Learning against uncertainty in control engineering

M Alamir - Annual Reviews in Control, 2022 - Elsevier
In this paper, some data-based control design options that can be used to accommodate for
the presence of uncertainties in continuous-state engineering systems are recalled and …

Updates on magnet design for EU-DEMO reactor: Optimization studies on TF and CS systems

L Zani, F Bonne, V Corato, Q Le Coz… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
In the framework of EU design activities for dimensioning the future fusion DEMOnstration
reactor (DEMO), extensive analyses were conducted in EUROfusion context, aiming at …

Fixed-point based hierarchical MPC control design for a cryogenic refrigerator

M Alamir, P Bonnay, F Bonne, VV Trinh - Journal of Process Control, 2017 - Elsevier
In this paper, a simple, general and scalable hierarchical control framework is proposed and
validated through the interconnection of the Joule–Thomson and the Brayton cycle stages of …

Status of the SPIRAL 2 LINAC cryogenic system

A Ghribi, PE Bernaudin, A Vassal, F Bonne - Cryogenics, 2017 - Elsevier
SPIRAL 2 is a state of the art superconducting linear accelerator expected to deliver some of
the highest intensity rare isotope beams on earth. The project has been in …

Optimization of the cooling capacity of the cryo-magnetic system for EU DEMO at the pre-conceptual design phase

F Bonne, C Hoa, Q Le Coz, L Zani, B Lacroix… - Fusion Engineering and …, 2019 - Elsevier
The cryo-magnetic system of the future tokamak EU DEMO includes the superconducting
magnets cooled by a forced flow of supercritical helium at about 4.5 K, the cryo-distribution …

Quench simulation of a DEMO TF coil using a quasi-3D coupling tool

Q Le Coz, D Ciazynski, M Coleman… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
In the framework of the EUROfusion DEMO project, design studies for the tokamak magnet
systems are conducted across several European institutions. Superconducting magnets are …

Control of warm compression stations using model predictive control: Simulation and experimental results

F Bonne, M Alamir, P Bonnay - IOP Conference Series: Materials …, 2017 - iopscience.iop.org
This paper deals with multivariable constrained model predictive control for Warm
Compression Stations (WCS). WCSs are subject to numerous constraints (limits on …

Spiral 2 Cryogenic System for The Superconducting LINAC

A Ghribi, PE Bernaudin, Y Bert… - IOP Conference …, 2017 - iopscience.iop.org
SPIRAL 2 1 is a rare isotope accelerator dedicated to the production of high intensity beams
(E= 40 MeV, I= 5 mA). The driver is a linear accelerator (LINAC) that uses bulk Niobium …

Dynamic thermal-hydraulic simulations of the JT-60SA cryogenic system for preparing plasma operation

F Bonne, C Hoa, S Nicollet, L Zani… - IOP Conference …, 2019 - iopscience.iop.org
Recent measurements on the JT-60SA toroidal field coils showed a slightly higher pressure
drop than expected, resulting in a lower supercritical helium mass flow rate during normal …

Etude d'un réseau cryogénique multi-clients pour SPIRAL2

A Vassal - 2019 - theses.hal.science
Les travaux de thèse décrits dans ce manuscrit s' intéressent à la modélisation et lecontrôle
de procédés cryogéniques associés à un LINAC supraconducteur. Les …