1 dosimetric control system for the ibr-2 reactor joint institute for nuclear research frank...
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Dosimetric Control System Dosimetric Control System for the IBR-2 Reactorfor the IBR-2 Reactor
Joint Institute for Nuclear ResearchFrank Laboratory of Neutron Physics
A.S. KirilovM.L. KorobchenkoS.V. KulikovF.V. LevchanovskiyS.M. MurashkevichT.B. Petukhova
NEC’2011
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Control the radiation situation
Technological premises
Personnel work places
Atmospheric emissions
NEC’2011
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Monitoring of ionizing radiation
Alpha-aerosols
Beta-aerosols
Beta-active gases
Gamma-ray
Neutron
NEC’2011
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Dosimetric Control System
“System 8004-01”
132 detectors
12 shutters
Multichannel
block of counters
FT245 USB FIFO
TCP/
IP
NEC’2011
Remote computer
Control computer
USB-interface
The reactor dosimetric control room
Main control room of the reactor
CAM A C
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Data-transfer CircuitDetectors Control Circuit
Detector Signal Shapers
Hardware: Block of counters
NEC’2011
USB interface
D001
D132
F001
F132
ALTERA FT245R PC
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Software package
Multichannel Block of Counters
d_sdc
Database VARMANs_sdc
SDC
SDC_SERVER
SDC_CLIENT
TCP/IP
US
B
NEC’2011
Hardware
Control computer
Remote computer
Data Procession
User Graphical Interface
Block Driver
User Graphical Interface
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКСNEC’2011
Control computer: Main Window
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Data Processing
NEC’2011
The data processing module periodically stores logs to hard disk in individual files:
• current levels of radiation
• maximal levels of radiation during observation and the time of their appearance
• exceedance of the threshold values: - time of its appearance - threshold exceedance duration - corresponding dose during the threshold exceedance in any channel
• integral values of radiation levels
• mean values of radiation levels during the shift
• beam shutters status log
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Control computer: Main Window
NEC’2011
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Remote computer: graphical interface
NEC’2011
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Мурашкевич С.М. ОИЯИ ЛНФ НЭОКС
Conclusion
A new dosimetric control hardware and software complex for the IBR-2 reactor was put into operation in the winter of 2010.
In the summer of 2011 the complex was successfully tested during the trial start-up of the modernized reactor.
NEC’2011
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12NEC’2011