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Peterson, K.S., Middleton, R.H. and Freudenberg, J.S. (2006) Fundamental Limitations in Self-Sensing Magnetic Bearings when Modeled as Linear Periodic Systems. In: Proceedings of the 2006 American Control Conference Minneapolis, Minnesota, USA, June 14-16, 2006. IEEE, pp. 4552-4557. ISBN 1-4244-0209-3
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Abstract
In "Magnetic Bearing Measurement Configurations
and Associated Robustness and Performance Limitations",
Thibeault and Smith demonstrate that self-sensing magnetic bearings are impractical due to fundamental limitations
in the achievable closed-loop robustness. Due to experimental data which appeared to contradict these results, Maslen, Montie, and Iwasaki showed that significantly better robustness is achievable in "Robustness limitations in selfsensing magnetic bearings" if the magnetic bearing is modeled as a linear periodic (LP) system rather than the linear time invariant (LTI) system used by Thibeault and Smith. The present paper explores why modeling the self-sensing magnetic bearing as a LP system improves the achievable robustness. This is accomplished by utilizing lifting to analyze the LP
model as a MIMO discrete LTI system.
| Item Type: | Book Section |
|---|---|
| Additional Information: | "©2006 IEEE. Reprinted from Proceedings of the 2006 American Control Conference Minneapolis, Minnesota, USA, June 14-16, 2006. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE." http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=1657437&isnumber=34689 |
| Keywords: | MIMO systems; Closed loop systems; Discrete systems; Linear systems; Magnetic bearings; Periodic control; Position control; Robust control; Self-adjusting systems; Time-varying systems; Closed-loop robustness; Discrete system; Linear periodic systems; Linear time invariant system; Self-sensing magnetic bearings; ACC 2006; Hamilton Institute. |
| Academic Unit: | Faculty of Science and Engineering > Computer Science Faculty of Science and Engineering > Research Institutes > Hamilton Institute |
| Item ID: | 1782 |
| Identification Number: | 10.1109/ACC.2006.1657437 |
| Depositing User: | Hamilton Editor |
| Date Deposited: | 12 Jan 2010 15:15 |
| Publisher: | IEEE |
| Refereed: | Yes |
| Related URLs: | |
| URI: | https://mu.eprints-hosting.org/id/eprint/1782 |
| Use Licence: | This item is available under a Creative Commons Attribution Non Commercial Share Alike Licence (CC BY-NC-SA). Details of this licence are available here |
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