Unbiased identification of continuous-time parametric models using a time-weighted integral transform

Shyh Hong Hwang, Min Lang Lin

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

A time-weighted integral transform is presented to identify a continuous SISO or MIMO parametric model based on a single dynamic test under open-loop or closed-loop operation. Moving-horizon algorithms are proposed to obtain unbiased estimates of the model parameters. The off-line algorithm in a least-squares form and the on-line algorithm in a recursive form are provided. An effective technique based on pattern recognition is also developed to determine the system order and time delay from observed data in a simple manner. Furthermore, the proposed method can be easily applied as a model reduction technique that results in an ideal model with delay for any specified order.

Original languageEnglish
Pages (from-to)1170-1199
Number of pages30
JournalChemical Engineering Communications
Volume190
Issue number9
DOIs
Publication statusPublished - 2003 Sep

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)

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