New desaturation strategy for digital PID controllers
作者:
H.W.Thomas,
D.J.Sandoz,
M.Thomson,
期刊:
IEE Proceedings D (Control Theory and Applications)
(IET Available online 1983)
卷期:
Volume 130,
issue 4
页码: 188-192
年代: 1983
DOI:10.1049/ip-d.1983.0033
出版商: IEE
数据来源: IET
摘要:
The phenomenon of ‘integral wind-up’ in a process controller, when a plant's actuation reaches its limits, is well known, and can cause severe problems. This is particularly so for batch reactors, in which the start-up phase, when such saturation occurs, is a significant proportion of the total process time. This short paper presents a new technique which has been used successfully in several processes. A practical example, relating to an industrial batch reaction process, is described in detail. The new method has proved to be very effective in this demanding application.
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