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윤종철(J.C. Yoon),박병률(B.R. Park),강흥식(H.S. Kang),최진혁(J. Choi),M.H. Oho 대한전기학회 2006 대한전기학회 학술대회 논문집 Vol.2006 No.7
Modem Industrial control systems tend to adopt a variety of intelligent wireless device controllers to interface front-end computers with active components of the industrial device. Some of the intelligent control systems come equipped with a wireless SMS(Simple Message Service) interface giving an opportunity to use fault alarm Interlock system. Immediately send warning or alert messages to Mobile devices or remote users. Real time monitoring the SMS systems by Mobile devices. Control systems remotely by mobile devices in emergency situation. In order to provide against system fault, SMS Mobile System will enable system administrator to promptly access, monitor and control the system whenever users want and wherever users are, by utilizing wireless Internet and mobile devices. This paper presents the Mobile SMS system for PAL Control System.
Conceptual Design of PLS-II Control System for PLS
J.C. Yoon(윤종철),J.W. Lee(이진원),E.H. Lee(이은희),H.G Ha(하기만),J.M. Kim(김재명),S.J. Park(박성주),K.R. Kim(김경렬) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
PLS(Pohang Light Source) will begin the PLS-Ⅱ project that has been funded by the KOREA Government in order to further upgrade the PLS which has operated since 1992. The control system of the PLS-II has distributed control architecture, with two layers of hierarchy; operator interface computer (OIC) layer and machine interface computer (MIC) layer. The OIC layer is based on SUN workstation with UNIX. A number of PC-based consoles allow to remotely operating the machine from the control room. PC-based consoles use the Linux or Windows operation system. Similar consoles in the experimental hall are used to control experiments. The MIC layer is directly interfaced to individual machine devices for low-level data acquisition and control. MIC layer is based on VMEbus standard with vxWorks real-time operating system. Executable application software modules are downloaded from host computers at the system start-up time. The MIC's and host computers are linked through Ethernet network. It should enable the use of hardware and software already developed for specific light source requirements. The core of the EPICS (Experimental Physics and Industrial Control System)[1] has been chosen as the basis for the control system software.