Effect of Control Horizon in Model Predictive Control for Steam/Water Loop in Large-Scale Ships

被引:19
|
作者
Zhao, Shiquan [1 ,2 ,3 ]
Maxim, Anca [1 ,3 ,4 ]
Liu, Sheng [2 ]
De Keyser, Robin [1 ,3 ]
Ionescu, Clara [1 ,3 ,5 ]
机构
[1] Univ Ghent, Res Grp Dynam Syst & Control, Dept Elect Energy Met Mech Construct & Syst, B-9052 Ghent, Belgium
[2] Harbin Engn Univ, Coll Automat, Harbin 150001, Heilongjiang, Peoples R China
[3] Flanders Make, Core Lab EEDT Energy Efficient Drive Trains, B-3920 Lommel, Belgium
[4] Gheorghe Asachi Tech Univ Iasi, Dept Automat Control & Appl Informat, Blvd Mangeron 27, Iasi 700050, Romania
[5] Tech Univ Cluj Napoca, Dept Automat, Memorandumului St 28, Cluj Napoca 400114, Romania
关键词
model predictive control; control horizon; steam power plant; steam/water loop; multi-input and multi-output system; loop design; SYSTEMS;
D O I
10.3390/pr6120265
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
This paper presents an extensive analysis of the properties of different control horizon sets in an Extended Prediction Self-Adaptive Control (EPSAC) model predictive control framework. Analysis is performed on the linear multivariable model of the steam/water loop in large-scale watercraft/ships. The results indicate that larger control horizon values lead to better loop performance, at the cost of computational complexity. Hence, it is necessary to find a good trade-off between the performance of the system and allocated or available computational complexity. In this original work, this problem is explicitly treated as an optimization task, leading to the optimal control horizon sets for the steam/water loop example. Based on simulation results, it is concluded that specific tuning of control horizons outperforms the case when only a single valued control horizon is used for all the loops.
引用
收藏
页数:14
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