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This paper proposes a kind novel double-side multi-tooth switched flux linear motor (DMSFLM). Since it is almost composed by two back-to-back single-side MTSFLMs, it can have much low thrust ripple by adjusting secondary tooth position in two sides. By comparing different structures, the influences of secondary tooth position is investigated. To DMSFLM moving secondary, the influence almost can be...
With the popularization of permanent magnet linear synchronous motor (PMLSM) in recent year, the problem of temperature rise has attracted more and more attention since excessive heat generated in the windings could deteriorate the electromagnetic performance and limit thrust density. Thus, thermal analysis is an essential step of motor design. In order to solve this problem, a suitable method is...
The thrust ripple of Permanent Magnet Linear Synchronous Motor (PMLSM) at load can reach 10% average thrust, which deteriorates thrust performance. To reduce the thrust ripple, two methods of optimizing the primary length and skewing are widely adopted during PMLSM design. In this paper, the effect of skewing technology is investigated. Based on 2D finite element method (FEM), the characteristics...
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