This paper provides a new algorithm and test verification for implementing fault-tolerant operation of magnetically suspended, flexible shaft, rotating machinery. The currents to the magnetic bearing are redistributed in a manner so that the bearing actuator preserves the same linearized magnetic forces after some of its coils experience failure. The algorithm that searches a database for the appropriate failure compensation matrix utilizes a Boolean description of the failure state to quickly locate and download its target. The test results are shown to have good agreement with the system simulation results presented.
Test and Theory Correlation Study for a Flexible Rotor on Fault-Tolerant Magnetic Bearings
Contributed by the Technical Committee on Vibration and Sound for publication in the JOURNAL OF VIBRATION AND ACOUSTICS. Manuscript received May 2001; revised January 2002. Associate Editor: G. Flowers.
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Na, U. J., Palazzolo, A. B., and Provenza, A. (June 12, 2002). "Test and Theory Correlation Study for a Flexible Rotor on Fault-Tolerant Magnetic Bearings ." ASME. J. Vib. Acoust. July 2002; 124(3): 359–366. https://doi.org/10.1115/1.1467652
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