Comparison of Process Identification Techniqies in the Time- and Frequency-domains

Authors

Tony KealyFollow
Aidan O'DwyerFollow

Document Type

Conference Paper

Rights

Available under a Creative Commons Attribution Non-Commercial Share Alike 4.0 International Licence

Disciplines

Electrical and electronic engineering

Publication Details

XVI International Conference on Systems Engineering (ICSE 2003), Coventry University, United Kingdom

Abstract

This paper describes ten methods to identify a mathematical model for a real process with a time delay. The process is the Process Trainer, PT326 from Feedback Instruments Limited. Six of the methods use step response data and one of the methods uses impulse response data for identification. Two of the methods use frequency response data and the final method uses information from relay-based experiments. The best results are obtained using a combined analytical and gradient method [6] in the frequency-domain and, in the time-domain, using the two-point algorithm [1] and a method proposed by Suganda et al. [5].

Recommended Citation

Kealy, T.,O'Dwyer, A.:Comparison of Process Identification Techniques in the Time- and Frequency-domains.XVI International Conference on Systems Engineering (ICSE 2003), Coventry University, United Kingdom