Zero power control with load observer in controlled-PM levitation

This paper presents the scheme that improves the performance of magnetic levitation. Magnetic levitation is complicated and difficult to control due to nonlinear characteristics of gap and current. So, we propose the Zero power control scheme using Extended Luenberger Observer taking into considerat...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2001-07, Vol.37 (4), p.2851-2854
Main Authors: Kim, Youn Hyun, Kim, Kwang Min, Lee, Ju
Format: Article
Language:English
Subjects:
Applied sciences
Control systems
Electromagnets
Electronics
Equations
Exact sciences and technology
Force control
Levitation
Magnetic device characterization, design, and modeling
Magnetic devices
Magnetic levitation
Magnetic materials
Magnetic variables control
Magnetism
Modeling
Nonlinear control systems
Nonlinearity
Observers
Performance enhancement
Power control
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Simulation
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Description
Summary:This paper presents the scheme that improves the performance of magnetic levitation. Magnetic levitation is complicated and difficult to control due to nonlinear characteristics of gap and current. So, we propose the Zero power control scheme using Extended Luenberger Observer taking into consideration nonlinear characteristics of gap and current. Also, we verified it by comparing the experiments with simulation.
ISSN:0018-9464
1941-0069
DOI:10.1109/20.951326