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Control methods for the optimization of plasma scenarios in a tokamak

Jacques Blum 1, 2 Cédric Boulbe 1, 2 Blaise Faugeras 1, 2 Holger Heumann 1, 2 
1 CASTOR - Control, Analysis and Simulations for TOkamak Research
CRISAM - Inria Sophia Antipolis - Méditerranée , JAD - Laboratoire Jean Alexandre Dieudonné
Abstract : This paper presents the modelling of the evolution of plasma equilibrium in the presence of external poloidal field circuits and passive structures. The optimization of plasma scenarios is formulated as an optimal control problem where the equations for the evolution of the plasma equilibrium are the constraints. The procedure determines the voltages applied to the external circuits that minimize a certain cost-function representing the distance to a desired plasma augmented by an energetic cost of the electrical system. A sequential quadratic programming method is used to solve the minimization of the cost-function and an application to the optimization of a discharge for ITER is shown.
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https://hal.archives-ouvertes.fr/hal-01656539
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Submitted on : Tuesday, December 5, 2017 - 5:08:52 PM
Last modification on : Thursday, August 4, 2022 - 4:58:37 PM

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  • HAL Id : hal-01656539, version 1

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Jacques Blum, Cédric Boulbe, Blaise Faugeras, Holger Heumann. Control methods for the optimization of plasma scenarios in a tokamak. IFIP TC7 2015 - 27th Conference on System Modeling and Optimization, Jun 2015, Sophia Antipolis, France. pp.1-20. ⟨hal-01656539⟩

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