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Design of AD Circuit in Spot Welding Intelligence Control System Based on DSP

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ã€Authorã€‘ FENG Sang 1,2 ,HUANG Shi-sheng 1,LIN Yi-song 3,LI Yuan-bo 1,LU Pei-tao 1 (1.Faculty of mechanical Eng. SCUT,510640;2.Faculty of electromechanical Eng. GDUT,510090;3.Guangzhou NC machine tool factory,510160,China)

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ã€Abstractã€‘ Base on the control characteristics of the AC resistance spot welding,a spot welding intelligence control system based on DSP is designed. In the AD Circuit,the 12-bit 4-channels high speed AD-TLV2544 has been used. The interface of TLV2544 and DSP,signal input and software design are introduced detailed. It is proven by technical experiment that this system get nice accuracy.æ›´å¤š è¿˜åŽŸ