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Simulation of a Self-bearing Cone-shaped Lorentz-type Electrical Machine
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Electricity.
2013 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

Self-bearing machines for kinetic energy storage have the advantage of integrating the magnetic bearing in the stator/rotor configuration, which reduces the number of mechanical components needed compared with using separated active magnetic bearings. This master's thesis focus on building a MATLAB/Simulink simulation model for a self-bearing cone-shaped Lorenz-type electrical machine. The concept has already been verified analytically but no dynamic simulations have been made. The system was modeled as a negative feedback system with PID controllers to balance the rotor. Disturbances as signal noise, external forces and torques were added to the system to estimate system robustness. Simulations showed stability and promising dynamics, the next step would be to build a prototype. 

Place, publisher, year, edition, pages
2013. , 59 p.
Series
UPTEC F, ISSN 1401-5757 ; 13020
Keyword [en]
Self-bearing machine, bearingless machine, cone-shaped flywheel, 6 degrees of freedom control
National Category
Robotics
Identifiers
URN: urn:nbn:se:uu:diva-202443OAI: oai:DiVA.org:uu-202443DiVA: diva2:631988
Educational program
Master Programme in Engineering Physics
Presentation
2013-06-14, Å2003, Lägerhyddsvägen 1, Uppsala, 15:15 (English)
Uppsok
Technology
Supervisors
Examiners
Available from: 2013-06-26 Created: 2013-06-24 Last updated: 2013-06-26Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
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