Rotary-to-Linear Magnetic Gear

Rotary-to-Linear Magnetic Gear

The paper introduces a permanent magnet rotary-to-linear magnetic gear whose topology is derived based on the operating principle of a transverse flux VRPM machine. It is shown that when the number of poles per unit length on all three members, rotor, translator and stationary flux modulating ferrom...

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Bibliographic Details
Published in:IEEE transactions on industry applications Vol. 59; no. 3; pp. 1 - 11
Main Authors: Lang, Thang V., Sharkh, Suleiman M., Anglada, Jaime R., Hendijanizadeh, Mehdi, Moshrefi-Torbati, Mohamed
Format: Journal Article
Language:English
Published: New York IEEE 01-05-2023
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Fasteners
Ferromagnetism
Finite element method
Gear ratios
Helical gears
Magnetic confinement
Magnetic gear
Magnetic gears
Magnetic resonance imaging
permanent magnet machines
Permanent magnets
Poles
rotary-to-linear gear
Rotors
Topology
Torque
transverse flux machines
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Description
Summary:The paper introduces a permanent magnet rotary-to-linear magnetic gear whose topology is derived based on the operating principle of a transverse flux VRPM machine. It is shown that when the number of poles per unit length on all three members, rotor, translator and stationary flux modulating ferromagnetic pieces, are the same, the proposed gear is essentially similar to a magnetic screw gear with discretised helical magnets. Using different number of poles and iron pieces per unit length provides alternative means for adjusting the gear ratio. The paper describes the design and construction of a demonstrator gear whose dimensions were optimised using finite element analysis. Performance results obtained from finite element analysis and experiment are presented and discussed.
ISSN:0093-9994
1939-9367
DOI:10.1109/TIA.2023.3252520