Lyapunov-based optimizing control of nonlinear blending processes

被引：10

作者：

Johansen, TA ^{[1
]}

Sbárbaro, D

机构：

[1] Norwegian Univ Sci & Technol, Dept Engn Cybernet, N-7491 Trondheim, Norway

[2] Univ Concepcion, Dept Elect Engn, Concepcion, Chile

来源：

IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 2005年 / 13卷 / 04期

关键词：

control Lyapunov functions (CLFs); nonlinear observers; optimization; process control; Wiener models;

D O I：

10.1109/TCST.2004.841676

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Blending processes consisting of linear dynamics and a static nonlinearity are considered. We propose a control law that optimizes the equilibrium point of the process and regulates the output to the corresponding equilibrium state. A control Lyapunov function (CLF) is used to derive a stable optimizing update law for the equilibrium point, in combination with a linear quadratic (LQ) feedback law for tracking the optimized equilibrium point. The analysis and design also incorporates the use of an observer for state and bias estimation. Experimental results using a laboratory scale colorant blending process illustrate the efficiency of the method.

引用

页码：631 / 638

页数：8

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