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Identification of linear subsystem for simple block-oriented nonlinear systems working in closed-loop - Higher order spectra approach

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

2 Citations (Scopus)

Abstract

In the paper a strategy for discrete-time model identification of linear dynamic subsystem in simple block-oriented nonlinear systems operating under feedback is presented. In the proposed procedure a discrete-time frequency response of this linear part is identified using integrated bispectra or trispectra. Based on the identified frequency response the corresponding rational parametric approximation is calculated. The nonlinear system is excited by higher-order non-gaussian multisine excitation during identification experiment designed in a special way. The discussion included in the paper is illustrated by simulation examples demonstrating properties and effectiveness of the given approach.

Original languageEnglish
Title of host publication2014 18th International Conference on System Theory, Control and Computing, ICSTCC 2014
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages903-906
Number of pages4
ISBN (Electronic)9781479946013
DOIs
Publication statusPublished - 11 Dec 2014
Event2014 18th International Conference on System Theory, Control and Computing, ICSTCC 2014 - Sinaia, Romania
Duration: 17 Oct 201419 Oct 2014

Publication series

Name2014 18th International Conference on System Theory, Control and Computing, ICSTCC 2014

Conference

Conference2014 18th International Conference on System Theory, Control and Computing, ICSTCC 2014
Country/TerritoryRomania
CitySinaia
Period17/10/1419/10/14

ASJC Scopus subject areas

  • Computational Theory and Mathematics
  • Control and Systems Engineering

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