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Actuators 2017, 6(1), 1; doi:10.3390/act6010001

A Generalized Unbiased Control Strategy for Radial Magnetic Bearings

QinetiQ North America,Waltham, MA 02451, USA
Academic Editor: Eric H. Maslen
Received: 24 November 2016 / Revised: 19 December 2016 / Accepted: 5 January 2017 / Published: 8 January 2017
(This article belongs to the Special Issue Active Magnetic Bearing Actuators)
View Full-Text   |   Download PDF [461 KB, uploaded 8 January 2017]   |  


The present work extends a method of unbiased control originally developed for three-pole radial magnetic bearings into a generalized unbiased control strategy that encompasses bearings with an arbitrary number of poles. By allowing the control of bearings with more than three poles, the applicability of the approach is broadened to the case of large rotors. Other ramifications of this generalized unbiased control strategy are fault tolerant unbiased bearings, control of bearings with more than three poles using 3-phase drives, and a novel approach to the unbiased control of eight-pole magnetic bearings. View Full-Text
Keywords: magnetic bearings; actuator force; feedback linearization magnetic bearings; actuator force; feedback linearization

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Meeker, D. A Generalized Unbiased Control Strategy for Radial Magnetic Bearings. Actuators 2017, 6, 1.

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