An embedded controller of fan is designed in order to meet strict requirement of air quality and comfortable degree in room.
为满足人们对室内空气质量和舒适度的高要求，设计了一种嵌入式风机控制器。
The main function of the controller: make heat, make cool, dehumidify, rotation fan, auto run, timing run, auto defrost, sleeping run and so on is also presented.
阐述了控制器的主要功能：制热、除湿、通风、自动运行、定时运行、自动除霜、睡眠等。
A pressure controller is employed to modulate speed of regulating pressure fan in a PID control mode.
利用一个压力控制器，采用PID控制方法对调压风机进行变频控制。
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