阐述不对称三相双层分数槽绕组的对称化设计方法。
In this paper set forth the method of symmetric design for three-phase double layer asymmetric fractional slot winding.
指出了采用近槽极（数）配合的分数槽绕组的结构设计特点。
The design feature of fractional slot with close slot-pole match is also summarized.
介绍分数槽绕组在正弦波交流永磁伺服电动机中的应用及实例。
This paper introduces the application of the fractional slot winding in the ac sine wave PM servo motors as well as its prototype.
同时，还对单节距分数槽绕组进行研究，计算了电机的绕组因数，分析绕组电流对电感的影响。
Meanwhile, the single pitch fractional-slot winding research was also carried out, calculating the winding factor and analysis the influence of current on winding inductance.
采用近极槽数的特殊集中分数槽绕组解决了电机多极数，低转速情况下电机极、槽配合的矛盾。
On conditioning that the motor has high pole number and low speed, the contradiction of slots and pole combination is improved by concentrated fractional slot winding.
结果：与对照组相比，模型组牙槽骨骨小梁面积百分数、骨小梁厚度，骨小梁数量、骨小梁分离度差异均没有统计学意义。
Results: Compared with control group, no difference in percent trabecular area, trabecular thick ness, trabecular number and trabecular separation was found in model group.
结果：与对照组相比，模型组牙槽骨骨小梁面积百分数、骨小梁厚度，骨小梁数量、骨小梁分离度差异均没有统计学意义。
Results: Compared with control group, no difference in percent trabecular area, trabecular thick ness, trabecular number and trabecular separation was found in model group.
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