Control of Stability and the Synchronous Vibration of a Flexible Rotor Supported on Oil-Film Bearings

[+] Author and Article Information
M. N. Sahinkaya, C. R. Burrows

Department of Dynamics and Control, University of Strathclyde, Glasglow, Scotland

J. Dyn. Sys., Meas., Control 107(2), 139-144 (Jun 01, 1985) (6 pages) doi:10.1115/1.3149685 History: Received August 06, 1984; Online July 21, 2009


The relationship between eigenvalue loci for the rotor-bearing systems and the onset of instability due to oil-whirl, is utilized to derive an algorithm to control the onset of instability. Implementation of the algorithm is discussed. It is shown how this can be combined with an open-loop adaptive control strategy to ensure the stability of a flexible rotor and also minimize the synchronous vibration throughout the operational speed range.

Copyright © 1985 by ASME
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