Cryogenics for the large hadron collider
P Lebrun - IEEE Transactions on Applied Superconductivity, 2000 - ieeexplore.ieee.org
The Large Hadron Collider (LHC), a 26.7 km circumference superconducting accelerator
equipped with high-field magnets operating in superfluid helium below 1.9 K, has now fully …
equipped with high-field magnets operating in superfluid helium below 1.9 K, has now fully …
A simulink library of cryogenic components to automatically generate control schemes for large cryorefrigerators
In this article, we present a new Simulink library of cryogenics components (such as valve,
phase separator, mixer, heat exchanger...) to assemble to generate model-based control …
phase separator, mixer, heat exchanger...) to assemble to generate model-based control …
Multivariable control architecture for a cryogenic test facility under high pulsed loads: Model derivation, control design and experimental validation
In this paper, a complete framework including modeling, identification and control design for
an experimental Helium refrigerator facility submitted to high pulsed loads is proposed. Such …
an experimental Helium refrigerator facility submitted to high pulsed loads is proposed. Such …
Nonlinear observer of the thermal loads applied to the helium bath of a cryogenic Joule–Thompson cycle
In this paper, a nonlinear observer of the thermal loads applied to the helium bath of a
cryogenic refrigerator is proposed. The thermal loads represent a time-varying thermal …
cryogenic refrigerator is proposed. The thermal loads represent a time-varying thermal …
Model based multivariable controller for large scale compression stations. design and experimental validation on the lhc 18kw cryorefrigerator
In this paper, a multivariable model-based non-linear controller for Warm Compression
Stations (WCS) is proposed. The strategy is to replace all the PID loops controlling the WCS …
Stations (WCS) is proposed. The strategy is to replace all the PID loops controlling the WCS …
Control of warm compression stations using model predictive control: Simulation and experimental results
This paper deals with multivariable constrained model predictive control for Warm
Compression Stations (WCS). WCSs are subject to numerous constraints (limits on …
Compression Stations (WCS). WCSs are subject to numerous constraints (limits on …
Nonlinear observer of the thermal loads applied on the helium bath of a cryogenic Joule-Thompson cycle observer design and experimental validation
In this paper, a nonlinear observer of the thermal loads applied to the helium bath of a
cryogenic refrigerator is proposed. The thermal loads represents a time-varying thermal …
cryogenic refrigerator is proposed. The thermal loads represents a time-varying thermal …
Physical control oriented model of large scale refrigerators to synthesize advanced control schemes. design, validation, and first control results
In this paper, a physical method to obtain control-oriented dynamical models of large scale
cryogenic refrigerators is proposed, in order to synthesize model-based advanced control …
cryogenic refrigerators is proposed, in order to synthesize model-based advanced control …
Modelling and model-based-designed PID control of the JT-60SA cryogenic system using the simcryogenics library
F Bonne, P Bonnay, C Hoa… - IOP Conference …, 2017 - iopscience.iop.org
This papers deals with the Japan Torus-60 Super Advanced fusion experiment JT-60SA
cryogenic system. A presentation of the JT-60SA cryogenic system model, from 300K to 4.4 …
cryogenic system. A presentation of the JT-60SA cryogenic system model, from 300K to 4.4 …
RF Field Control
S Simrock, Z Geng - Low-Level Radio Frequency Systems, 2022 - Springer
One of the LLRF system's core functions is controlling the RF field for particle beam
acceleration. An RF controller implements feedback or feedforward algorithms, regulating …
acceleration. An RF controller implements feedback or feedforward algorithms, regulating …