Harmonic and magnetic charge model comparison of spherical permanent magnet structures considering a Neumann boundary

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Samenvatting

The rapid advances in assistive devices brought out the desire of spherical actuators because of their multiple degrees of freedom and similarity to ball and socket joints [1]. For this application a high torque density is beneficial for the volume of these devices. Due to the typical structure of slotted spherical actuators, designs have to be modeled in 3-D to gain accurate results. As commercially available modeling tools, such as FEA (finite element analysis), are very time consuming, semi-analytical models are needed to optimize a design. A slotted topology can be evaluated by including a Neumann boundary, representing material with a high permeability and a surface current density sheet distribution to model the coils [2]. Two semi-analytical models exists for obtaining the magnetic flux density generated by a spherical permanent magnet array namely, harmonic model [3] and magnetic charge model [4].
Originele taal-2Engels
TitelProceedings of the International Magnetics Conference (INTERMAG 2015), May 11- 15, 2015, Beijing, China
Plaats van productiePiscataway
UitgeverijInstitute of Electrical and Electronics Engineers
Pagina's1
ISBN van geprinte versie978-1-4799-7321-7
DOI's
StatusGepubliceerd - 2015
Evenement2015 IEEE International Magnetics Conference (INTERMAG 2015) - Beijing, China
Duur: 11 mei 201515 mei 2015

Congres

Congres2015 IEEE International Magnetics Conference (INTERMAG 2015)
Verkorte titelINTERMAG 2015
LandChina
StadBeijing
Periode11/05/1515/05/15
AnderInternational Magnetics Conference (INTERMAG 2015)

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