Through the analysis of order tracking, this paper find a new method that realize orientation data sample in rotor test.
本文通过对阶次跟踪的分析，找到了一种实现旋翼同方位数据采集的新方法。
While balancing a rotor system, the key is to sample the vibration signals in integral period way.
对转子系统进行动平衡的关键在于对振动信号的整周期采样。
Take the sample motor for example, it is analyzed that the influence of the stator winding turns, permanent magnet width and the rotor shape on the torque performance.
以具体样机为例，分析了定子绕组匝数、永磁体充磁方向长度和转子外形对转矩特性的影响。分析结果表明：永磁体宽度接近于整数倍定子齿距可降低负载脉动转矩；
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