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单片机控制在局扇交流调速系统中的控制算法分析韩伟韬，金王尧，赵国才（阜新矿业学院）煤矿的井下生产．必须考虑通风安全这一因素，根据井下有害气体不同程度地改变通风量的大小。改变通风量有两种方式：一是风机恒速运行，在通风人口处靠挡板或阀门改变人风管网口径．...
Control Algorithm Analysis of SCM Controlled in AC Fan Speed Control System Han Weitao, Jin Wangyao, Zhao Guocai (Minerals Research Institute, Fuxin Mining Institute) Underground Production of Coal Mine. Must consider the ventilation safety factor, according to underground harmful gases to varying degrees the size of ventilation. There are two ways to change the ventilation: First, the fan running at constant speed, at the ventilation of the population by the baffle or valve to change the human duct diameter. ...