Design of a combined radial and axial magnetic bearing

Ha Yong Kim, Seung-Jong Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

This paper proposes a new compact active magnetic bearing(AMB) that has both radial and axial control functions in one bearing unit, which enables the removal of the large disk unlike conventional axial AMBs. The proposed AMB consists of four U-shaped cores circumferentially connected by yokes and two-layer windings for radial and axial controls; one is configured like a homopolar AMB, and the other is the same as that of a 4-pole heteropolar AMB. Since each winding can be used for radial control, the proposed system has two kinds of operating principle according to the radial control type. As for axial control action, it uses the Lorentz force generated by the interaction of the bias flux for radial control and the axial control flux. In this paper, the proposed structure, principle, and design process based on the magnetic flux analysis are introduced, and its feasibility is experimentally verified by using a simple PD controller with a feedforward loop to compensate a coupled effect.

Original languageEnglish
Title of host publicationProceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conferences - DETC2005
Subtitle of host publication20th Biennial Conf. on Mech. Vibration and Noise
Pages2419-2424
Number of pages6
Publication statusPublished - 2005 Dec 1
Externally publishedYes
EventDETC2005: ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference - Long Beach, CA, United States
Duration: 2005 Sep 242005 Sep 28

Publication series

NameProceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference - DETC2005
Volume1 C

Conference

ConferenceDETC2005: ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
CountryUnited States
CityLong Beach, CA
Period05/9/2405/9/28

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ASJC Scopus subject areas

  • Engineering(all)

Cite this

Kim, H. Y., & Kim, S-J. (2005). Design of a combined radial and axial magnetic bearing. In Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conferences - DETC2005: 20th Biennial Conf. on Mech. Vibration and Noise (pp. 2419-2424). (Proceedings of the ASME International Design Engineering Technical Conferences and Computers and Information in Engineering Conference - DETC2005; Vol. 1 C).