Time-Delay System Identification Using Genetic Algorithm: Part One: Precise FOPDT Model Estimation

Zhenyu Yang, Glen Thane Seested

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11 Citationer (Scopus)
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Abstract

Due to the unknown dead-time coefficient, the time-delay system identification turns to be a non-convex optimization problem. This paper investigates the identification of a simple time-delay system, named First-Order-Plus-Dead-Time (FOPDT), by using the Genetic Algorithm (GA) technique. The quality and performance of the GA-based identification are compared with those based on extended Least-Mean-Square (LMS) methods, subject to the consideration of different types of time-delay systems, excitation signals, Signal-to-Noise Ratios, and different evaluation criteria. The obtained results exhibit that the GA technique has a very promising capability in handling this type of non-convex system identification problem.
OriginalsprogEngelsk
TitelProceedings of the 3rd IFAC International Conference on Intelligent Control and Automation Science (2013)
RedaktørerPedro M. Ferreira
Antal sider7
Vol/bind3
ForlagElsevier
Publikationsdato4 sep. 2013
Udgave1
Sider561-567
ISBN (Trykt)978-3-902823-45-8
DOI
StatusUdgivet - 4 sep. 2013
Begivenhed3rd IFAC International Conference on Intelligent Control and Automation Science - Chengdu, Kina
Varighed: 2 sep. 20134 sep. 2013

Konference

Konference3rd IFAC International Conference on Intelligent Control and Automation Science
Land/OmrådeKina
ByChengdu
Periode02/09/201304/09/2013
NavnIFAC-PapersOnLine
Nummer1
Vol/bind3
ISSN1474-6670

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