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根据ＣＯ２ 焊试验结果，利用模糊集合理论及建立在该理论基础上的模糊控制技术，详细介绍了ＣＯ２ 焊焊缝自动跟踪系统模糊控制器的设计、模糊变量的选择及模糊量的模糊化和模糊判决的过程。利用实际的调整量Ｄ 与电流差值ΔＩｆ的关系，即可实现ＣＯ２ 焊焊缝的自动跟踪控制。
According to the CO2 welding test results, the fuzzy set theory and the fuzzy control technology based on the theory are introduced in detail. The design of the fuzzy controller of the automatic tracking system of CO2 welding seam, the selection of fuzzy variables and the fuzzy and fuzzy Judgment process. The actual adjustment of the amount of D and current difference ΔIf relationship, CO2 welding seam can be achieved automatically tracking control.