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| TUP029 |
KSTAR Widget Toolkit Using Qt Library for the EPICS Based Control System
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146 |
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- S. Baek, M. Kwon, S. Lee, H. K. Na, M. K. Park
NFRI, Daejeon
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Funding: This work was supported by the Korean Ministry of Education, Science and Technology.
The KSTAR Widget Toolkit (KWT) was developed as a development toolkit of CA client application for the KSTAR commissioning. The KWT is based on Qt library and includes channel access interface to communicate with EPICS. In order to enhance development speed and increase aesthetic quality of application, 16 plug-in widgets were developed to enable for developers to create new panel using drag and drop method. Some of them use QWT as a plotting library and some widgets display alarm status with a specified color according to the EPICS alarm convention. The KWT has cross-platform development environment and feasibility of extending new widgets using Qt plug-in API with plenty of documents and tutorials. Around 110 panels and several applications such as multi-channel plotting tool, process variable searching tool, and logbook application were developed through the KWT and they proved functionality of the KWT being used for the integrated control and machine control during the KSTAR commissioning. The KWT is applicable to fast and easy development of operator interfaces and applications for the EPICS based control system.
National Fusion Research Institute (NFRI), Gwahangno 113, Yuseong-Gu, Daejeon 305-333, KOREA
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Poster
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| TUD002 |
The Newly Constructed EPICS-based Control System for KSTAR Tokamak Device
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1 |
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- M. K. Park, S. Baek, Y. Chu, S. H. Hahn, J. S. Hong, M. K. Kim, Y. O. Kim, M. Kwon, S. Lee, W. R. Lee, H. K. Na, Y. K. Oh, J. S. Park
NFRI, Daejeon
- K. H. Kim
SLAC, Menlo Park, California
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The KSTAR is the newest superconducting tokamak to have a mission to perform fusion researches for future energy source, which accomplished the 1st plasma in 2008 after the completion of design, fabrication and assembly since 1995. The KSTAR integrated control system (KICS) aimed at integration of all plant system I&Cs, development of schema for tokamak operation and relevant S/W, achievement of synchronized operation, and machine protection. For those purposes, we elaborated on the selection of a middleware for the KICS focused on performance, reliability and maintainability, and finally decided to use EPICS. In addition, the KICS adapted several open-source tools in the fields of data management and user interfaces such as MDSplus, Qt, Mysql, etc. For the initial operation, we integrated 17 types of plant systems with various H/W platforms and installed about 200 controllers to handle about 18,000 Process Variables. This paper focuses on the development of the KICS and the operational results. Moreover, the evaluation of EPICS for tokamak control is explained by analyzing the differences between tokamak and accelerator control.
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