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Optimal control of tokamak and stellarator plasma behaviour

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  • Rastovic, Danilo

Abstract

The control of plasma transport, laminar and turbulent, is investigated, using the methods of scaling, optimal control and adaptive Monte Carlo simulations. For this purpose, the asymptotic behaviour of kinetic equation is considered in order to obtain finite-dimensional invariant manifolds, and in this way the finite-dimensional theory of control can be applied. We imagine the labyrinth of open doors and after applying self-similarity, the motion moved through all the desired doors in repeatable ways as Brownian motions. We take local actions for each piece of contractive ergodic motion, and, after self-organization in adaptive invariant measures, the optimum movement of particles is obtained according to the principle of maximum entropy. This is true for deterministic and stochastic cases that serve as models for plasma dynamics.

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  • Rastovic, Danilo, 2007. "Optimal control of tokamak and stellarator plasma behaviour," Chaos, Solitons & Fractals, Elsevier, vol. 32(2), pages 676-681.
    • Handle: RePEc:eee:chsofr:v:32:y:2007:i:2:p:676-681
    DOI: 10.1016/j.chaos.2005.11.016
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    1. Monceau, Pascal & Hsiao, Pai-Yi, 2004. "Direct evidence for weak universality on fractal structures," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 331(1), pages 1-9.
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