The flux observer and speed identification based on closed-loop extended state observer

Guangqun Du, Lei Dong

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

5 Citations (Scopus)

Abstract

Flux observer and speed identification are key issues in the induction motor speed sensor-less vector control system, and these two issues are linked. We can use the observer result we get from the estimate system to the object whose structure is certain and the model is linear to some unknown parameters, we will get a closed-loop extended state observer. So we can reduce the uncertainty and improve the accuracy. The result of parameter identification based on the closed -loop ESO is convergent. Therefore, we can get the flux and the speed of induction motor accurately and quickly through the model reference adaptive system. The closed-loop ESO is the adjustable model of MRAS.

Original languageEnglish
Title of host publicationProceedings of the 32nd Chinese Control Conference, CCC 2013
PublisherIEEE Computer Society
Pages5549-5553
Number of pages5
ISBN (Print)9789881563835
Publication statusPublished - 18 Oct 2013
Event32nd Chinese Control Conference, CCC 2013 - Xi'an, China
Duration: 26 Jul 201328 Jul 2013

Publication series

NameChinese Control Conference, CCC
ISSN (Print)1934-1768
ISSN (Electronic)2161-2927

Conference

Conference32nd Chinese Control Conference, CCC 2013
Country/TerritoryChina
CityXi'an
Period26/07/1328/07/13

Keywords

  • Extended State Observer
  • Flux Observer
  • Induction Machine
  • Speed Identification

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