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TECHNICAL PAPERS

Synchronous Sensor Runout and Unbalance Compensation in Active Magnetic Bearings Using Bias Current Excitation

[+] Author and Article Information
Joga D. Setiawan, Ranjan Mukherjee

Michigan State University, East Lansing, MI 48824-1226

Eric H. Maslen

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

J. Dyn. Sys., Meas., Control 124(1), 14-24 (Sep 18, 2001) (11 pages) doi:10.1115/1.1435644 History: Received September 18, 2001
Copyright © 2002 by ASME
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References

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Figures

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A magnetic bearing system with unbalance and sensor runout
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Manual sensor runout identification
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Unbalance verification using trial mass
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Framework for adaptive compensation
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Plots of geometric center and sensor signal
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Estimated Fourier coefficients of runout and unbalance, true values are shown in dashed lines
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Currents in top and bottom coils
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Schematic of experimental test-rig
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Time history of rotor geometric center position, x, and position sensor signal, xs
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Time trace of estimated Fourier coefficients of runout and unbalance for Expt.2 in Table 2

Tables

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