空心阴极真空电弧焊接的引弧机理及参数优化
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摘要
针对现有真空电弧焊接技术引弧过程的各关键因素没有明确标准,大部分依据经验来调节各因素的数值等问题,对真空电弧焊接设备的引弧过程影响因素进行了研究。以快速建立电弧、得到稳定引弧电流为目的,从电弧建立的基本机理入手,对氩气流量、击穿电压、击穿距离以及钽管直径等引弧过程中各影响因素进行了逐一分析。使用自适应神经模糊推理系统(adaptive neural network based fuzzy interference system,简称ANFIS)模型建立引弧最优参数预测模型,使用氩气流量、真空度、击穿距离及钽管直径作为模型输入,预测击穿电压最优值。通过现场实验,验证和完善了理论研究以及本研究参数预测模型的预测性能。结果表明,使用本研究的预测模型得到的系统参数进行引弧实验,引弧电流稳定,符合工艺要求。
引文
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[4]郭和平,钱乙余,方洪渊,等.空心阴极真空电弧基本特性的研究[J].机械工程学报,2000,36(4):91-94.Guo Heping,Qian Yiyu,Fang Hongyuan,et al.The research of basic features of hollow cathode vacuum arc welding[J].Chinese Journal of Mechanical Engineering,2000,36(4):91-94.(in Chinese)
[5]黄健康,石玗,卢立晖,等.脉冲MIG焊建模仿真分析及弧长控制[J].机械工程学报,2011,47(4):37-41.Huang Jiankang,Shi Yu,Lu Lihui,et al.Modeling simulation analysis and arc length control of pulsed MIG welding[J].Journal of Mechanical Engineering,2011,47(4):37-41.(in Chinese)
[6]孙清洁,林三宝,杨春利,等.超声钨极氩弧复合焊接电弧压力特征研究[J].机械工程学报,2011,47(4):53-57.Sun Qingjie,Lin Sanbao,Yang Chunli,et al.Characteristic of arc pressure in ultrasonic-TIG hybrid welding[J].Journal of Mechanical Engineering,2011,47(4):53-57.(in Chinese)
[7]许建平,巩春志,田修波,等.工艺参数对空心阴极真空电弧电子温度影响[J].焊接学报,2014,35(6):26-30.Xu Jianping,Kong Chunzhi,Tian Xiubo,et al.The temperature influence of process parameters on the hollow cathode vacuum arc electronic[J].Transactions of the China Welding Institution,2014,35(6):26-30.(in Chinese)
[8]谢苗,刘治翔,毛君.基于改进型ANFIS的磁致伸缩液位传感器温度补偿[J].传感技术学报,2015,28(1):49-55.Xie Miao,Liu Zhixiang,Mao Jun.Research on temperature compensation system of magnetostrictive liquid level sensor based on improved ANFIS[J].Chinese Journal of Sensors and Actuators,2015,28(1):49-55.(in Chinese)
[9]吴小娟,朱新坚,曹广益,等.固体氧化物燃料电池的数学模型及自适应神经模糊辨识模型的研究[J].电网技术,2008,32(1):9-14.Wu Xiaojuan,Zhu Xinjian,Cao Guangyi,et al.Modeling of solid oxide fuel cell based on mathematical theory and adaptive neural fuzzy inference system identification[J].Power System Technology,2008,32(1):9-14.(in Chinese)
[10]程军圣,郑近德,杨宇.变量预测模型在齿轮故障诊断中的应用[J].振动、测试与诊断,2013,33(S1):111-114.Cheng Junsheng,Zheng Jinde,Yang Yu.Variable predictive model in the application of the gear fault diagnosis[J].Journal of Vibration,Measurement&Diagnosis,2013,33(S1):111-114.(in Chinese)
[11]胡艳娟,王占礼,董超,等.集成对称模糊数及有限元法的切削力预测[J].振动、测试与诊断,2014,34(4):673-679.Hu Yanjuan,Wang Zhanli,Dong Chao,et al.The cutting force prediction of integrated symmetric fuzzy number and the finite element method[J].Journal of Vibration,Measurement&Diagnosis,2014,34(4):673-679.(in Chinese)