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Towards a New Generation of Relay Autotuners

Berner, Josefin LU ; Åström, Karl Johan LU and Hägglund, Tore LU (2014) 19th IFAC World Congress, 2014 In 19th IFAC World Congress, 2014
Abstract
The relay autotuner for PID control is based on the simple idea of investigating process dynamics by the oscillation obtained when the PID controller is replaced by a relay unction. In this paper an asymmetric relay function is used, which provides an equation for the static gain of the process. A method to find the normalized time delay is proposed and the benefits of this is discussed. Ways to find low-order models from the experiment are described. Considerations of how to choose the relay parameters are made and some examples are given.
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author
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
in press
subject
keywords
normalized time delay, autotuning, asymmetric relay, parameter estimation.
in
19th IFAC World Congress, 2014
conference name
19th IFAC World Congress, 2014
language
English
LU publication?
yes
id
1778b470-6724-4134-95e4-cb1005640c9b (old id 4436866)
date added to LUP
2014-05-12 12:02:38
date last changed
2017-06-12 12:14:49
@inproceedings{1778b470-6724-4134-95e4-cb1005640c9b,
  abstract     = {The relay autotuner for PID control is based on the simple idea of investigating process dynamics by the oscillation obtained when the PID controller is replaced by a relay unction. In this paper an asymmetric relay function is used, which provides an equation for the static gain of the process. A method to find the normalized time delay is proposed and the benefits of this is discussed. Ways to find low-order models from the experiment are described. Considerations of how to choose the relay parameters are made and some examples are given.},
  author       = {Berner, Josefin and Åström, Karl Johan and Hägglund, Tore},
  booktitle    = {19th IFAC World Congress, 2014},
  keyword      = {normalized time delay,autotuning,asymmetric relay,parameter estimation.},
  language     = {eng},
  title        = {Towards a New Generation of Relay Autotuners},
  year         = {2014},
}