Comparison of friction models applied to a control valve

被引：74

作者：

Garcia, Claudio ^{[1
]}

机构：

[1] Univ Sao Paulo, Polytech Sch, Dept Telecommun & Control Engn, Lab Automat & Control, BR-05508900 Sao Paulo, Brazil

来源：

CONTROL ENGINEERING PRACTICE | 2008年 / 16卷 / 10期

关键词：

control valves; stiction; stick-slip; static friction models; dynamic friction models; data-driven models;

D O I：

10.1016/j.conengprac.2008.01.010

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Eight different models to represent the effect of friction in control valves are presented: four models based on physical principles and four empirical ones. The physical models, both static and dynamic, have the same structure. The models are implemented in Simulink/Matlab (R) and compared, using different friction coefficients and input signals. Three of the models were able to reproduce the stick-slip phenomenon and passed all the tests, which were applied following ISA standards. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：1231 / 1243

页数：13

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