RESEARCH PAPERS: Vibration and Sound

Modelling and Control of Turbomachinery Vibrations

[+] Author and Article Information
R. Firoozian, R. Stanway

Department of Mechanical Engineering, University of Liverpool, P.O. Box 147, Liverpool L69 3BX, Merseyside, U.K.

J. Vib., Acoust., Stress, and Reliab 110(4), 521-527 (Oct 01, 1988) (7 pages) doi:10.1115/1.3269560 History: Received January 30, 1988; Online November 23, 2009


The authors describe an integrated approach to the modelling and active control of lateral vibrations in turbomachinery. Starting with consideration of the control of multiple rotor bending modes, the generation of a state vector from available measurements using an observer is discussed together with the effect on stability of employing a controller of reduced order. The various points are illustrated in an extended case study which also compares the active schemes with one involving a simple passive damper.

Copyright © 1988 by ASME
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