Self-tuning disturbance feedforward control with drift prevention for air mount systems

M.A. Beijen, M.F. Heertjes, H. Butler

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

6 Citations (Scopus)
16 Downloads (Pure)

Abstract

A MIMO disturbance feedforward control strategy is presented to isolate an industrial active vibration isolation system with air mounts from broadband floor vibrations. The feedforward controller compensates for the static damping and stiffness of the air mount suspension, leading to significant improvement of the vibration isolation performance. At low frequencies the controller gain is limited using higher-order weak integrators to prevent drift and actuator saturation. To minimize performance limitations due to model uncertainties, the MIMO feedforward controller is implemented as an IIR filter with fixed poles and self-tuning zeros, having the ability to fine-tune the parameters online using a combination of filtered-ϵ least mean squares (FϵLMS) optimization and residual noise shaping. An experimental validation on a full-scale vibration isolation system with air mounts shows performance improvements up to 30 dB for frequencies between 30 and 80 Hz.
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
Pages400-405
ISBN (Print)978-1-4799-7786-4
DOIs
Publication statusPublished - 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
Country/TerritoryAustralia
CitySydney
Period21/09/1523/09/15

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