Lee),류영선(Young-sun Ryuh) 한국생산제조학회 2007 한국생산제조학회지 Vol.16 No.6
In this paper we present a 3-DOF manipulator of which task is to unload the product from a micro factory. The micro factory developed by KITECH presses sheet metal to produce a micro valve that is used for micro pump. Our research is focused on the development of a small-sized unloading manipulator which works in the narrow workspace between the dies. We have implemented pick-and-place task with vacuum pressure and 3-DOF motion with stepping motors. We present the design procedures and analysis required in each module.
초탄성 링크를 이용한 초정밀 3자유도 병렬형 매니퓰레이터 개발
윤덕원(Deok-won Yun),탁태열(Tae-Yul Tak),김진호(Jin-Ho Kim),서승환(Seung-whan Suh),이동찬(Dong-Chan Lee),한창수(Chang-Soo Han),최현석(Hyeun-Seok Choi),강은구(Eun-goo Kang),홍원표(Won-pyo Hong),최헌종(Hun-jong Choi) 한국생산제조학회 2006 한국공작기계학회 춘계학술대회논문집 Vol.2006 No.-
According to the growth of nano science and technology, ultra high precision stage and manipulator is recently required at a variety of equipment (SEM, FIB, AFM, STM etc.). In this study, 3-DOF parallel manipulator using the merits of parallel robot is developed, and inverse kinematics is studied for the parallel type manipulator. This manipulator using the pantograph type PZT is operated, and joints and links using the super-elastic material arecomposed. FEM analysis is performed in order to considerate reasonability to use super-elastic wire.
초탄성 링크를 이용한 초정밀 3자유도 병렬형 매니퓰레이터 개발
윤덕원(Deok-won Yun),탁태열(Tae-Yul Tak),김진호(Jin-Ho Kim),서승환(Seung-whan Suh),이동찬(Dong-Chan Lee),한창수(Chang-Soo Han),최현석(Hyeun-Seok Choi),강은구(Eun-goo Kang),홍원표(Won-pyo Hong),최헌종(Hun-jong Choi) 한국생산제조학회 2006 한국생산제조시스템학회 학술발표대회 논문집 Vol.2006 No.5
According to the growth of nano science and technology, ultra high precision stage and manipulator is recently required at a variety of equipment (SEM, FIB, AFM, STM etc.). In this study, 3-DOF parallel manipulator using the merits of parallel robot is developed, and inverse kinematics is studied for the parallel type manipulator. This manipulator using the pantograph type PZT is operated, and joints and links using the super-elastic material arecomposed. FEM analysis is performed in order to considerate reasonability to use super-elastic wire.
윤덕원(Deok-Won Yun),장형민(Hyung-Min Chang),이원철(Won-Cheol Lee) 한국전자파학회 2013 한국전자파학회논문지 Vol.24 No.8
본 논문은 건물 내 환경에서 기존의 ISM(Industrial Scientific and Medical) 대역과 TVWS(TV White Space) 대역의 전파 특성을 이론 및 실험을 통하여 비교 분석하고, TVWS의 우수한 전파 특성을 확인한다. 이를 위하여 빌딩 전파 환경에서 503 ㎒와 2.4 ㎓의 중심 주파수를 갖는 전파 신호를 발생시켜 위치에 따른 수신 전력강도를 측정하고, 측정한 경로 손실을 확인한다. 여기서 이론적 경로 손실을 계산하기 위하여 Hata, Extended Hata, Extended Hata(SRD), ITU-R P.1238 모델을 이용하였고, 측정한 경로 손실 값과의 비교 분석을 통하여 실내환경에서 채널 모델의 신뢰성 정도를 분석한다. In this paper, the propagation characteristics for ISM(Industrial Scientific and Medical) and TVWS(TV White Space) in indoor building environment are analyzed in comparison with theoretical and experimental results, the excellent propagation characteristics of the TVWS is confirmed. To this end, signals which have center frequencies of 503 ㎒ and 2.4 ㎓ are generated in building propagation environment. Through that, received power strength is measured according to the location and measured path loss is analyzed. Theoretical path loss is calculated using Hata, Extended Hata, Extended Hata SRD, ITU-R P.1238 and reliability for channel model in indoor environment is analyzed.
PZT를 이용한 Semi-inchworm구동기법의 초정밀 회전 스테이지 개발
윤덕원,안강호,한창수,Yun, Deok-Won,Ahn, Kang-Ho,Han, Chang-Soo 한국반도체디스플레이기술학회 2007 반도체디스플레이기술학회지 Vol.6 No.1
Recently PZT is used in ultra precision mechanism field. PZT has a small motion range although it has a high resolution. Many methods, such as inchworm, impact driving, etc., have been applied for the expansion of the motion range.? In this study, the new actuating mechanism for rotational motion with two PZT actuators is proposed. The ultra precision rotational actuator which is made by proposed mechanism is able to operate both coarse and fine motion. The design parameters of the proposed mechanism are considered to improve the performance of the system. The rotational stage which is applied by the proposed mechanism is fabricated. The resolution and velocity for fabricated rotational stage are measured by laser interferometer.