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《Nuclear Electronics & Detection Technology》 2005-01
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High reliability radiation protection control system for fusion device EAST

CHAI Zhu-xin~1, WU Yi-can~1, LIU Bo-xue~2(1 Institute of Plasma Physics, CAS, P.O.Box 1126, Hefei of Anhui Prov. 230031, China; 2 Research Institute of Chemical Defense, P.O.Box 1044-200, Beijing 102205, China)  
Three-system-boards redundancy hardware, menu and status machine were developed, to ensure anyone can not enter the area of high radiation in any case, and to stop the potential radiation leakage in time. The measured and controlled objects of the system are environment radiation monitoring network, access control system, fusion operation control system, shielding door pull system, gamma monitor in shield building as well as other facilities. A fault tolerance way of three-system-boards redundancy hardware was designed. The system output variables are still right or at least safety, even if without fault diagnostic circuit, should a fault occur in one system board.
【Fund】: 国家大科学工程EAST项目支持(U1070010)
【CateGory Index】: TL631.24
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