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윤성운(S. YOON),이상일(S. LEE),박미정(M. J. PARK),손창욱(C. W. SOHN),최용준(Y. CHOI),유정현(J. YOO),Lingxue JIN,김무상(M. KIM),김도균(D. KIM),기태경(T. KI),서미경(M. K. SEO),진민성(M. S. JIN) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
RAON, a heavy ion superconducting linear accelerator has been installed in Daejeon, S. Korea. A cryogenic system, which was installed and tested its performance cool the accelerator down until 269 K. The system consists of a lot of components, cryogenic plants, a distribution box, cryogenic distribution lines, cryomodules and valve boxes. A cryogenic control system which is complicated and integrated by EPICS (Experimental Physics and Industrial Control System) is developed and the graphic user interface which is designed by CS-studio (Control System-studio) is developed. They were verified during the accelerator cool-down but they need some modification based on the cool-down operation. This paper summarizes the RAON cryogenic system infrastructure and graphic user interfaces.
SRF 시험시설 내 극저온 설비용 제어시스템 구축 및 시운전
윤성운(S. Yoon),신재희(J. H. Shin),이기웅(K. Lee),이상일(S. Lee),양근수(K. S. Yang),최철진(C. J. Choi),장현만(H. M. Jang),안원(W. Ahn) 대한기계학회 2016 대한기계학회 춘추학술대회 Vol.2016 No.12
The SRF(Superconducting Radio Frequency) test facility was constructed in Daejeon and a cryogenic system, which includes a helium liquefier, a distribution box, transfer lines, and a 2K-system, was also set up for the cryogenic temperature. To control the cryogenic system, an Allen-Bradley PLC and a Siemens PLC were used. The Siemens PLC for the helium liquefier was delivered by its maker and tested by them. The AB PLC hardware, draft automatic control logics, and interlocks for others, such as the distribution box, the transfer lines and the 2K-system, were designed by us. A Korean vendor made the hardware, programmed logics, and some GUIs. We and the vendor, together, have had some commissioning for the cryogenic control system. Some hardware which had problems were changed and some programs which had bugs were modified.
윤성운(S. YOON),이상일(S. LEE),박미정(M. J. PARK),손창욱(C. W. SOHN),최용준(Y. CHOI),유정현(J. YOO),Lingxue JIN,김무상(M. KIM),김도균(D. KIM),기태경(T. KI),서미경(M. K. SEO),진민성(M. S. JIN) 대한기계학회 2022 대한기계학회 춘추학술대회 Vol.2022 No.11
RAON, a heavy ion superconducting linear accelerator has been installed in Daejeon, S. Korea. A cryogenic system, which was installed and tested its performance cool the accelerator down until 269 K. The system consists of a lot of components, cryogenic plants, a distribution box, cryogenic distribution lines, cryomodules and valve boxes. A cryogenic control system which is complicated and integrated by EPICS (Experimental Physics and Industrial Control System) is developed and the graphic user interface which is designed by CS-studio (Control System-studio) is developed. They were verified during the accelerator cool-down but they need some modification based on the cool-down operation. This paper summarizes the RAON cryogenic system infrastructure and graphic user interfaces.
초음파 비파괴 검사 기반의 용접결함 패턴분류기 성능 비교
김재열(J. Y. Kim),김창현(C. H. Kim),김우진(W. G. Kim),최철준(C. J. Choi),윤성운(S. U. Yoon) 한국생산제조학회 2005 한국공작기계학회 추계학술대회논문집 Vol.2005 No.-
In this study, we compared backpropagation neural network(BPNN) with probabilistic neural network(PNN) as shape recognition algorithm of welding flaws. For this purpose, variables are applied the same to two algorithm. Here, feature variable is composed of time domain signal itself and frequency domain signal itself. Through this process, we comfirmed advantages/disadvantages of two algorithms and identified application methods of two algorithms.