Feedback action in predictive control: An experimental case study

被引：9

作者：

Gerksic, Samo ^{[1
]}

Strmcnik, Stanko ^{[1
]}

van den Boom, Ton ^{[2
]}

机构：

[1] Jozef Stefan Inst, Dept Syst & Control, Ljubljana 1000, Slovenia

[2] Delft Univ Technol, Delft Ctr Syst & Control, NL-2628 CD Delft, Netherlands

来源：

CONTROL ENGINEERING PRACTICE | 2008年 / 16卷 / 03期

关键词：

predictive control; disturbance rejection; state estimation; robustness; feedback systems;

D O I：

10.1016/j.conengprac.2007.04.012

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A state-space predictive controller is applied for control of a gas conditioning unit, an integrating process with two inputs and two outputs, in a real-life environment. The controller is used for low-level control where feedback performance is very important. Disturbance model structure selection is discussed in detail. The tuning procedure for the Kalman filter, based on the sensitivity functions approach, is explained through the study of simplified limit cases with few tuning parameters. Robustness is verified with a set of possible true models. While the conventional model predictive control approach results in much slower feedback performance than a simple diagonal P1 control scheme, the proposed controller rejects load disturbances more efficiently. (c) 2007 Elsevier Ltd. All rights reserved.

引用

页码：321 / 332

页数：12

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