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42.简化 BLDC 无刷直流电机的换相和反馈系统

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42.简化 BLDC 无刷直流电机的换相和反馈系统
Simplifying BLDC Commutation and Feedback System
Teng, Kong Leong, Avago Technologies Malaysia

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ABSTRACT ― In a Brushless DC (BLDC) motor system,
an electronic mechanism is required to commutate the
system. Unlike a Brush DC motor system, the
permanent magnet is located at the Rotor and the
windings are located at the Stator. As a result of this
setup arrangement, the windings are required to
energize in sequence, to enable smooth commutation.
For the electronic system to determine which windings
to energize, Hall sensor feedback is used to get the
current location of the windings with respect to the
Rotor magnet. When using the Hall sensor, the
manufacturer is required to add an additional printed
circuit board and magnet that will increase cost.
Furthermore, an additional ……
标签:AvagoBLDC
42.简化 BLDC 无刷直流电机的换相和反馈系统
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