A Stability Model for Flexible Rotors With Magnetic Bearings

[+] Author and Article Information
E. H. Maslen

Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA 22903

J. R. Bielk

CONMEC Inc., Allentown, PA 18103

J. Dyn. Sys., Meas., Control 114(1), 172-175 (Mar 01, 1992) (4 pages) doi:10.1115/1.2896500 History: Received June 23, 1989; Online March 17, 2008


A direct linear modeling scheme is described for magnetic bearing supported rotors. The model includes the effect of controller bandwidth as well as sensor-actuator noncollocation. These effects, commonly ignored in simpler formulations, can have substantial impact on system stability. Based on a first order matrix differential equation form, the model is very suitable for stability analysis using widely available computer software.

Copyright © 1992 by The American Society of Mechanical Engineers
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