| TIG焊熔宽的自整定PID闭环控制系统 |
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| 引用本文： | 黄石生,章敬腾,宋永伦.TIG焊熔宽的自整定PID闭环控制系统[J].焊接学报,1994,15(2):122-130. |
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| 作者姓名： | 黄石生 章敬腾 宋永伦 |
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| 作者单位： | 广州华南理工大学 |
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| 摘 要： | 对于焊接过程中常出现各种干扰，焊接条件时有变化的ＴＩＧ自动焊而言，改进传感方法和控制技术是提高焊缝质量闭环控制系统控制效果的两大途径。本文在对采用ＣＣＤ摄象机正面拍摄熔池图象并用微机进行图象处理，以及对参数在线自整定ＰＩＤ控制原理的研究基础上，设计了一种ＴＩＧ焊参数在线自整定ＰＩＤ熔宽闭环控制系统。试验结果表明，该系统具有良好的控制特性和对焊接条件变化的适应性，可用于ＴＩＧ焊焊缝质量的实时控制。
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| 关 键 词： | TIG PID 反馈控制 焊接熔池 |
| 收稿时间： | 1993/12/9 0:00:00 |
Auto-tuning PID control system for molten pool in TIG welding |
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| Huang Shisheng,Qin Jingteng and Song Yonglun.Auto-tuning PID control system for molten pool in TIG welding[J].Transactions of The China Welding Institution,1994,15(2):122-130. |
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| Authors: | Huang Shisheng Qin Jingteng and Song Yonglun |
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| Affiliation: | South China University of Technology, Guangzhou,South China University of Technology, Guangzhou and South China University of Technology, Guangzhou |
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| Abstract: | This paper attempts to devclop an auto-tuning PID control system,in whichCCD vision sensor and image process techniques are uscd for on-line closed-loopcontrol of the molten pool width in TIG welding.The experimental results show thatthe system is characterized by its good performance and adaptation to variations inwelding condition. |
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| Keywords: | vision sensor adaptive PID control molten pool |
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