Plasma magnetic control in tokamak devices

G De Tommasi - Journal of Fusion Energy, 2019 - Springer
In tokamak experimental reactors, the magnetic control system is one of the main plasma
control systems that is required, together with the density control, since the very beginning …

A deep reinforcement learning approach for vertical stabilization of tokamak plasmas

S Dubbioso, G De Tommasi, A Mele… - Fusion Engineering and …, 2023 - Elsevier
Reinforcement Learning has emerged as a promising approach to implement efficient data-
driven controllers for a variety of applications. In this paper, a Deep Deterministic Policy …

Continuous, saturation, and discontinuous tokamak plasma vertical position control systems

YV Mitrishkin, EA Pavlova, EA Kuznetsov… - Fusion Engineering and …, 2016 - Elsevier
This paper is devoted to the design and comparison of unstable plasma vertical position
control systems in the T-15 tokamak with the application of two types of actuators: a …

Vertical stabilization of tokamak plasmas via extremum seeking

S Dubbioso, LE di Grazia, G De Tommasi… - IFAC Journal of Systems …, 2022 - Elsevier
In this paper we propose a vertical stabilization (VS) control system for tokamak plasmas
based on the extremum seeking (ES) algorithm. The gist of the proposed strategy is to inject …

Implementation of the disruption predictor APODIS in JET real time network using the MARTe framework

JM López, J Vega, D Alves… - 2012 18th IEEE …, 2012 - ieeexplore.ieee.org
The evolution in the past years of Machine learning techniques, as well as the technological
evolution of computer architectures and operating systems, are enabling new approaches …

Plasma Control in Tokamaks. Part 2.

YV Mitrishkin, NM Kartsev, EA Pavlova… - Advances in Systems …, 2018 - ijassa.ipu.ru
Various systems of magnetic control of plasma position, current, and shape are considered
in vertically elongated tokamaks including spherical tokamaks being in operation. The …

Vertical stabilization of ITER plasma using explicit model predictive control

S Gerkšič, G de Tommasi - Fusion Engineering and Design, 2013 - Elsevier
In this work we explore advanced control algorithms for the vertical stabilization of plasma in
the ITER tokamak for the case where a combination of ohmic in-vessel and superconducting …

Plasma magnetic cascade multiloop control system design methodology in a tokamak

YV Mitrishkin, PS Korenev, NM Kartsev… - Control Engineering …, 2019 - Elsevier
The paper treats the methodology of the design and analysis of a tokamak plasma magnetic
cascade multiloop control system with the example of the Globus-M spherical tokamak (Ioffe …

Plasma magnetic time-varying nonlinear robust control system for the Globus-M/M2 tokamak

YV Mitrishkin, AA Prokhorov, PS Korenev… - Control Engineering …, 2020 - Elsevier
This paper is devoted to the development of the magnetic plasma control system for the
Globus-M/M2 spherical tokamak (ST) when minor disruptions occur. The novelty of the …

Shape control with the extreme shape controller during plasma current ramp-up and ramp-down at the jet tokamak

G De Tommasi, G Ambrosino, M Ariola… - Journal of Fusion …, 2014 - Springer
Abstract The eXtreme Shape Controller (XSC) has been originally designed to control the
plasma shape at JET during the flat-top phase, when the plasma current has a constant …