本文还涉及到了新型的焊接参数显示系统，可以显示电压，电流和焊接速度。
It also involves a new type of welding parameter display system, can display voltage, current and welding speed.
系统采用积分分离式变参数PID调节器，在焊接电流调节范围内，具有良好的响应速度和调节性能。
The PID adjuster of integration separation mode has been used in this system, which have good responsive speed and adjust property in the range of welding current.
发现焊接电流、离子气流量和焊接速度对收弧过程影响较大。
The welding current, welding speed and the plasma gas flow rate were the most important parameters in the ending stage.
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