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无位置传感器无刷电机的控制采用反电动势滤波检测方式

更新时间:2019-09-02 11:10:47 大小:3M 上传用户:sun2152查看TA发布的资源 标签:传感器无刷电机 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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This application note describes a sensorless brushless DC(BLDC) motor control algorithm, implemented using the dsPIC? digital signal controller(DSC). The algorithm works by digitally filtering the back-Electromotive Force

(back-EMF) on each phase of the motor and determin-

ing when to commutate the motor windings based on the filtered back-EMF signals. This control technique precludes the need for discrete, low-pass filtering hardware and off-chip comparators.

BLDC motors are used in a variety of applications. The algorithm described in this application note targets BLDC motors that operate in the 40k to 100k electrical RPM range. Some BLDC motor applications that run in this RPM range are model RC motors, fans, hard drives, air pumps and dental drills.

The algorithm described in this application note can be implemented on two Microchip development board platforms:


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1567393383无位置传感器无刷电机的控制采用反电动势滤波检测方式.pdf 3M

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