| 单片机提高点焊恒流控制精度的探索 |
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| 引用本文： | 解生冕,钟日锋,叶廷东.单片机提高点焊恒流控制精度的探索[J].广州航海高等专科学校学报,2004,12(1):20-23,37. |
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| 作者姓名： | 解生冕 钟日锋 叶廷东 |
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| 作者单位： | 广州航海高等专科学校,计算机与信息工程系,广东,广州,510725;华南理工大学,机械工程学院,广东,广州,510090;广东轻工职业技术学院,计算机系,广东,广州,510300 |
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| 摘 要： | 根据点焊及单片机的特点探索用双CPU进行点焊恒流控制,解决利用逐点积分法计算点焊焊接电流有效值占用CPU时间多的难题,研制的双CPU控制器,一个8031CPU负责键盘、焊接过程控制、群控和触发角控制等,另一个803lCPU专职负责电流的采集、积分计算、显示,算出电流有效值后,送给上一个CPU与设定值进行比较,调整触发角,实现恒流控制。
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| 关 键 词： | 双CPU 点焊 恒流控制 逐点积分法 PID控制法 |
| 文章编号： | 1009-8526(2004)01-0020-04 |
Development of Constant Current Controller with Dual-CPU for Spot Welding |
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| XIE Sheng-mian,ZHONG Ri-feng,YE Ting-dong.Development of Constant Current Controller with Dual-CPU for Spot Welding[J].Journal of Guangzhou Maritime College,2004,12(1):20-23,37. |
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| Authors: | XIE Sheng-mian ZHONG Ri-feng YE Ting-dong |
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| Institution: | XIE Sheng-mian,ZHONG Ri-feng,YE Ting-dong Department of Computer Science and Information Technology,Guangzhou Maritime College,Guangzhou 510725,China Mechanic Engineering College,South China University of Technology,Guangzhou 510641,China Department of Computer Science,Guangdong Light Industry Profesional College,Guangzhou 510300,China |
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| Abstract: | A method of controlling constant current in spot welding is explored,which may solve the problem of too
much time spent in calculating the virtual value of welding current by adopting the point-by-point Integral method.
One 8031 CPU is engaged in the keyboard operation,the welding process controlling,the group and the conduction
angle controlling,etc.Another 8031 CPU is engaged in the data collection of welding current,integral calculation,
displaying the current virtual value and sending the value to another CPU for comparing with the preset value in or-
der to adjust the conduction angle of the thyristor. |
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| Keywords: | dual-CPU spot welding constant current control point-by-point integral method PID control |
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