Two PI adjusters were applied for wire feeding velocity control, one performed motor armature voltage 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。
2
Two PI adjustors were applied for wire feeding velocity control, one performed motor armature voltage 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
The human-machine interfaces including speed waveform display and store, armature current monitoring, control parameter setting, experiment instruction and report generator are introduced in detail.