2015 IEEE Magnetics Conference (INTERMAG) 2015
DOI: 10.1109/intmag.2015.7157406
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Abstract: I . INTRODUCTIONSurface-mounted permanent magnet (SPM) motors have been increasingly favored due to smaller volume, higher power density, higher efficiency, and higher positioning accuracy, widely applied in many applications such as textile machinery, robot,and packaging machinery . The interaction between permanent magnet (PM) and the slotted iron produces the cogging torque . For SPM motor with high-performance sintered Nd-Fe-B, cogging torque is more serious, which causes torque ripple, vibration, and nois… Show more

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Cited by 5 publications
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“…However, strong magnetic force of Nd‐Fe‐B magnets is likely to cause great cogging torque 4 ; in addition to designs using reluctance torque, gap inductance varies greatly with rotor position, which may add to torque ripple during on‐load operation. Cogging torque and torque ripple cause vibration, noise, and speed fluctuation 5 .…”
Section: Introductionmentioning
confidence: 99%
“…However, strong magnetic force of Nd‐Fe‐B magnets is likely to cause great cogging torque 4 ; in addition to designs using reluctance torque, gap inductance varies greatly with rotor position, which may add to torque ripple during on‐load operation. Cogging torque and torque ripple cause vibration, noise, and speed fluctuation 5 .…”
Section: Introductionmentioning
confidence: 99%