Improved disturbance rejection for high precision systems through estimation of the flexible modes

Koen Verkerk, Hans Butler, Paul van den Bosch

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Abstract

This paper demonstrates applications of a state observer in high precision control systems that improve low frequency disturbance rejection. By changing the plant transfer function as seen by the feedback controller the effect of flexible modes on the feedback loop is reduced. This allows a redesign of the feedback controller for improved control bandwidth and, consequently, improved low frequency disturbance rejection. Simulation and experimental validation results are presented for the applications to elucidate their (combined) effects.
Original languageEnglish
Title of host publication2015 IEEE Conference on Systems and Control (CCA 2015), September 21-23, 2015, Sydney, Australia : Proceedings
Place of PublicationPiscataway
PublisherInstitute of Electrical and Electronics Engineers
Pages1191-1196
Number of pages6
ISBN (Print)978-1-4799-7786-4
DOIs
Publication statusPublished - 22 Sep 2015
Event2015 IEEE Conference on Control Applications (CCA 2015) - Novotel Manley, Sydney, Australia
Duration: 21 Sep 201523 Sep 2015

Conference

Conference2015 IEEE Conference on Control Applications (CCA 2015)
Abbreviated titleCCA 2015
CountryAustralia
CitySydney
Period21/09/1523/09/15

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