Guaranteed frequency-domain identification of fractional order systems: application to a real system

被引：14

作者：

Amairi, Messaoud ^{[1
]}

Aoun, Mohamed ^{[1
]}

Najar, Slaheddine ^{[1
]}

Abdelkrim, Mohamed Naceur ^{[1
]}

机构：

[1] Univ Gabes, Natl Engn Sch Gabes ENIG, Res Unit Modelling Anal & Control Syst MACS, Omar Ibn el Khattab St, Gabes 6029, Tunisia

来源：

INTERNATIONAL JOURNAL OF MODELLING IDENTIFICATION AND CONTROL | 2012年 / 17卷 / 01期

关键词：

fractional differentiation; fractional system; real interval analysis; global optimisation; frequency-domain; constrained satisfaction problems; system identification;

D O I：

10.1504/IJMIC.2012.048637

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a new guaranteed approach for frequency-domain identification of fractional order systems. Estimated parameters (coefficients and differential orders) are expressed as intervals. Then, an interval-based global optimisation algorithm is used to estimate the set of all feasible parameters. It combines the Hansen's algorithm with forward-backward contractor. The approach is applied to a numerical example as well as to a real electronic system.

引用

页码：32 / 42

页数：11

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