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@inproceedings{Choudhury:2005:10.3182/20050703-6-cz-1902.01589,
author = {Choudhury, MAAS and Kariwala, V and Shah, SL and Douke, H and Takada, H and Thornhill, NF},
doi = {10.3182/20050703-6-cz-1902.01589},
pages = {81--86},
title = {A simple test to confirm control valve stiction},
url = {http://dx.doi.org/10.3182/20050703-6-cz-1902.01589},
year = {2005}
}

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TY  - CPAPER
AB  - Stiction is a common problem in the widely used spring-diaphragm type control valves in the process industry. Several methods are available for detecting stiction in control valves. After detection of stiction, a test is required to confirm that the valve in question is indeed suffering from stiction. This paper presents a simple closed loop test, based on changing only the controller gain, for confirming the presence of stiction. The method does not require that the loop be put in manual, which can otherwise upset the plant. The usefulness of this test is demonstrated through simulation studies and an industrial application. Copyright © 2005 IFAC.
AU  - Choudhury,MAAS
AU  - Kariwala,V
AU  - Shah,SL
AU  - Douke,H
AU  - Takada,H
AU  - Thornhill,NF
DO  - 10.3182/20050703-6-cz-1902.01589
EP  - 86
PY  - 2005///
SN  - 1474-6670
SP  - 81
TI  - A simple test to confirm control valve stiction
UR  - http://dx.doi.org/10.3182/20050703-6-cz-1902.01589
ER  -

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