对无传感器无刷直流电机的驱动系统进行了研究，详细论述了开关电容低通滤波器的设计方法。
In this paper a driving system with sensorless and brushless DC motor is studied, the lowpass design method for switching capacitor is discussed in detail.
介绍了无刷直流电机无位置传感器转子位置检测的一种新方法。
Describes a novel method of detecting for rotor flux position of the brushless DC motor (BLDCM).
永磁无刷直流电机位置传感器和转矩波动的存在限制了它的应用范围。
For the being of the torque ripple and the position sensors, the application of brushless DC motors is limited.
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