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TECHNICAL BRIEFS

Active Vibration Control of a Multimode Rotor-Bearing System Using an Adaptive Algorithm

[+] Author and Article Information
A. V. Metcalfe

Department of Engineering Mathematics, Stephenson Building, The University of Newcastle upon Tyne, Newcastle upon Tyne, NE1 7RU, England

J. S. Burdess

Department of Mechanical Engineering, The University of Newcastle upon Tyne

J. Vib., Acoust., Stress, and Reliab 108(2), 230-231 (Apr 01, 1986) (2 pages) doi:10.1115/1.3269329 History: Received September 24, 1985; Online November 23, 2009

Abstract

A method for minimizing forced harmonic vibration of a rotor-bearing system by the application of external control forces is presented. The frequency of the vibration is assumed known. In cases of mass unbalance or bend in the shaft this will be shaft rotation frequency and can usually be monitored without difficulty. The control forces could be provided by electromagnetic actuators. The control strategy presented does not require any knowledge of the system parameters and, provided the uncontrolled system is stable, cannot destablize the system. Results from a simulation are shown.

Copyright © 1986 by ASME
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