Bounded positive control for double-pipe heat exchangers

被引：23

作者：

Zavala-Rio, A. ^{[1
]}

Astorga-Zaragoza, C. M. ^{[2
]}

Hernandez-Gonzalez, O. ^{[2
]}

机构：

[1] Inst Potosino Invest Cient & Technol, San Luis Potosi 78216, Mexico

[2] Ctr Nacl Invest & Desarrollo Tecnol, Cuernavaca 62490, Morelos, Mexico

来源：

CONTROL ENGINEERING PRACTICE | 2009年 / 17卷 / 01期

关键词：

Double-pipe heat exchangers; Temperature control; Global regulation; Bounded positive input; Saturation; RATE STEP CHANGE; IMPLEMENTATION; DESIGN;

D O I：

10.1016/j.conengprac.2008.05.011

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this work, an outlet temperature control scheme for double-pipe heat exchangers is proposed. Compared to previously proposed approaches, the algorithm developed here takes into account and actually exploits the analytical and stability properties inherent to the open-loop dynamics. As a result, outlet temperature regulation is achieved through a simple controller which does not need to feed back the whole state vector and does not depend on the exact value of the process parameters. Moreover, the proposed approach guarantees positivity and boundedness of the input flow rate without entailing a complex control algorithm. The analytical developments are corroborated through simulation and experimental results. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：136 / 145

页数：10

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