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Adaptive Attenuation of Disturbance Formed as a Sum of Sinusoidal Signals Applied to a Benchmark Problem
Umeå University, Faculty of Science and Technology, Department of Applied Physics and Electronics.
2013 (English)In: 2013 EUROPEAN CONTROL CONFERENCE (ECC), NEW YORK: IEEE , 2013, 2879-2884 p.Conference paper (Other academic)
Abstract [en]

The problem of adaptive attenuation of a disturbance formed as a finite sum of unknown sinusoidal signals is solved for a discrete-time plant with unstable zeros. It is assumed that a reliable model of the plant is known and the system is internally stable. We propose to construct a control signal as a linear combination of outputs of carefully chosen filters. The coefficients of the combination are tuned via an on-line identification based on the plant model. However, our approach avoids constructing an inverse of the plant model. The technique is applied to a case study on a challenging benchmark example in the field of active vibration control. Attenuation of a disturbance formed as a sum of up to three unknown/time-varying sinusoidal signals is demonstrated via simulation and experimental studies.

Place, publisher, year, edition, pages
NEW YORK: IEEE , 2013. 2879-2884 p.
National Category
Physical Sciences
URN: urn:nbn:se:umu:diva-88298ISI: 000332509703046ISBN: 978-3-033-03962-9OAI: diva2:714947
European Control Conference (ECC)
Available from: 2014-04-30 Created: 2014-04-29 Last updated: 2014-04-30Bibliographically approved

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Aranovskiy, Stanislav
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Department of Applied Physics and Electronics
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