The simulation results show that the new PFC-PID control method has better tracking performance, robustness and anti-disturbance ability than those of feed-forword PID control.
并通过仿真比较该算法与PID前馈控制的效果，验证其具有良好的跟踪性能、鲁棒性和抗干扰能力。
In the sampling range digital filter was done. The dual directional seam tracking was achieved by this control system and anti disturbance was strengthened.
提出动态采样区域法进行离散采样、数字滤波，实现焊缝双向跟踪，使系统抗干扰能力强。
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