同时利用霍尔传感器将电机速度转换成脉冲频率反馈到单片机中，实现转速闭环控制，达到转速检测目的。
At the same time using Holzer sensors will be converted into pulse frequency motor speed feedback to the MCU, realize the speed closed-loop control, to achieve speed detection.
重点对车速的检测方法及其所用霍尔传感器进行了讨论和设计，提出了一种关于转速计算的自适应检测方法。
Discussion and design of the method and Hall sensor of speed test are keystone, and an adaptive method of rotation calculation is presented.
在永磁无刷直流电机中，霍尔位置传感器经常用来测量电机的转子位置和转速。
In a BLDCM, Hall position sensors (HPS) are usually used to detect the rotor's position and rotary speed.
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