NDLI: Physics-based control-oriented modeling of the safety factor profile dynamics in high performance tokamak plasmas

Content Provider	IEEE Xplore Digital Library
Author	Barton, J.E. Shi, W. Besseghir, K. Lister, J. Kritz, A. Schuster, E. Luce, T.C. Walker, M.L. Humphreys, D.A. Ferron, J.R.
Copyright Year	2013
Description	Author affiliation: Centre de Rech. en Phys. des Plasmas (CRPP), Ecole Polytech. Fed. de Lausanne (EPFL), Lausanne, Switzerland (Besseghir, K.; Lister, J.) \|\| Dept. of Mech. Eng. & Mech., Lehigh Univ., Bethlehem, PA, USA (Barton, J.E.; Shi, W.; Schuster, E.) \|\| Dept. of Phys., Lehigh Univ., Bethlehem, PA, USA (Kritz, A.) \|\| Gen. Atomics, San Diego, CA, USA (Luce, T.C.; Walker, M.L.; Humphreys, D.A.; Ferron, J.R.)
Abstract	The tokamak is a device that utilizes magnetic fields to confine a reactant gas to generate energy from nuclear fusion reactions. The next step towards the realization of a tokamak power plant is the ITER project, and extensive research has been conducted to find high performance operating scenarios characterized by a high fusion gain and plasma stability. A key property related to both the stability and performance of the plasma is the safety factor profile (q-profile). In this work, a general control-oriented physics-based modeling approach is developed, with emphasis on high performance scenarios, to convert the first-principles physics model that describes the q-profile evolution in the tokamak into a form suitable for control design, with the goal of developing closed-loop controllers to drive the q-profile to a desired target evolution. The DINA-CH& CRONOS and PTRANSP advanced tokamak simulation codes are used to tailor the first-principles-driven (FPD) model to the ITER and DIII-D tokamak geometries, respectively. The model's prediction capabilities are illustrated by comparing the prediction to simulated data from DINA-CH&CRONOS for ITER and to experimental data for DIII-D.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	4182
Ending Page	4187
File Size	663598
Page Count	6
File Format	PDF
ISBN	9781467357142
ISSN	07431546
e-ISBN	9781467357173
DOI	10.1109/CDC.2013.6760531
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-12-10
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Tokamaks Magnetosphere Plasma temperature Toroidal magnetic fields Safety Gyrotrons
Content Type	Text
Resource Type	Article
Subject	Control and Optimization Control and Systems Engineering Modeling and Simulation

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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