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- 저자 : 김명규(M. K. Kim) (검색결과 11 건)
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KSTAR 전류전송제어시스템의 원격운전을 위한 EPICS 기반 제어계 구축
김명규,백설희,김국희,박미경,Kim, Myung-Kyu,Baek, S.H.,Kim, K.H.,Park, M.K. 한국진공학회 2008 Applied Science and Convergence Technology Vol.17 No.1
The KSTAR Current Lead System(CLS) with network based real-time distributed control system is implemented using an EPICS as a middle-ware software. The current lead system transfers current from magnet power supplies to superconducting magnet system and simultaneously supply the coolant to maintain superconducting state. To control the CLS at main control room an EPICS IOC server is installed in local control area. Using this server, it is able to be controlled and monitored the system in main control room through operator interface(OPI) which uses "caget" to read status and "caput" to write command with a unique name called PV. The EPICS IOC is developed using "ether-ip" driver to communicate with PLC. Also we achieved satisfactory results in operation and stability aspects from a long period commissioning test.
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유전체 박막을 이용한 다이아프램형 광섬유 Fabry - Perot 간섭계압력센서의 특성
김명규,유양욱,권대혁,이정희,김진섭,박재희,채용웅,손병기 ( M . G . Kim,Y . W . Yoo,D . H . Kwon,J . H . Lee,J . S . Kim,J . H . Park,Y . Y . Chai,B . K . Sohn ) 한국센서학회 1998 센서학회지 Vol.7 No.3
The strain characteristics of a fiber optic Fabry-Perot pressure sensor with high sensitivity using a Si₃N₄/SiO₂/Si₃N₄ (N/O/N) diaphragm is experimentally investigated. A 600 nm thick N/o/N diaphragm was fabricated by silicon anisotropic etching technology in 44 wt KOH solution. An interferometric fiber optic pressure sensor has been manufactured by using a fiber optic Fabry-Perot intereferometer and a N/O/N diaphragm. The 2 cm length fiber optic Fabry-Perot interferometers in the continuous length of single mode fiber were produced with two pieces of single mode fiber coated with TiO₂ dielectric film utilizing the fusion splicing technique. The one end of the fiber optic Fabry-Perot interferometer was bonded to a N/O/N diaphragm, and the other end was connected to an optical setup through a 3 dB coupler. For the N/O/N diaphragm sized 2 x 2 ㎟ and 8 x 8 ㎟, the pressure sensitivity was measured 0.11 rad/kPa and 1.57 rad/kPa, respectively, and both of the nonlinearities were less than 0.2%FS.
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노면가진소음의 전달경로 파악;다중기여도함수 및 연결부위의 상대가속도 이용
김영기(Y. K. Kim),배병국(B. K. Bae),김양한(Y. H. Kim),김광준(K. J. Kim),김명규(M. G. Kim) 한국자동차공학회 1997 한국 자동차공학회논문집 Vol.5 No.4
Among the various sources of vehicle interior noise, this paper concerns the road induced noise; the identification of its transfer path by using experimental method. Multiple input and single output model is taken as a noise generation model. Because it is impossible to measure the road input forces directly, the acceleration signals are measured on four axle;three directions for each point. By considering the cross correlations of input signals, four uncorrelated source groups are taken. Multiple coherence function is employed to investigate the contributions of each group. In addtion, to identify the detailed path through the suspension systems, the contributions of all possible paths are ranked by using the coherence functions between interior noise and the relative accelerations of connections such as bushings and mountings. Measurements are performed with passenger vehicle traveling on concrete and asphalt roads at 60km/h<br/>
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손지연,원유재,박준석,김명규,한동원,황승구,Son, J.Y.,Won, Y.J.,Park, J.S.,Kim, M.G.,Han, D.M.,Hwang, S.K. 한국전자통신연구원 2000 전자통신동향분석 Vol.15 No.1
이동 네트워킹 환경에서 프록시의 적용은 메모리 요구량의 감소, 성능 향상, 비용과 활용도 측면에서의 효율성 등 많은 점에서 효용성이 입증되고 있다. 따라서 본 고에서는 프록시를 기반으로 하는 다양한 적응 기법들을 조사.분석하고, 아울러 프록시를 적용하는 데 있어서의 이슈가 되는 문제들을 살펴봄으로써 이동/무선 환경에서 프록시를 보다 효과적으로 활용할 수 있기를 기대한다.
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김진서,박창준,이기석,김명규,유원영,지형근,정일권,Kim, J.S.,Park, C.J.,Lee, K.S.,Kim, M.,Yoo, W.Y.,Jee, H.K.,Jeong, I.K. 한국전자통신연구원 2021 전자통신동향분석 Vol.36 No.1
Super-realistic content technology has recently attracted attention as a core of the "new normal" that can overcome the spatial constraints caused by pandemics. It is moreover the core that allows users in remote locations to meet and engage in various social, cultural, and economic activities based on a network. Content technology is rapidly spreading beyond the existing entertainment area to various industries as an innovative tool that can be used to overcome space-time constraints and improve the productivity of industrial sites, because reality and virtual reality are now super-connected with ultra-low latency. However, existing services such as teleconferencing and tele-collaboration do not provide a level of realism that replaces face-to-face services, and various technical requirements have been proposed to overcome this. The trends in core technologies such as XR twins, hyper-realistic reproduction, sensory interaction, and emotional recognition technology, which are necessary for interactive realistic content that leads to feelings, from reproduction to experience and emotion, are explained. In this article, our aim is to present the future of realistic content that enables human care and can even overcome psychological difficulties such as the "Corona blues".
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