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SHI Yu, FAN Ding, WU Wei. Morphology processing image of aluminum alloy metal inert gas welding pool[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (3): 37-40.
Citation: SHI Yu, FAN Ding, WU Wei. Morphology processing image of aluminum alloy metal inert gas welding pool[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2005, (3): 37-40.
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Morphology processing image of aluminum alloy metal inert gas welding pool

  • 1.

    State Key Lab of Advanced Non ferrous Materials, Lanzhou University of Technology, Gansu Province, Lanzhou 730050, China;Education Ministry Key Lab, of Advanced Processing Technology for Non ferrou Materials, Lanzhou 730050, China

  • 2.

    State Key Lab of Advanced Non ferrous Materials, Lanzhou University of Technology, Gansu Province, Lanzhou 730050, China

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  • Received Date: April 25, 2004
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    • Abstract
  • Weld pool geometry is a crucial factor in determining welding quality and its feedback control is a fundamental requirement of automated welding.Therefore,a vision sensing system for taking and processing the image of metal inert gas(MIG) welding pool of aluminum alloy is developed.Clear images of the MIG welding pool are obtained by using the technology of narrow band filter,which is used to overcome the influence of strong arc light.Meanwhile,the aluminum alloy characteristic of the MIG welding pool is analyzed.In order to overcome the disadvantages of traditional welding pool image processing method,the morphological operators is used to process the aluminum alloy MIG welding pool.The method can effectively wipe off noise and 'cathode pulverization' area in image.Experiments show that the method is effective and feasible,and it can provide reliable information for the real time control of aluminum alloy MIG welding process.
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