模糊控制逆变弧焊电源

贾贵玺; 刘金涛; 张方

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模糊控制逆变弧焊电源
贾贵玺¹, 刘金涛¹, 张方²
1.天津大学自动化学院, 天津 300072;2.广东湛江师范学院电子系 524000

摘要:

介绍了模糊控制逆变弧焊电源的基本工作原理,控制系统组成以及硬件实现方案。设计出了二输入一输出模糊控制器,模糊控制器以焊接电流偏差和偏差变化率为输入量,输入量通过模糊化处理,模糊推理得出输出结果,再将其解模糊化,得到控制变量的精确输出值,实现电源的恒流外特性控制。研制出一台模糊控制逆变弧焊电源样机,并对其外特性进行了测试。

关键词: 逆变弧焊电源模糊控制 MCS51单片机

DOI：

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基金项目:

Inverter welding power source with fuzzy control

JIA Gui-xi¹, LIU Jin-tao¹, ZHANG Fang²

1.School of Electrical Engineering Automation.Tianjin University, Tianjin 300072, China;2.Zhanjiang Teachers college, Zhanjiang 524000, China

Abstract:

The fuzzy controller is applied to the inverter welding power source. The system is introduced briefly, including run principle, form of control system and hardware design. Then the two input and single output fuzzy controller is designed, and the fuzzy control table is got, that can be applied to control constant current. An inverter welding power source has been produced based on this theory, and the inverter has the excellent dynamic capabilities similarly.

Key words: inverter welding power source fuzzy control MCS-51 single chip microcomputer