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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Garrido, I. Garrido, A.J. Barambones, O. Alkorta, P. Maseda, F.J. |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. Autom. Control & Syst. Eng., Basque Country Univ., Bilbao (Garrido, I.; Garrido, A.J.; Barambones, O.) |
| Abstract | Nuclear fusion is nowadays one of the newest and most promising clean energies, composing a new application area of Control Engineering, with new and interesting challenges for the control community. In this sense, this paper deals with the modeling of tokamak nuclear fusion reactors. In order to control the creation of unstable modes in fusion processes, it is necessary to derive numerical models suitable for control strategies. The model presented addresses flux and energy conservation issues, discussing the mechanisms behind the creation of uncontrollable modes. The dynamics of the system is given by means of the energy functions which are solved for the currents in the structure, plasma current and plasma position. Thus, the equations for the state variables are derived based on the Hamiltonian equation of motion. In order to solve numerically, this model is linearised around an operation point by taking a Newton-Raphson step. Besides, the system output is completed by considering the equations for the flux and the poloidal field. Finally, the resulting low-order linear model is modified so as to obtain the corresponding state-space model which is verified by means of numerical simulations. |
| Starting Page | 001437 |
| Ending Page | 001442 |
| File Size | 112965 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781424416424 |
| ISSN | 08407789 |
| DOI | 10.1109/CCECE.2008.4564779 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-05-04 |
| Publisher Place | Canada |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Tokamaks Fusion reactors Plasma sources Plasma confinement Toroidal magnetic fields Superconducting coils Nonlinear equations Plasma density Automatic control Inductors Linear Control Plasma Control Tokamak Model Grad-Shafranov Newton-Raphson |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Hardware and Architecture |
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