Control of Warm Compression Stations Using Model Predictive Control: Simulation and Experimental Results

26th International Cryogenic Engineering Conference & International Cryogenic Materials Conference 2016

材料科学;物理学

Bonne, F.^1,2 ; Alamir, M.^3 ; Bonnay, P.^1,2

Univ. Grenoble Alpes, INAC-SBT, Grenoble

F-38000, France^1

CEA, INAC-SBT, Grenoble

F-38000, France^2

CNRS-University of Grenoble Control Systems, Department of Gipsa-Lab, 11 rue des mathématiques, Saint-Martin-dHéres

38402, France^3

关键词: Constrained model predictive control;    Cryogenic cooling system;    Cryogenic refrigeration;    International thermonuclear experimental reactor;    Normal operations;    Pulsed heat loads;    Stopping criteria;    Warm compression;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/171/1/012135/pdf
DOI  :  10.1088/1757-899X/171/1/012135

学科分类：材料科学（综合）

来源: IOP

【 摘 要 】

This paper deals with multivariable constrained model predictive control for Warm Compression Stations (WCS). WCSs are subject to numerous constraints (limits on pressures, actuators) that need to be satisfied using appropriate algorithms. The strategy is to replace all the PID loops controlling the WCS with an optimally designed model-based multivariable loop. This new strategy leads to high stability and fast disturbance rejection such as those induced by a turbine or a compressor stop, a key-aspect in the case of large scale cryogenic refrigeration. The proposed control scheme can be used to achieve precise control of pressures in normal operation or to avoid reaching stopping criteria (such as excessive pressures) under high disturbances (such as a pulsed heat load expected to take place in future fusion reactors, expected in the cryogenic cooling systems of the International Thermonuclear Experimental Reactor ITER or the Japan Torus-60 Super Advanced fusion experiment JT-60SA). The paper details the simulator used to validate this new control scheme and the associated simulation results on the SBTs WCS. This work is partially supported through the French National Research Agency (ANR), task agreement ANR-13-SEED-0005.