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Adaptive suppression of vibrations: a repetitive control approach
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Signals and Systems.
1995 (English)In: 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, p. 3820-3824Conference paper, Published paper (Refereed)
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.

Place, publisher, year, edition, pages
Piscataway, NJ: IEEE Communications Society, 1995. Vol. 5, p. 3820-3824
National Category
Control Engineering
Research subject
Control Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-30183DOI: 10.1109/ACC.1995.533855Local ID: 3edb3bc0-bd3e-11dd-a7c4-000ea68e967bISBN: 0-7803-2445-5 (print)ISBN: 0-7803-2446-3 (print)OAI: oai:DiVA.org:ltu-30183DiVA, id: diva2:1003410
Conference
American Control Conference : 21/06/1995 - 23/06/1995
Note

Godkänd; 1995; 20081128 (andbra)

Available from: 2016-09-30 Created: 2016-09-30 Last updated: 2018-02-06Bibliographically approved

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