A New Concept: Asymmetrical Pick-Ups for Inductively Coupled Power Transfer Monorail Systems

Inductively coupled power transfer systems have recently proven to be popular in moving vehicle monorail systems situated in difficult environments such as clean rooms. In such applications the magnetic design is critical if low weight high power pick-ups are to be realized. Early designs were large...

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Bibliographic Details
Published in:IEEE transactions on magnetics 2006-10, Vol.42 (10), p.3389-3391
Main Authors: Elliott, G.A.J., Covic, G.A., Kacprzak, D., Boys, J.T.
Format: Article
Language:English
Subjects:
Alterations
Asymmetry
Automotive engineering
Conductors
Coupling circuits
Cross-disciplinary physics: materials science
rheology
Design engineering
Electromagnetic coupling
electromagnetic induction
energy conversion
Exact sciences and technology
Ferrite
Finite element methods
Joining processes
magnetic circuits
Magnetic flux
Magnetism
Materials science
Monorails
Other topics in materials science
Packages
Packaging
Physics
Power engineering and energy
Power transfer
Shape
Vehicles
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Summary:Inductively coupled power transfer systems have recently proven to be popular in moving vehicle monorail systems situated in difficult environments such as clean rooms. In such applications the magnetic design is critical if low weight high power pick-ups are to be realized. Early designs were largely experimental and used magnetic shapes that easily fit the existing structure. Modern finite-element-modeling packages are now being used to achieve significant alterations to the pick-up shape under the assumption that the monorail structures can be changed. This paper introduces several important magnetic design metrics that must be considered in such a design process, and applies these to various newly proposed and unconventional asymmetrical pick-up shapes. These new pick-ups are shown to be capable of achieving comparable power output with lower ferrite volume/length of the pick-up structure, or significant increases in output power for identical volume/length, to a conventional E-shaped pick-up
ISSN:0018-9464
1941-0069
DOI:10.1109/TMAG.2006.879619