This paper considers two issues in the vibration of rotating machines, namely, control of rotor vibration and control of the forces transmitted to the base. An adaptive multi-objective method is developed to tackle these issues simultaneously using magnetic bearings. A two-stage weighting strategy is developed, involving base weightings calculated by using a singular value decomposition of the system’s receptance matrices and an adjustable single weighting parameter tuned automatically to shift the balance between the two objective functions in accordance with performance specifications. This new real-time controller does not require measurements in addition to those required for the open-loop adaptive strategy. Frequency and time domain simulations of an existing experimental rig are used to assess the effectiveness of the proposed multi-objective adaptive controller as a precursor to an experimental study.
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An Adaptive Multi-Objective Controller for Flexible Rotor and Magnetic Bearing Systems
M. Necip Sahinkaya,
M. Necip Sahinkaya
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Mem. ASME
Department of Mechanical Engineering,
e-mail: ensmns@bath.ac.uk
University of Bath
, Bath BA2 7AY, UK
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Abdul-Hadi G. Abulrub,
Abdul-Hadi G. Abulrub
Warwick Manufacturing Group,
e-mail: a.g.abulrub@warwick.ac.uk
University of Warwick
, Coventry CV4 7AL, UK
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Clifford R. Burrows
Clifford R. Burrows
Emeritus Professor
Department of Mechanical Engineering,
e-mail: enscrb@bath.ac.uk
University of Bath
, Bath BA2 7AY, UK
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M. Necip Sahinkaya
Reader
Mem. ASME
Department of Mechanical Engineering,
University of Bath
, Bath BA2 7AY, UKe-mail: ensmns@bath.ac.uk
Abdul-Hadi G. Abulrub
Warwick Manufacturing Group,
University of Warwick
, Coventry CV4 7AL, UKe-mail: a.g.abulrub@warwick.ac.uk
Clifford R. Burrows
Emeritus Professor
Department of Mechanical Engineering,
University of Bath
, Bath BA2 7AY, UKe-mail: enscrb@bath.ac.uk
J. Dyn. Sys., Meas., Control. May 2011, 133(3): 031003 (9 pages)
Published Online: March 23, 2011
Article history
Received:
August 21, 2008
Revised:
April 27, 2010
Online:
March 23, 2011
Published:
March 23, 2011
Citation
Sahinkaya, M. N., Abulrub, A. G., and Burrows, C. R. (March 23, 2011). "An Adaptive Multi-Objective Controller for Flexible Rotor and Magnetic Bearing Systems." ASME. J. Dyn. Sys., Meas., Control. May 2011; 133(3): 031003. https://doi.org/10.1115/1.4003421
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