NDLI: Analytical feedback design via interpolation approach for the strong stabilization of a magnetic bearing system

Content Provider	IEEE Xplore Digital Library
Author	Shi, J. Lee, W.S.
Copyright Year	2009
Description	Author affiliation: School of Engineering Science, Victoria University, P O Box 14428, MCMC, Melbourne, 8001, Australia (Shi, J.; Lee, W.S.)
Abstract	In this paper, a stable controller has been designed via an interpolation approach to stabilize an open-loop unstable MBC500 magnetic bearing system. An 8th-order model of the MBC500 magnetic bearing system was identified from the collected frequency response data. Since there are resonant modes that can threaten the stability of the closed-loop system, notch filters are employed to help to secure stability. The controller has been designed on the basis of a reduced 2nd-order unstable model. The performance of the controller has been tested via simulation and compared with that of a conventional lead compensator. The controller designed via the interpolation approach has also been coded in C and implemented in real time on a Digital Signal Processor (DSP) card. Both simulation and implementation results show that the controller designed via the interpolation approach is superior in both closed-loop step responses and disturbance rejection.
Starting Page	274
Ending Page	279
File Size	313221
Page Count	6
File Format	PDF
ISBN	9781424427222
DOI	10.1109/CCDC.2009.5195095
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-06-17
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Stability Magnetic resonance Open loop systems Control systems Magnetic analysis Magnetic Bearing System Interpolation Approach Interpolation Magnetic separation System Identification Analytic Feedback System Design Feedback Frequency response Magnetic levitation
Content Type	Text
Resource Type	Article

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