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�������պ����ѧѧ�� 2002, Vol. 28 Issue (3) :346-349    DOI:
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Waveform Fuzzy Logic Control Method Used in CO2 Gas Metal Arc Welding
ZHANG Jun-hong1, WANG Hong-fang2, HUANG Shi-sheng3*
1. Beijing University of Aeronautics and Astronautics, School of Mechanical Engineering and Automation;
2. Electric Power Research Institute;
3. South China University of Technology

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Abstract�� A waveform fuzzy logic control method used in CO2 gas metal arc welding was proposed in order to get stable arc length with constant current output characteristics. Working principle of the waveform control system was presented and designing procedures of a fuzzy logic controller were provided. Experiments with the above method were conducted. The results indicated that the proposed method works satisfactorily, giving rise to an excellent comprehensive technological performance. The performance includes a stable welding process, few spatters and a good bead formation.
Keywords�� gas shielded arc welding   spray   fuzzy logic   waveform control   welding arc length control     
Received 2000-10-17;
Fund:

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�ž���, ���鷽, ��ʯ��.CO2���屣�����IJ���ģ���߼����Ƶķ���[J]  �������պ����ѧѧ��, 2002,V28(3): 346-349
ZHANG Jun-hong, WANG Hong-fang, HUANG Shi-sheng.Waveform Fuzzy Logic Control Method Used in CO2 Gas Metal Arc Welding[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2002,V28(3): 346-349
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