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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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References

Figures

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Reconciled model representation
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Model identification block diagram
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Maximum singular value of the identified frequency response function, the original model, and the reconciled model
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Magnetic bearing journal
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Magnetic bearing journal model
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Maximum singular value of the error gain for the original model and the reconciled model
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Calculated wire dynamic stiffness
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Calculated dynamic stiffness at the collets

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