The timing system for the ASDEX Upgrade experiment control

For the adaptive control system of the ASDEX Upgrade tokamak experiment a new digital timing system was developed. Its structure is centralized and distributed. The timing system defines a systemwide 100-ns absolute timescale by central generation of clock and time zero information. Distributed proc...

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Bibliographic Details
Published in:IEEE Transactions on Nuclear Science (Institute of Electrical and Electronics Engineers); (United States) 1992-04, Vol.39 (2), p.198-204
Main Authors: Raupp, G., Richter, H., Aubanel, C., Bruhns, H., Huber, R., Schramm, G., Trzinski, T., Vallen, H., Warmbrand, A., Zehetbauer, T.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
990200 > Mathematics & Computers
Adaptive control
Applied sciences
ASDEX TOKAMAK
Centralized control
Clocks
CLOSED PLASMA DEVICES
Collaboration
CONTROL SYSTEMS
DATA PROCESSING
DESIGN
DIGITAL SYSTEMS
DISTRIBUTED DATA PROCESSING
ELECTRONIC CIRCUITS
Electronics
Exact sciences and technology
EXPERIMENT PLANNING
FABRICATION
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
Hardware
PLANNING
PROCESSING
Programmable control
SYNCHRONIZATION
THERMONUCLEAR DEVICES
Timing
TIMING CIRCUITS
TOKAMAK DEVICES 700410 > Specific Fusion Devices & Experiments-- (1992-)
Tokamaks
Variable speed drives
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Description
Summary:For the adaptive control system of the ASDEX Upgrade tokamak experiment a new digital timing system was developed. Its structure is centralized and distributed. The timing system defines a systemwide 100-ns absolute timescale by central generation of clock and time zero information. Distributed processes are synchronized by time events and state events generated centrally. The timing system supports preprogrammed operation and adaptive operation in close collaboration with the central control computers. A summary is presented of the ASDEX Upgrade timing system design and implementation and of aspects of the integration into the control system.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.277482