Nonlinear controllers for solar thermal plants: A comparative study

被引：9

作者：

de Andrade, G. A. ^{[1
]}

Alvarez, J. D. ^{[2
]}

Pagano, D. J. ^{[1
]}

Berenguel, M. ^{[2
]}

机构：

[1] Univ Fed Santa Catarina, Dept Automacao & Sistemas, BR-88040900 Florianopolis, SC, Brazil

[2] Univ Almeria CIESOL, Dept Informat, CeiA3, La Canada De San Urbano 04120, Spain

来源：

CONTROL ENGINEERING PRACTICE | 2015年 / 43卷

关键词：

Nonlinear model-based predictive control; Partial differential equations; Sliding mode control; Solar thermal plant; Temperature control; COLLECTOR FIELDS; CONTROL SCHEMES;

D O I：

10.1016/j.conengprac.2015.06.002

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Solar plants have nonlinear dynamics which must be taken into account when a control system is applied to them. The main purpose of the control systems is to maintain the outlet temperature in a desired reference value and, at the same time, attenuate the undesirable transients caused by the disturbances. Linear controllers, like PID ones, are not able to obtain good performance over the whole operation range of these kind of plants. To overcome these limitations two nonlinear controllers, a nonlinear model-based predictive controller and a distributed sliding mode controller, are applied to a solar plant in this work. The performance of these controllers is tested through experimental and simulation results, which show the tracking and disturbance rejection capabilities of the proposed controllers. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：12 / 20

页数：9

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