Simulation Study on Application of Nonlinear Model Predictive Control to the Superfluid Helium Cryogenic Circuit

R Noga, T Ohtsuka, C de Prada, E Blanco… - IFAC Proceedings …, 2011 - Elsevier
In the 27 km circumference Large Hadron Collider, the temperature of more than 1600 main
superconducting magnets is stabilized below 2 K by the Superfluid Helium Cryogenic …

A real‐time algorithm for nonlinear infinite horizon optimal control by time axis transformation method

J Marutani, T Ohtsuka - International Journal of Robust and …, 2013 - Wiley Online Library
In this paper, a real‐time algorithm is proposed for nonlinear infinite horizon optimal control.
The time axis transformation of the horizon is combined with receding horizon control to …

[PDF][PDF] NMPC for stiff, distributed parameter system: Semi-Automatic Code Generation and optimality condition evaluation

R Noga, T Ohtsuka - … of the 18th International Conference on …, 2011 - predictive-control.com
AutoGenU is a Mathematica program to automatically generate simulation programs for
Nonlinear Model Predictive Control (NMPC). It analytically evaluates the Jacobians …

Non-linear Model Predictive Control for cooling strings of superconducting magnets using superfluid helium

R Noga - 2015 - uvadoc.uva.es
In each of eight arcs of the 27 km circumference Large Hadron Collider (LHC), 2.5 km long
strings of super-conducting magnets are cooled with superfluid Helium II at 1.9 K. The …

Temperature Stabilization of Long Strings of Superconducting Magnets using Superfluid

RN CV, C de Prada, T Ohtsuka, EB Vinuela… - predictive-control.com
The subject of this thesis is conception, design, implementation and tests of new prototype
control system for temperature stabilisation of long strings of superconducting magnets at …

NMPC for the Superfluid Helium Cryogenic Circuit at the LHC Arcs

RN CV, C de Prada, T Ohtsuka, EB Vinuela… - rafal-noga.com
We have been studying application of the Nonlinear Model Predictive Control (NMPC) for
the Superfluid Helium Cryogenic Circuit at the Large Hadron Collider (LHC) Arcs. Our goal …