Current status of DIII-D real-time digital plasma control

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This paper describes the current status of real-time digital plasma control for the DIII-D tokamak. The digital plasma control system (PCS) has been in place at DIII-D since the early 1990s and continues to expand and improve in its capabilities to monitor and control plasma parameters for DIII-D fusion science experiments. The PCs monitors over 200 tokamak parameters from the DIII-D experiment using a real-time data acquisition system that acquires a new set of samples once every 60 {micro}s. This information is then used in a number of feedback control algorithms to compute and control a variety of parameters including ... continued below

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5 p.

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Penaflor, B.G.; Piglowski, D.A.; Ferron, J.R. & Walker, M.L. June 1, 1999.

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  • General Atomic Company
    Publisher Info: General Atomics, San Diego, CA (United States)
    Place of Publication: San Diego, California

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Description

This paper describes the current status of real-time digital plasma control for the DIII-D tokamak. The digital plasma control system (PCS) has been in place at DIII-D since the early 1990s and continues to expand and improve in its capabilities to monitor and control plasma parameters for DIII-D fusion science experiments. The PCs monitors over 200 tokamak parameters from the DIII-D experiment using a real-time data acquisition system that acquires a new set of samples once every 60 {micro}s. This information is then used in a number of feedback control algorithms to compute and control a variety of parameters including those affecting plasma shape and position. A number of system related improvements has improved the usability and flexibility of the DIII-D PCS. These include more graphical user interfaces to assist in entering and viewing the large and ever growing number of parameters controlled by the PCS, increased interaction and accessibility from other DIII-D applications, and upgrades to the computer hardware and vended software. Future plans for the system include possible upgrades of the real-time computers, further links to other DIII-D diagnostic measurements such as real-time Thomson scattering analysis, and joint collaborations with other tokamak experiments including the NSTX at Princeton.

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5 p.

Notes

INIS; OSTI as DE99003183

Source

  • 11. IEEE/NPSS real time conference, Santa Fe, NM (United States), 14-18 Jun 1999

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  • Other: DE99003183
  • Report No.: GA--A23146
  • Report No.: CONF-990617--
  • Grant Number: AC03-99ER54463
  • Office of Scientific & Technical Information Report Number: 354992
  • Archival Resource Key: ark:/67531/metadc680645

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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  • June 1, 1999

Added to The UNT Digital Library

  • July 25, 2015, 2:20 a.m.

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  • April 18, 2016, 5:57 p.m.

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Penaflor, B.G.; Piglowski, D.A.; Ferron, J.R. & Walker, M.L. Current status of DIII-D real-time digital plasma control, article, June 1, 1999; San Diego, California. (digital.library.unt.edu/ark:/67531/metadc680645/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.