最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
麦克斯韦应力张量法是计算电机电磁转矩的有效方法。
Maxwell stress method is an available one to calculate electromagnetism torque of machines.
利用傅里叶分解及能量虚位移法，推导了磁阻转矩的计算公式。
The calculation formula of the cogging torque are derived by the Fourier decomposition and the virtual displacement method.
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