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A "Universal Time" system for ASDEX Upgrade

MPS-Authors
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Raupp,  G.
Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;

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Behler,  K.
Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;

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Heimann,  P.
Computer Center Garching (RZG), Max Planck Institute for Plasma Physics, Max Planck Society;

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Lohs,  A.
Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society;

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Neu,  G.
Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;

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Schacht,  J.
W7-X: Construction, Max Planck Institute for Plasma Physics, Max Planck Society;
W7-X: Physics (PH), Max Planck Institute for Plasma Physics, Max Planck Society;

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Treutterer,  W.
Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society;

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Zasche,  D.
Experimental Plasma Physics 1 (E1), Max Planck Institute for Plasma Physics, Max Planck Society;

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Zehetbauer,  T.
Experimental Plasma Physics 2 (E2), Max Planck Institute for Plasma Physics, Max Planck Society;

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Zilker,  M.
Computer Center Garching (RZG), Max Planck Institute for Plasma Physics, Max Planck Society;

ASDEX Upgrade Team, 
Max Planck Society;

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Citation

Raupp, G., Cole, R., Behler, K., Fitzek, M., Heimann, P., Lohs, A., et al. (2003). A "Universal Time" system for ASDEX Upgrade. Fusion Engineering and Design, 66-68, 947-951. doi:10.1016/S0920-3796(03)00381-8.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0027-2DF3-B
Abstract
For the new generation of intelligent controllers for plasma diagnostics, discharge control and long-pulse experiment control a new time system supporting steady state real-time operation has been devised. A central unit counts time at nanosecond resolution, covering more than the experiment lifetime. The broadcast time information serves local units to perform application functions such as current time readout, trigger generation and sample time measurement. Time is treated as a precisely measured quantity like other physical quantities. Tagging all detected events and sampled values with measured times as [value; time]-entities facilitates real-time data analysis, steady state protocolling and time-sorted archiving.