According to the adjusting principle of current bi-colsed, PLC and 6ra70 digital DC speed regulating device is adopted, which controls over the system of the rolling mill.
根据电流双闭环调速原理，采用6ra70直流全数字调速装置与P LC结合，控制材轧机电系统。
The M/T method by using 51 single- chip is improved and then a digital speed-regulating system for DCM drives is proposed.
设计了这种方法控制的软件与硬件，且对51单片机控制的M/T测速法进行了改进，实现了98单片机控制数字式直流调速系统。
The M/T method by using 51 single- chip is improved and then a digital speed-regulating system for DCM drives is proposed.
设计了这种方法控制的软件与硬件，且对51单片机控制的M/T测速法进行了改进，实现了98单片机控制数字式直流调速系统。
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