此系统的硬件主要包括五个子系统，即：焊接电源、弧长控制器、送丝机构、焊矩行走机构和检测机构；
The hardware of the system comprises the five sub-systems, i. e. welding power source, arc length controller, welding wire feeder, welding head traveller and detector.
介绍了利用编码器实现送丝电机转速的数字反馈转速控制调速系统。
Making use of wire feed motor with encoder, a digital wire feeder system based on speed feedback of rotation speed with encoder of wire feed motor.
本文针对高质量板材对接填丝激光焊的需要，设计了对缝间隙宽度检测的传感器与送丝控制系统。
To guarantee good quality of butt laser welding with filler wire, a gap width detecting sensor and a wire feeding system has been designed.
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