Model based optimization and estimation of the field map during the breakdown phase in the ITER tokamak

R Ambrosino, G De Tommasi, M Mattei… - 2015 IEEE Conference …, 2015 - ieeexplore.ieee.org
The design of a breakdown scenario in a modern tokamak requires the optimization of
Poloidal Field coils voltages and currents to guarantee a desired electric field and a low …

A fast reconstruction approach for the assessment of magnetic diagnostic systems in nuclear fusion devices

AG Chiariello, A Formisano, F Ledda… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
The information coming from the diagnostic system is of vital importance for the correct
functioning of many electromagnetic devices. In particular, for nuclear fusion devices, the …

Iterative Axisymmetric Identification Algorithm (IAIA) for real-time reconstruction of the plasma boundary of ITER

P Bettini, A Cenedese - Fusion Engineering and Design, 2013 - Elsevier
A new boundary reconstruction procedure is presented and validated against ITER nominal
equilibria. An approximation of the plasma with an equivalent filamentary current model is …

Dynamic identification of plasma magnetic contour in fusion machines

P Bettini, M Cavinato, F Trevisan - Nuclear fusion, 2004 - iopscience.iop.org
The paper presents a method to identify the plasma magnetic contour in fusion machines,
when eddy currents are present in the conducting structures surrounding the plasma. The …

Regularization of inverse magnetostatic problems: possibilities and pitfalls

A Formisano - COMPEL-The international journal for computation and …, 2005 - emerald.com
Purpose–Inverse problems are usually ill‐conditioned, requiring the adoption of
regularization techniques to obtain reliable results. The choice of the regularization method …

Optimisation of magnetic sensors for current reconstruction

A Formisano, R Martone - … journal for computation and mathematics in …, 2003 - emerald.com
The problem of reconstructing the current profile in regions not directly accessible by
sensors is tackled, with reference to current profile reconstruction in cable in conduit …

An approach to the plasma magnetic contour identification in presence of eddy currents

P Bettini, F Trevisan… - IEEE transactions on …, 2002 - ieeexplore.ieee.org
The research in the thermonuclear fusion area has entered the design phase of ITER, the
first experimental Tokamak reactor. In the ITER device, the plasma shape and position are …

A reduced basis approach to plasma equilibrium reconstruction in tokamaks

A Mele, G De Tommasi, M Mattei, A Pironti - Fusion Engineering and …, 2020 - Elsevier
In this paper, the Proper Orthogonal Decomposition approach is exploited to obtain a
Reduced Order Model for the plasma magnetic equilibrium problem, described by the Grad …

3D magnetic surfaces reconstruction in RFX-mod

P Bettini, AG Chiariello, A Formisano, F Ledda… - Fusion Engineering and …, 2017 - Elsevier
The paper proposes an approach for the identification of magnetic surfaces, and particularly
of the Last Closed Magnetic Surface, in nuclear fusion devices. The proposed method is …

Assessment of the diagnostics for shape control in fusion machines

A Cenedese, P Bettini - 2012 IEEE 51st IEEE Conference on …, 2012 - ieeexplore.ieee.org
In fusion devices, the accurate reconstruction of the boundary location and shape from
magnetic diagnostics is of paramount importance for the efficient control of the plasma …