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BAO Ailian, GENG Zheng, LIU Wanhui. Analysis of stability in droplet transfer process of GMAW based on self-correlation[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (1): 77-80.
Citation: BAO Ailian, GENG Zheng, LIU Wanhui. Analysis of stability in droplet transfer process of GMAW based on self-correlation[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2008, (1): 77-80.
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Analysis of stability in droplet transfer process of GMAW based on self-correlation

  • 1.

    School of Materials Science and Engineering, Heilongjiang Institute of Science and Technology, Harbin 150027, China

  • 2.

    National Key Laboratory of Advanced Welding Production & Technology, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: April 23, 2007
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    • Abstract
  • Self-correlation analysis is an important analyzing method in signal analysis and processing.Some welding parameters attribute values, such as current, voltage etc, were acquisited in GMAW (gas metal arc welding)process.The stability of droplet transfer process in GMAW and welding parameter were studied.Using time domain self-correlation character principle in digital signal analysis and processing, periodic property of welding current and voltage were identified.Through the acquired signal time domain periodic property, the stability of droplet transfer process in GMAW can be visually reflected
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