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Direct flux regulated permanent magnet brushless motor utilizing sensorless control by dc and ac excitation
Direct flux regulated permanent magnet brushless motor utilizing sensorless control by dc and ac excitation
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机译:直接磁通量调节的永磁无刷电机,利用直流和交流励磁的无传感器控制
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摘要
A flux regulated permanent magnet brushless motor has a stator having an inner peripheral bore. A permanent magnet rotor (21) is mounted within the inner peripheral bore. A control winding (24) is supplied to a DC current to regulate flux of the machine. A small AC current is also supplied and an output is sensed (114) to determine (119) a position of the permanent magnet rotor.
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