Design for real-time data acquisition based on streaming technology

For the LHD project a long-pulse plasma experiment of 1-h duration is planned. In this quasi steady-state operation, the data acquisition system will be required to continuously transfer the diagnostic data from the digitizer front-end and display them in real-time. The CompactPCI standard is used t...

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Bibliographic Details
Published in:Fusion engineering and design 2001-10, Vol.56, p.1011-1016
Main Authors: Nakanishi, H, Mamoru, Kojima
Format: Article
Language:English
Subjects:
Applied sciences
CompactPCI
Controled nuclear fusion plants
Data compression
Data streaming
Data transfer
Digitizer front-end
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fusion reactors
Installations for energy generation and conversion: thermal and electrical energy
LHD
Plasma diagnostics
Real time systems
Real-time data acquisition
Tokamak devices
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Summary:For the LHD project a long-pulse plasma experiment of 1-h duration is planned. In this quasi steady-state operation, the data acquisition system will be required to continuously transfer the diagnostic data from the digitizer front-end and display them in real-time. The CompactPCI standard is used to replace the conventional CAMAC digitizers in LHD, because it provides good functionality for real-time data streaming and also a connectivity with modern PC technology. The digitizer scheme, interface to the host computer, adoption of data compression, and downstream applications are discussed in detail to design and implement this new real-time data streaming system for LHD plasma diagnostics.
ISSN:0920-3796
1873-7196
DOI:10.1016/S0920-3796(01)00449-5