The paper presents a brushless DC torque motor with coreless armature, which hasn't static friction torque.

提出了一种电枢上无铁芯的无刷直流力矩电机, 该电机无静摩擦力矩.

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The coreless PCB transformers eliminate the magnetic cores for the frequency, magnetic saturation and core losses.

无芯变压器消除了磁芯对频率 、 磁饱和度和磁芯损耗.

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