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1·Principle of thwartwise motion in tufting machine, hardware and function of Programmable Multi-Axis Controller (PMAC) and controlling process were presented.

叙述了地毯簇绒机中横动运动的伺服控制，提出了基于可编程多轴控制器（PMAC）运动控制卡的半闭环控制系统。