Design and Servo Control of a Single-Deck Planar Maglev Stage

This paper addresses the design and control issues in a novel single-deck six degree-of-freedom (DOF) magnetic levitation (maglev) stage. The proposed design uses an array of solenoids to levitate and to hold a permanent magnet (PM) carrier in place. The solenoids are excited in a manner to generate...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2007-06, Vol.43 (6), p.2600-2602
Main Authors: LAI, Yi-Chih, LEE, Ye-Ling, YEN, Jia-Yush
Format: Article
Language:English
Subjects:
Air gaps
Arrays
Computer simulation
Construction
Cross-disciplinary physics: materials science
rheology
Design engineering
Exact sciences and technology
Finite element methods
Magnetic analysis
Magnetic levitation
Magnetic levitation vehicles
Magnetism
Materials science
Mathematical analysis
Mathematical models
Mechanical engineering
Other topics in materials science
Permanent magnets
Physics
PID control
Planar maglev
Servocontrol
Servosystems
Solenoids
Three-term control
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Summary:This paper addresses the design and control issues in a novel single-deck six degree-of-freedom (DOF) magnetic levitation (maglev) stage. The proposed design uses an array of solenoids to levitate and to hold a permanent magnet (PM) carrier in place. The solenoids are excited in a manner to generate restoring force when the platform with PMs is displaced from its equilibrium position. The ANSOFT finite element analysis results help providing insight to the design of the mechanism and the solenoid arrangement for the maglev stage. The study builds the mathematical model for the novel maglev stage and uses computer simulation to tune the PID control parameters. Actual implementation results show that the design is feasible and susceptible to position and altitude control
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2007.893530