Imbalance-induced vibration of rotating machineries is an important factor limiting the performance and fatigue life of a rotor system. Particularly, the severe resonant vibration of a rotor when it passes through its critical speeds could damage the rotor system. To avoid this peak vibration, this paper presents an active balancing method to offset the imbalance of the rotor system during acceleration by using an electromagnetic balancer. In this method, “instantaneous” influence coefficients at different speeds are obtained and stored in a look-up table. Then, a gain scheduling strategy is adopted to suppress the imbalance-induced vibration during acceleration based on the “instantaneous” influence coefficient table. A comprehensive testbed is built to validate this scheme, and the validation results are presented.
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March 2004
Technical Briefs
Extended Influence Coefficient Method for Rotor Active Balancing During Acceleration
Shiyu Zhou,
Shiyu Zhou
Department of Industrial Engineering, University of Wisconsin-Madison, Madison, WI 53706
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Stephen W. Dyer,
Stephen W. Dyer
BalaDyne Corporation, 665 Highland Drive, Ann Arbor, MI 48108
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Kwang-keun Shin,
Kwang-keun Shin
Electrical & Controls Integration Lab, General Motors, P.O. Box 9055, Warren, MI 48090
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Jianjun Shi,
Jianjun Shi
Dept. of Industrial and Operations Engineering, University of Michigan, Ann Arbor, MI 48109
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Jun Ni
Jun Ni
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109
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Shiyu Zhou
Department of Industrial Engineering, University of Wisconsin-Madison, Madison, WI 53706
Stephen W. Dyer
BalaDyne Corporation, 665 Highland Drive, Ann Arbor, MI 48108
Kwang-keun Shin
Electrical & Controls Integration Lab, General Motors, P.O. Box 9055, Warren, MI 48090
Jianjun Shi
Dept. of Industrial and Operations Engineering, University of Michigan, Ann Arbor, MI 48109
Jun Ni
Department of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109
Contributed by the Dynamic Systems, Measurement, and Control Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF DYNAMIC SYSTEMS, MEASUREMENT, AND CONTROL. Manuscript received by the ASME Dynamic Systems and Control Division February 11, 2003; final revision, June 25, 2003. Associate Editor: R. Mukherjee.
J. Dyn. Sys., Meas., Control. Mar 2004, 126(1): 219-223 (5 pages)
Published Online: April 12, 2004
Article history
Received:
February 11, 2003
Revised:
June 25, 2003
Online:
April 12, 2004
Citation
Zhou , S., Dyer , S. W., Shin , K., Shi , J., and Ni , J. (April 12, 2004). "Extended Influence Coefficient Method for Rotor Active Balancing During Acceleration ." ASME. J. Dyn. Sys., Meas., Control. March 2004; 126(1): 219–223. https://doi.org/10.1115/1.1651533
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