NDLI: Latest advancements in DIII-D Plasma Control software and hardware

Content Provider	IEEE Xplore Digital Library
Author	Penaflor, B.G. Ferron, J.R. Hyatt, A.W. Walker, M.L. Johnson, R.D. Piglowski, D.A. Kolemen, E. Welander, A.S. Lanctot, M.J.
Copyright Year	2013
Description	Author affiliation: Gen. Atomics, San Diego, CA, USA (Penaflor, B.G.; Ferron, J.R.; Hyatt, A.W.; Walker, M.L.; Johnson, R.D.; Piglowski, D.A.; Kolemen, E.; Welander, A.S.; Lanctot, M.J.)
Abstract	A number of important software and hardware changes have recently been made to the DIII-D Plasma Control System (PCS) to further its capabilities in support of fusion research. The PCS is a highly customizable real-time control application developed at General Atomics used to manage the many parameters that affect plasmas produced on the DIII-D tokamak. Included in the most recent updates to the PCS are refinements to the real-time Electron Cyclotron Heating (ECH) capabilities which have improved overall performance and reliability for fast and precise aiming of the mirrors used to control direct ECH power into the plasma. The introduction of new real-time streaming data acquisition hardware has provided a means for acquiring plasma electron temperatures and densities from the Thomson scattering System along with data from the Electron Cyclotron Emission (ECE) diagnostic for use in PCS feedback control algorithms. The new fiber optically connected streaming digitizers allow PCS computers located in one part of the tokamak facility to easily communicate with remotely located diagnostic systems in other parts of the lab, in addition to being able to transfer high frequency data (sampled at 500 Hz) for a large number of channels in real-time. Details of the most recent PCS enhancements will be provided along with a more thorough description of the latest software and hardware architecture.
Starting Page	1
Ending Page	4
File Size	332517
Page Count	4
File Format	PDF
e-ISBN	9781479901715
DOI	10.1109/SOFE.2013.6635496
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-06-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Real-time systems Computers Hardware Software Tokamaks Mirrors
Content Type	Text
Resource Type	Article

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