拥有双闭环控制功能，最大程度高效快速加热，优化金属工件的加热过程。
Having double close-loop control function may heat rapidly with high efficiency furthest and optimize the heating process of metal workpiece.
为实现翻转过程中薄膜的恒线速度、恒张力控制，采用转速和张力的闭环控制，将线速度作为主控制变量，进行综合控制。
In order to carry out the constant line speed and the constant tension for the rolling of plastic films during reversal, loop control of the rotating speeds and the tension is adopted.
在焊接过程中，对电弧电压、焊接电流、焊接速度实现闭环控制。
The loop circuit controlling of current, voltage and speed of welding can be realized in welding process.
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