Design optimization and performance comparison of two linear motor topologies with PM-less tracks

S.R. Aleksandrov, T.T. Overboom, E.A. Lomonova

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Samenvatting

An essential requirement for a long-stroke linear motion system is a low-cost and robust track. To allow the implementation of a linear motor topology in such application, passive tracks, consisting no rare-earth material, are recommended to reduce the price. This paper presents a comparison between two linear motor topologies with permanent magnet (PM)-less tracks: e.g., linear induction motor (LIM) and linear flux-switching permanent magnet motor (LFSM). These motors are benchmarked to a linear permanent magnet synchronous motor (LSM), which merits itself for high force density. The LIM and the LFSM are optimized for maximized continuous force while considering the same footprint as the LSM. The optimization is based on a multiphysical model containing an analytical representation of the magnetic field distribution, force production, power losses, and thermal the behavior of both structures. The obtained parameters are used to compare different configurations of both motors to the LSM. The results of the comparison show that at the price of higher losses, both topologies have comparable thrust force to the LSM.

Originele taal-2Engels
Artikelnummer8208408
Aantal pagina's8
TijdschriftIEEE Transactions on Magnetics
Volume54
Nummer van het tijdschrift11
Vroegere onlinedatum27 jun 2018
DOI's
StatusGepubliceerd - 1 nov 2018
Evenement2018 IEEE International Magnetics Conference (INTERMAG 2018) - Marina Bay Sands Convention Center, Singapore, Singapore, Singapore
Duur: 23 apr 201827 apr 2018
http://www.intermag2018.com/

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