Simple PID Controller Tuning Method for Processes with Inverse Response Plus Dead Time or Large Overshoot Response Plus Dead Time

Whenever a controlled variable encounters two (or more) competing dynamic effects with different time constants from the same manipulated variable, the resulting composite dynamic behavior of this process can exhibit a troublesome inverse response or a large overshoot response. These unusual dynamic...

Full description

Saved in:
Bibliographic Details
Published in:Industrial & engineering chemistry research 2003-10, Vol.42 (20), p.4461-4477
Main Authors: Chien, I-Lung, Chung, Yu-Cheng, Chen, Bo-Shuo, Chuang, Cheng-Yuan
Format: Article
Language:English
Subjects:
Applied sciences
Computer science
control theory
systems
Control theory. Systems
Exact sciences and technology
Process control. Computer integrated manufacturing
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Whenever a controlled variable encounters two (or more) competing dynamic effects with different time constants from the same manipulated variable, the resulting composite dynamic behavior of this process can exhibit a troublesome inverse response or a large overshoot response. These unusual dynamic behaviors together with the process dead time can cause problems in PID controller tuning. These types of responses are observed in some particle control loops in the chemical industry or can be observed more frequently in multiloop systems. In this paper, a simple PID controller tuning method will be proposed to handle these two difficult types of control loops. The proposed tuning method is derived from a direct synthesis controller design method. Both PID and PI-only tuning rules will be proposed in this paper.
ISSN:0888-5885
1520-5045
DOI:10.1021/ie020726z