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首页> 外文期刊>IEEE Transactions on Magnetics >The influence of finite element discretisation on the prediction of cogging torque in permanent magnet excited motors
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The influence of finite element discretisation on the prediction of cogging torque in permanent magnet excited motors

机译：有限元离散化对永磁励磁电机齿槽转矩预测的影响

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摘要

The accuracy of the predicted torque from a finite-element calculation is determined largely by the level of discretization, as well as the evaluation method employed. The stored energy is used to gauge the adequacy of the meshing density in a finite element model for the prediction of the cogging torque in permanent magnet excited motors. The relationship between the stored energy and the torque predicted by both the energy method and Maxwell stress integration is discussed and demonstrated by case studies, and recommendations for their implementation are presented.
机译：有限元计算得出的预测扭矩的精度在很大程度上取决于离散化程度以及所采用的评估方法。存储的能量用于在有限元模型中测量啮合密度的适当性，以预测永磁励磁电机的齿槽转矩。通过案例研究讨论并证明了通过能量方法和麦克斯韦应力积分预测的储能与扭矩之间的关系，并提出了实施建议。

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