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The meso-spray transfer of Al-alloys metal inert-gas (MIG) welding has the advantages of well-adjusting of the length of arc and beautiful appearance of weld due to the characters of droplet transfer. In this study, the self-adapting control which is brought to meet the arc of meso-spray transfer is accessed by analyzing the approximate entropy (ApEn) of the arc voltage on the aspect of non-linear dynamics. Under self-adapting control, the change of ApEn value with the varing metal transfer mode is discussed, which is due to the change of the parameter of process. Under spray transfer, two kinds of ApEn values of the self-adapting control and common pulsed control are compared, and we find that the self-adapting control is fit for meso-spray transfer. The results show that the smaller the value of approximate entropy is, the better the effect of the self-adapting control is.
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Keywords:
- self-adapting control /
- meso-spray transfer /
- metal inert-gas welding /
- approximate entropy
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[7] Huang L Y, Wang Y M, Liu J P, Wang J 2004 Proceedings of the 26th Annual International Conference of the IEEE EMBS, San Francisco, USA September 1—5, 2004 4537
[8] Wang Q G, Zhang Z P 2008 Acta Phys. Sin. 57 1976 (in Chinese) [王启光、张增平 2008 物理学报 57 1976]
[9] Li Q, Wang T Y, Leng Y G, He G Y, He H L 2007 Acta Phys. Sin. 56 6803 (in Chinese) [李 强、王太勇、冷永刚、何改云、何慧龙 2007 物理学报 56 6803]
[10] Cao B, Lü X Q, Zeng M, Wang Z M, Huang S S 2006 Acta Phys. Sin. 55 1696 (in Chinese) [曹 彪、吕小青、曾 敏、王振民、黄石生 2006 物理学报 55 1696]
[11] Xu F R, Yang L J, Li H, Ma C 2009 J. Tianjin Univ. 42 855 (in Chinese) [许芙蓉、杨立军、李 桓、马 闯 2009 天津大学学报 42 855]
[12] Yang L J, Li Z Y, Li H, Li J Y 2006 China Patent 1 0013407.3
[13] Pincus S M 1995 Chaos 5 10
[14] Huang J K, Shi Y, Nie J, Fan D 2010 Trans. China. Weld. Inst. 31 101 (in Chinese) [黄健康、石 玗、聂 晶、樊 丁 2010 焊接学报 31 101]
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[1] Zuo D G, Li F, Hua X M, Wu Y X 2007 Electr. Weld. Mach. 37 1 (in Chinese) [左敦桂、李 芳、华学明、吴毅雄 2007 电焊机 37 1]
[2] Yang L J, Li Z Y, Li H, Li J Y 2009 Trans. China Weld. Inst. 30 17 (in Chinese) [杨立军、李志勇、李 桓、李俊岳 2009 焊接学报 30 17]
[3] Yi Z P, Xue J X 2002 J. S. China Univ. Technol. (Nat.& Sci.) 30 23 (in Chinese) [易志平、薛家祥 2002 华南理工学报 30 23]
[4] Wu F S, Lu Z L, Liu Z F, Li Z Y, Jiang Y Q 2004 China Mech. Eng. 15 621 (in Chinese) [吴丰顺、鲁中良、刘志福、李志远、姜幼卿 2004 中国机械工程 15 621]
[5] Wang Y, Wang B 2008 Chin. J. Mech. Eng. 43 50 (in Chinese) [王 勇、王 宝 2008 机械工程学报 43 50]
[6] Quan W L 2004 Mech. Eng. Autom. 21 10 (in Chinese) [权旺林 2004 机械工程与自动化 21 10]
[7] Huang L Y, Wang Y M, Liu J P, Wang J 2004 Proceedings of the 26th Annual International Conference of the IEEE EMBS, San Francisco, USA September 1—5, 2004 4537
[8] Wang Q G, Zhang Z P 2008 Acta Phys. Sin. 57 1976 (in Chinese) [王启光、张增平 2008 物理学报 57 1976]
[9] Li Q, Wang T Y, Leng Y G, He G Y, He H L 2007 Acta Phys. Sin. 56 6803 (in Chinese) [李 强、王太勇、冷永刚、何改云、何慧龙 2007 物理学报 56 6803]
[10] Cao B, Lü X Q, Zeng M, Wang Z M, Huang S S 2006 Acta Phys. Sin. 55 1696 (in Chinese) [曹 彪、吕小青、曾 敏、王振民、黄石生 2006 物理学报 55 1696]
[11] Xu F R, Yang L J, Li H, Ma C 2009 J. Tianjin Univ. 42 855 (in Chinese) [许芙蓉、杨立军、李 桓、马 闯 2009 天津大学学报 42 855]
[12] Yang L J, Li Z Y, Li H, Li J Y 2006 China Patent 1 0013407.3
[13] Pincus S M 1995 Chaos 5 10
[14] Huang J K, Shi Y, Nie J, Fan D 2010 Trans. China. Weld. Inst. 31 101 (in Chinese) [黄健康、石 玗、聂 晶、樊 丁 2010 焊接学报 31 101]
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