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Adaptive suppression of vibrations: a repetitive control approach
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.
1996 (Engelska)Ingår i: IEEE Transactions on Control Systems Technology, ISSN 1063-6536, E-ISSN 1558-0865, Vol. 4, nr 1, s. 72-78Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The aim of this paper is to present an adaptive solution to suppression of vibrations. Adaptation is appropriate whenever the fundamental frequency is unknown or drifting, e.g., when the vibration is caused by a rotational machine with unknown rotational speed. The approach presented here has its roots in repetitive control based on models of isolated frequencies rather than the commonly used delay model. The relationship between different modeled frequencies is fixed by the model structure, and the fundamental frequency is obtained by gradient descent or Newton's method. To show the feasibility of this approach, it was used to reduce the vibrations on a lever that were caused by a motor with imbalance in its rotation. As an actuator, a standard loudspeaker was used, and the vibration was sensed by an accelerometer.

Ort, förlag, år, upplaga, sidor
1996. Vol. 4, nr 1, s. 72-78
Nationell ämneskategori
Reglerteknik
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URN: urn:nbn:se:ltu:diva-14904DOI: 10.1109/87.481769ISI: A1996TQ67000010Scopus ID: 2-s2.0-0029752705Lokalt ID: e569a690-dfc5-11dc-9e29-000ea68e967bOAI: oai:DiVA.org:ltu-14904DiVA, id: diva2:987877
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Godkänd; 1996; 20080220 (ysko)

Tillgänglig från: 2016-09-29 Skapad: 2016-09-29 Senast uppdaterad: 2018-07-10Bibliografiskt granskad

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