New offset-free method for model predictive control of open channels

被引：37

作者：

Horvath, Klaudia ^{[1
]}

Galvis, Eduard ^{[2
]}

Gomez Valentin, Manuel ^{[1
]}

Rodellar, Jose ^{[2
]}

机构：

[1] Tech Univ Catalonia, Barcelonatech, Dept Hydraul Maritime & Environm Engn, Barcelona 08032, Spain

[2] Tech Univ Catalonia, Barcelonatech, Dept Appl Math 3, Barcelona 08034, Spain

来源：

CONTROL ENGINEERING PRACTICE | 2015年 / 41卷

关键词：

Model predictive control; Offset-free; Irrigation; Automatic control; Integrator resonance; Experimental canal; IRRIGATION; OPERATION;

D O I：

10.1016/j.conengprac.2015.04.002

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Irrigation or drainage canals can be controlled by model predictive control (MPC). Applying MPC with an internal model in the presence of unknown disturbances in some cases can lead to steady state offset. Therefore an additional component should be implemented along with the MPC. A new method eliminating the offset has been developed in this paper for MPC. It is based on combining two basic approaches of MPC. It has been implemented to control water levels in the three-pool UPC laboratory canal and further numerically tested using a test case benchmark proposed by the American Society of Civil Engineers (ASCE). It has been found that the developed offset-free method is able to eliminate the steady-state offset, while taking into account known and unknown disturbances. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：13 / 25

页数：13

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