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Estimator Based Controller for High Speed Flywheel Magnetic Bearing SystemA flywheel system and its operator interface are described. Measurements of magnetic bearing negative stiffness are performed. Two digital magnetic bearing control algorithms (PD and estimator based) are defined and their implementations are described. Tuning of each controller is discussed. Comparison of the two controllers' stability, damping noise, and operating current are described. Results describing the superiority of the estimator-based controller are presented and discussed.
Document ID
20020081279
Acquisition Source
Glenn Research Center
Document Type
Technical Memorandum (TM)
Authors
Dever, Timothy P. (QSS Group, Inc. Cleveland, OH United States)
Brown, Gerald V. (NASA Glenn Research Center Cleveland, OH United States)
Jansen, Ralph H. (Ohio Aerospace Inst. Brook Park, OH United States)
Date Acquired
September 7, 2013
Publication Date
August 1, 2002
Subject Category
Spacecraft Propulsion And Power
Report/Patent Number
NAS 1.15:211795
IECEC-2002-20161
NASA/TM-2002-211795
E-13490
Report Number: NAS 1.15:211795
Report Number: IECEC-2002-20161
Report Number: NASA/TM-2002-211795
Report Number: E-13490
Meeting Information
Meeting: 37th Intersociety Energy Conversion Engineering Conference
Location: Washington, DC
Country: United States
Start Date: July 28, 2002
End Date: August 2, 2002
Sponsors: Electron Devices Society, Institute of Electrical and Electronics Engineers
Funding Number(s)
PROJECT: RTOP 755-1A-09
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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