2014 IEEE Conference and Expo Transportation Electrification Asia-Pacific (ITEC Asia-Pacific) 2014
DOI: 10.1109/itec-ap.2014.6941264
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Abstract: Reducing the thrust ripple is one of the important analysis and research contents of Permanent Magnet Linear Motor (PMLM). The thrust ripple was mainly caused by the cogging force and the end force. In this paper, in order to reduce cogging force in PMLM, the mechanism of cogging force was analyzed. And the analytical expression of the cogging force was got using energy method and Fourier expansion. Based on the expression, the effect of slot-poles number, pole-arc coefficient and slot-opening coefficient on c… Show more

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Cited by 3 publications
(2 citation statements)
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“…A reduction of the effect due to tooth and slot alternation is made possible by: screwing the magnets into the shifter [29] and install them rotated by 17° respect to the axis orthogonal to the side shifter [12], [30], [31]. This second optimization is shown in Figure 5.…”
Section: A Power Take Off (Pto)mentioning
confidence: 99%
“…A reduction of the effect due to tooth and slot alternation is made possible by: screwing the magnets into the shifter [29] and install them rotated by 17° respect to the axis orthogonal to the side shifter [12], [30], [31]. This second optimization is shown in Figure 5.…”
Section: A Power Take Off (Pto)mentioning
confidence: 99%
“…Therefore, solutions normally proposed in rotary machines solve only a part of the problem pertaining to the cogging force in case of linear machines [52]. To solve the end effect, specific solutions should be adopted, like the optimization of the shape of the auxiliary teeth (the first one and the last one) in the stator, in order to minimize this phenomenon [50].…”
mentioning
confidence: 99%