Automated shot-to-shot optimization of the plasma start-up scenario in the TCV tokamak

LE di Grazia, F Felici, M Mattei, A Merle, P Molina… - Nuclear …, 2024 - iopscience.iop.org
Plasma start-up is typically achieved manipulating poloidal magnetic fields, gas injection
and possibly auxiliary heating. Model-based design techniques have been gaining …

Current Limit Avoidance Algorithms for DEMO Operation

LE di Grazia, D Frattolillo, G De Tommasi… - Journal of Optimization …, 2023 - Springer
Tokamaks are the most promising devices to prove the feasibility of energy production using
nuclear fusion on Earth which is foreseen as a possible source of energy for the next …

Roles of ECH system in DTT plasma operations

G Granucci, F Auriemma, L Aucone, B Baiocchi… - Nuclear …, 2024 - iopscience.iop.org
Abstract The Divertor Tokamak Test (DTT) facility is equipped with auxiliary heating systems
in order to be able to load the divertor with a power flux relevant to study the power exhaust …

Exploration of ITER operational space with as-built stiffness of central solenoid modules

SH Kim, SC McIntosh, Y Gribov, A Loarte… - Nuclear …, 2023 - iopscience.iop.org
The as-built stiffness in the ITER central solenoid (CS) modules (CSM1 thorough to CSM4
are currently manufactured) determines the range of vertical compression forces that can be …

Decoupled magnetic control of spherical tokamak divertors via vacuum harmonic constraints

OP Bardsley, JL Baker, C Vincent - Plasma Physics and …, 2024 - iopscience.iop.org
Power exhaust is a critical challenge for spherical tokamak reactors, making the design,
optimisation and control of advanced divertor configurations crucial. These tasks are greatly …

Overview on the Applicability of the ITER/NPP-Like Technologies to the DEMO Plant Electrical System and Promising Alternatives

A Ferro, T Franke, E Gaio, S Bifaretti… - … on Plasma Science, 2024 - ieeexplore.ieee.org
The Plant Electrical System (PES) of the European DEMOnstration fusion power plant
(DEMO), presently under conceptual design, shall supply power to the loads and deliver net …

Iterative Learning Optimisation and Control of MAST-U Breakdown and Early Ramp-up Scenarios

LE Di Grazia, C Vincent, M Mattei… - … on Control, Decision …, 2024 - ieeexplore.ieee.org
Plasma initiation is an important phase in a tokamak discharge and its design and
optimization is getting more and more attention in view of the operation of large tokamaks …

Magnetic Control Strategies for the Breakdown and Early Ramp-up in Large Tokamaks

LE di Grazia, M Mattei, A Pironti… - 2022 IEEE Conference …, 2022 - ieeexplore.ieee.org
Magnetic control for plasma initiation in a toka-mak is mainly achieved with a feedforward
voltage control action pre-computed on the basis of a model of the plant. In medium/large …