power frequency control loop 电源频率控制回路
automatic frequency control loop 自动频率控制回路
frequency control loop 频率控制回路
frequency alias control loop 频率控制回路
automatic frequency control afc loop 自动锁频环
frequency closed-loop control 频率闭环控制
close-loop frequency control 闭环频率控制
It is suitable for control weak voltage current signal in the frequency converter control loop.
主要用于变频器控制回路中微弱电压、电流信号的控制。
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.
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。
The SPLL consists of calculation frequency error, updating loop middle variable, and output control signal.
该锁相环由计算频率误差、更新环路中间变量、输出控制信号组成。
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