The control to welding procedure is realized by a control circuit, and wire feed rate is regulated and controlled by speed governing circuit with the armaturevoltage negative feedback.
由控制电路实现焊接程序的控制，带电枢电压负反馈的调速电路控制和调节送丝速度。
2
Two PI adjusters were applied for wire feeding velocity control, one performed motor armaturevoltage feedback, the other one executed arc voltage feedback to determine the given velocity.
送丝速度通过两个PI调节器进行双闭环控制，分别进行电枢电压反馈和电弧电压反馈。
3
Two PI adjustors were applied for wire feeding velocity control, one performed motor armaturevoltage feedback, the other one executed arc voltage feedback to determine the given velocity.