Control System Design for AC-DC Three-Degree-of-Freedom Hybrid Magnetic Bearing

Wei Yu Zhang; Ying Ruan; Xiao Yan Diao; Huang Qiu Zhu

doi:10.4028/www.scientific.net/AMM.150.144

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 150Control System Design for AC-DC...

Control System Design for AC-DC Three-Degree-of-Freedom Hybrid Magnetic Bearing

Abstract:

To fulfil the objective of high speed, high precision and intelligence in the modern equipment and advanced manufacturing industry, the magnetic bearing is requested to have small volume, low cost and low consumption. In this paper, an AC-DC three-degree-of-freedom hybrid magnetic bearing (AC-DC-3DOF-HMB) is studied, which integrates radial bearing and axial bearing in one of the magnetic bearing. The configuration and principle of AC-DC-3DOF-HMB are expounded, and the mathematical models of suspension forces are given. Then based on the function block diagram of AC-DC-3DOF-HMB control system, its hardware and software configuration are designed. The experiment results show that the rotor can be suspended stably with three degrees of freedom and has a good performance in anti- interference, and the feasibility of the control system design can be verified.

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Periodical:

Applied Mechanics and Materials (Volume 150)

Pages:

144-147

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.150.144

Citation:

Cite this paper

Online since:

January 2012

Authors:

Wei Yu Zhang, Ying Ruan, Xiao Yan Diao, Huang Qiu Zhu

Keywords:

AC, Amplifier, Control System, HMB, Mathematical Models

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References

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