Synchronizer gear hub is made of PM, with more complex shapes and different thickness section.
同步器齿毂的材料为粉末冶金，形状比较复杂，而且截面的厚度不一样。
The paper presents a control system of an interior permanent magnet synchronous motor (IPM PM) for elevator driver without gear box. The system is based on DSP embedded processor.
针对无齿轮电梯对电机拖动的要求，实现了一种基于DSP嵌入式芯片的永磁同步电机调速系统。
The stator is multiphase windings and outer rotor is PM structure. The wind turbine and generator is coupled directly without gear.
该定子为多相绕组，外转子为永磁结构，风轮与发电机直接耦合。
The stator is multiphase windings and outer rotor is PM structure. The wind turbine and generator is coupled directly without gear.
该定子为多相绕组，外转子为永磁结构，风轮与发电机直接耦合。
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