文章介绍了一种由工业计算机控制的变频调速闭环控制系统，同时介绍了该系统的控制功能和电气实现。
The closed circuit control system with frequency conversion for adjusting speed controlled by industrial computer is introduced with its control function and realization.
介绍了HC 40 0可逆冷轧机液压压下厚度计算机控制系统的总体组成，并较详细地介绍了厚度闭环用的STD工控机硬件和软件设计。
The composition of the hydraulic gauge computer control system for HC 400 reversing cold mill is introduced. The hardware and software designs of STD industrial control computer are described.
介绍了HC 40 0可逆冷轧机液压压下厚度计算机控制系统的总体组成，并较详细地介绍了厚度闭环用的STD工控机硬件和软件设计。
The composition of the hydraulic gauge computer control system for HC 400 reversing cold mill is introduced. The hardware and software designs of STD industrial control computer are described.
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