Advanced

Quantitative Analysis of Influences of Model Plant Mismatch on Control Loop Behavior

Wang, Hong; Hägglund, Tore LU and Song, Zhihuan (2012) In Industrial & Engineering Chemistry Research 51(49). p.15997-16006
Abstract
There is normally a mismatch between the current model of the plant and the model that was used for design. This mismatch is normally acceptable when the controller is designed. But if the process dynamics changes, the mismatch may be so large that the control behavior degrades and may be unacceptable. This paper evaluates the influences of model plant mismatch on the control loop behavior quantitatively. A novel method is developed to calculate proposed performance and robustness indices based on the controller and the mismatch. Priorities for maintenance can be made using these indices. Case studies demonstrate the efficacy of the methodology. In addition, the effects of different process dynamics are studied by general analysis.
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Industrial & Engineering Chemistry Research
volume
51
issue
49
pages
15997 - 16006
publisher
The American Chemical Society
external identifiers
  • wos:000313769700021
  • scopus:84870864715
ISSN
0888-5885
DOI
10.1021/ie300834y
language
English
LU publication?
yes
id
070a9618-5df5-4ca5-afb2-7be55a652c3f (old id 3568051)
date added to LUP
2013-03-25 13:37:45
date last changed
2017-10-22 04:28:22
@article{070a9618-5df5-4ca5-afb2-7be55a652c3f,
  abstract     = {There is normally a mismatch between the current model of the plant and the model that was used for design. This mismatch is normally acceptable when the controller is designed. But if the process dynamics changes, the mismatch may be so large that the control behavior degrades and may be unacceptable. This paper evaluates the influences of model plant mismatch on the control loop behavior quantitatively. A novel method is developed to calculate proposed performance and robustness indices based on the controller and the mismatch. Priorities for maintenance can be made using these indices. Case studies demonstrate the efficacy of the methodology. In addition, the effects of different process dynamics are studied by general analysis.},
  author       = {Wang, Hong and Hägglund, Tore and Song, Zhihuan},
  issn         = {0888-5885},
  language     = {eng},
  number       = {49},
  pages        = {15997--16006},
  publisher    = {The American Chemical Society},
  series       = {Industrial & Engineering Chemistry Research},
  title        = {Quantitative Analysis of Influences of Model Plant Mismatch on Control Loop Behavior},
  url          = {http://dx.doi.org/10.1021/ie300834y},
  volume       = {51},
  year         = {2012},
}