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An improved method for process identification in the frequency domain
Journal article   Peer reviewed

An improved method for process identification in the frequency domain

C.H Tu and J.N Petersen
Computers in biology and medicine, Vol.13(1), pp.17-26
1983
Handle:
https://hdl.handle.net/2376/117413
PMID: 6831869

Abstract

Frequency domain Process identification Transfer function Dead time
An improved method which used frequency domain data for the determination of process transfer functions is presented. The method presented uses a sign transformation for regression models to ensure positive parameters. A statistical test, based on a right-hand tail F-ratio test and an uncertainty test, is discussed for selecting an adequate system transfer function. The procedure is demonstrated by two examples.

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