| 利用等离子体光、电信号对激光深熔焊焦点位置的双闭环控制 |
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| 引用本文： | 姜平,陈武柱,夏侯荔鹏,张旭东,张红军.利用等离子体光、电信号对激光深熔焊焦点位置的双闭环控制[J].应用激光,1999(5). |
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| 作者姓名： | 姜平 陈武柱 夏侯荔鹏 张旭东 张红军 |
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| 作者单位： | 清华大学机械工程系激光加工研究中心!北京100084 |
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| 基金项目： | 国家自然科学基金! 59675055 |
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| 摘 要： | 本文利用等离子体电荷信号和等离子体光信号的特性，研制成功可同时控制喷嘴－工件距离和光束焦点位置的双闭环控制系统。
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| 关 键 词： | 激光深熔焊 焦点位置 双闭环控制 热透镜效应 |
Two Closed - loop Control of Focus Position Using Plasma Photo and plasma Charge Signals in Laser Deep Penetration Welding |
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| Jiang Ping,Chen Wuzhu,Xiahou Lipeng,Zhang Xudong,Zhang Hongjun.Two Closed - loop Control of Focus Position Using Plasma Photo and plasma Charge Signals in Laser Deep Penetration Welding[J].Applied Laser,1999(5). |
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| Authors: | Jiang Ping Chen Wuzhu Xiahou Lipeng Zhang Xudong Zhang Hongjun |
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| Abstract: | A two closed - loop control system of focus position in laser deep penetration welding has been developed, and both nozzle - to - workpiece distance and focus position of laser beam can be controlled by laser induced plasma charge signal and plasma photo signal |
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| Keywords: | laser deep penetration all - closed control focus position |
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