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Adaptive suppression of vibrations: a repetitive control approach
Luleå tekniska universitet, Institutionen för system- och rymdteknik, Signaler och system.
1995 (Engelska)Ingår i: Proceedings of the 1995 American Control Conference: the Westin Hotel, Seattle, Washington, June 21 - June 23, 1995, Piscataway, NJ: IEEE Communications Society, 1995, Vol. 5, s. 3820-3824Konferensbidrag, Publicerat paper (Refereegranskat)
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. To show the feasibility of this approach, it was used to reduce vibrations on a lever that were caused by a motor with imbalance in its rotation. As actuator, a standard loudspeaker was used, and the vibration was sensed by an accelerometer.

Ort, förlag, år, upplaga, sidor
Piscataway, NJ: IEEE Communications Society, 1995. Vol. 5, s. 3820-3824
Nationell ämneskategori
Reglerteknik
Forskningsämne
Reglerteknik
Identifikatorer
URN: urn:nbn:se:ltu:diva-30183DOI: 10.1109/ACC.1995.533855Lokalt ID: 3edb3bc0-bd3e-11dd-a7c4-000ea68e967bISBN: 0-7803-2445-5 (tryckt)ISBN: 0-7803-2446-3 (tryckt)OAI: oai:DiVA.org:ltu-30183DiVA, id: diva2:1003410
Konferens
American Control Conference : 21/06/1995 - 23/06/1995
Anmärkning

Godkänd; 1995; 20081128 (andbra)

Tillgänglig från: 2016-09-30 Skapad: 2016-09-30 Senast uppdaterad: 2018-02-06Bibliografiskt granskad

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Hillerström, Gunnar
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