0
TECHNICAL PAPERS: Gas Turbines: Industrial and Cogeneration and Control Diagnostics and Instrumentation

The μ Approach to Control of Active Magnetic Bearings

[+] Author and Article Information
R. L. Fittro

Mechanical and Electrical Engineering, Aston University, Aston Triangle, Birmingham B4 7ET, UKe-mail: R.L.Fittro@aston.ac.uk

C. R. Knospe

Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, VA 22903e-mail: crk4y@virginia.edu

J. Eng. Gas Turbines Power 124(3), 566-570 (Jun 19, 2002) (5 pages) doi:10.1115/1.1417484 History: Received November 01, 1999; Revised February 01, 2000; Online June 19, 2002
Copyright © 2002 by ASME
Your Session has timed out. Please sign back in to continue.

References

Zhou, K., Doyle, J. C., and Glover, K., 1996, Robust and Optimal Control, Prentice-Hall, Englewood Cliffs, NJ.
Fujita, M., Matsumura, F., and Namerikawa, T., 1992, “μ-Analysis and Synthesis of a Flexible Beam Magnetic Suspension System,” Proceedings of the 3rd International Symposium on Magnetic Bearings, Alexandria, VA, July, pp. 495–504.
Fujita,  M., Namerikawa,  T., Matsumura,  F., and Uchida,  K., 1993, “μ-Synthesis of an Electromagnetic Suspension System,” IEEE Trans. Autom. Control, 40, No. 3, pp. 530–536.
Lösch, F., Gähler, C., and Herzog, R., 1998, “μ-Synthesis Controller Design for a 3 MW Pump Running on AMBs,” Proceedings of the 6th International Symposium on Magnetic Bearings, Cambridge, MA, Aug. Technomics, Lancaster, PA, pp. 415–428.
Nonami, K., and Takayuki, I., 1994, “μ Synthesis of Flexible Rotor Magnetic Bearing Systems,” Proceedings of the 4th International Symp. on Magnetic Bearings, Zurich, Switzerland, Aug. pp. 73–78.
Fittro, R. L., 1998, “A High Speed Machining Spindle With Active Magnetic Bearings: Control Theory, Design and Application,” Ph.D. dissertation, University of Virginia, Aug.
Stephens, L. S., 1995, “Design and Control of Active Magnetic Bearings for a High Speed Machining Spindle,” Ph.D. dissertation, University of Virginia, Aug.
Stephens, L. S., and Knospe, C. R., 1996, “μ-Synthesis Based, Robust Controller Design for AMB Machining Spindles,” Proceedings of the 5th International Symposium on Magnetic Bearings, Kanazawa, Japan, Aug.
Herzog, R., and Bleuler, H., 1992, “On Achievable H Disturbance Attenuation in AMB Control,” Proceedings of the 3rd International Symposium on Magnetic Bearings, Alexandria, VA, July Technomics Publishing, Lancaster, PA pp. 485–494.
Meeker,  D. C., Maslen,  E. H., and Noh,  M. D., 1996, “An Augmented Circuit Model for Magnetic Bearings Including Eddy Currents, Fringing, and Leakage,” IEEE Trans. Magn., 32, No. 4
Zmood,  R. B., Anand,  D. K., and Kirk,  J. A., 1987, “The Influence of Eddy Currents on Magnetic Actuator Performance,” Proc. IEEE, 75, No. 2, pp. 259–260.

Figures

Grahic Jump Location
Laboratory test rig and schematic
Grahic Jump Location
Block diagram for experimental with uncertainty representation
Grahic Jump Location
Magnitude response of μ-controller (solid) and controller gain limit We−1 (dashed), volts/volt
Grahic Jump Location
Midspan compliance with the optimized PD controller—experimental (solid) and theoretical (dashed)
Grahic Jump Location
Midspan compliance with the μ-controller—experimental (solid) and theoretical (dashed)

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In