TECHNICAL PAPERS: Gas Turbines: Structures and Dynamics

Model Identification of a Rotor With Magnetic Bearings

[+] Author and Article Information
J. A. Vázquez, E. H. Maslen

Department of Mechanical and Aerospace Engineering, University of Virginia, 122 Engineer’s Way, Charlottesville, VA 22904-4746  

H.-J. Ahn, D.-C. Han

School of Mechanical and Aerospace Engineering, Seoul National University, Kwanak-ku, Shilim-dong San 56-1, Seoul, Korea

J. Eng. Gas Turbines Power 125(1), 149-155 (Dec 27, 2002) (7 pages) doi:10.1115/1.1499730 History: Received December 01, 2000; Revised March 01, 2001; Online December 27, 2002
Copyright © 2003 by ASME
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Maslen,  E. H., Vázquez,  J. A., and Sortore,  C. K., 2002, “Reconciliation of Rotordynamic Models With Experimental Data,” ASME J. Eng. Gas Turbines Power, 124, pp. 351–356.
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Grahic Jump Location
Reconciled model representation
Grahic Jump Location
Model identification block diagram
Grahic Jump Location
Maximum singular value of the identified frequency response function, the original model, and the reconciled model
Grahic Jump Location
Magnetic bearing journal
Grahic Jump Location
Magnetic bearing journal model
Grahic Jump Location
Maximum singular value of the error gain for the original model and the reconciled model
Grahic Jump Location
Calculated wire dynamic stiffness
Grahic Jump Location
Calculated dynamic stiffness at the collets



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