| 两种PWM控制的送丝方式的比较 |
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| 引用本文： | 姚河清,王欣仁,傅强,姚瑶. 两种PWM控制的送丝方式的比较[J]. 电焊机, 2011, 41(4): 57-60,64 |
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| 作者姓名： | 姚河清 王欣仁 傅强 姚瑶 |
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| 作者单位： | 河海大学机电学院;南京航空航天大学材料学院; |
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| 摘 要： | 设计了一种基于DSP的数字化控制PWM调速送丝系统,分别采用双极模式和受限单极模式两种方式进行送丝实验,两种模式采用不同的采样方式和控制方式.实验结果表明,在电网电压渡动和送丝软管从平直状态到软管中部弯绕φ400mm一圈情况下,发现两种送丝方式都能满足要求,而采用受限单极模式PWM控制方式时送丝性能最好,送丝速度最稳定...
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| 关 键 词： | 送丝系统 双极模式 受限单极模式 送丝速度变化率 |
Comparison of the two PWM control methods for wire-feeding |
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| YAO He-qing,WANG Xin-ren,FU Qiang,YAO Yao. Comparison of the two PWM control methods for wire-feeding[J]. Electric Welding Machine, 2011, 41(4): 57-60,64 |
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| Authors: | YAO He-qing WANG Xin-ren FU Qiang YAO Yao |
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| Affiliation: | YAO He-qing1,WANG Xin-ren1,FU Qiang1,2,YAO Yao1(1.College of Mechanical & Electrical Engineering,Hohai University,Changzhou 213022,China,2.Material College,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | A digital PWM speed control system for wire-feeding based on DSP is designed in the paper,two PWM control methods of bipolar mode and limited-monopolar mode have been tested respectively,with the various methods of sample and control.It has been indicated that excellent capability and stable speed of the wire-feeding system can be achieved by the PWM control method of limited-monopolar mode,which can totally meet the requirements of welding process,with the test condition of fluctuating voltage of power gri... |
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| Keywords: | wire-feeding system bipolar mode limited-monopolar mode variation ratio of wire-feeding speed |
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