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Huanyu Ou, Yuli Hu, Zhaoyong Mao and Yukai Li
How to reduce the cogging torque of the integrated propeller motor is an important means to improve its noise performance because cogging torque is one of the key factors causing torque ripple. We proposed a method to reduce the cogging torque by optimiz...
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Nathan Majernik and James Rosenzweig
An approach to fabricating Halbach array undulators using ?combs? machined from single magnets is introduced. This technique is especially relevant to the fabrication of short period micro-undulators with period lengths considerably less than the few-cen...
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Baoquan Kou, Feng Xing, Lu Zhang, Chaoning Zhang and Yiheng Zhou
The traditional model of the electromagnetic force and torque does not take the coil corners into account, which is the major cause for the motor fluctuation. To reduce the fluctuation, a more accurate real-time computation model, which considers the inf...
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