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An Optimal Image Processing Method for Simultaneous Detection of Weld Seam Position and Weld Gap in Robotic Arc Welding

Amruta Rout, Deepak BBVL, Bibhuti Bhusan Biswal, Golak Bihari Mahanta, Bala Murali Gunji
2018 International Journal of Manufacturing, Materials, and Mechanical Engineering  

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For robot path planning the weld seam positions need to be known in advance as the industrial robotgenerallyworkinteachandplaybackmode.Inthispaper,avisionsensorhasbeenutilizedfor automationofroboticweldingpathplanning.Aseamtrackingalgorithmhasbeenproposedforabutt typeofweldjointwithvaryingweldgapforeffectivemeasurementofweldpathpositionsandweld gapsimultaneously.Forthisfirstanimageacquisitionalgorithmtechniquehasbeenproposedfor
more » ... stonepattern matching algorithm for tracking of weld seam path is performed. Then different edge detection techniques have been applied to find the most efficient edge detection method for obtaining the characteristicsofweldseamedge.Thenbestedgefittingmethodhasbeenappliedtofittheedges alongtheweldseamedgeandthepixelvaluesontheedgesweremeasured.Theweldgapandthe midpointbetweenedgespointsaremeasuredsimultaneouslybyvisionassistanttoolboxinLabVIEW softwarebackground.
doi:10.4018/ijmmme.2018010103 fatcat:aix6z633vratxdsbt5poxlzfte
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Amruta Rout, Deepak BBVL, Bibhuti Bhusan Biswal, Golak Bihari Mahanta, Bala Murali Gunji. "An Optimal Image Processing Method for Simultaneous Detection of Weld Seam Position and Weld Gap in Robotic Arc Welding." International Journal of Manufacturing, Materials, and Mechanical Engineering 8.1 (2018) 37-53