Development of an auto-welding system for CRD nozzle repair welds using a 3D laser vision sensor

Park, K.; Kim, Y.; Byeon, Jin Gwi; Sung, K.; Yeom, C.; Rhee, Sehun

doi:10.1007/bf03177400

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“…At present, the ultrasonic detection has become an important means and method in inspection of welding quality. Along with the development of image processing technology and the widely used [3][4] [5], the application of image processing technology has become a new trend and development direction in ultrasonic welding inspection.organization of the text…”

Section: Introductionmentioning

confidence: 99%

Application of Image Processing Technology in Welds Ultrasonic Testing

Zhu

Wang

2013

AMM

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In order to ensure the real-time tracking of weld ultrasonic testing, applied CCD weld image sensor image, through image processing technology, used homomorphic filtering, two value methods to pre-process the image acquisition, extracted image feature information used region growing and linear regression method, and thus determined the edge weld, after A/D conversion, got feedback of the voltage signal position deviation amount, controlled servo motor drive the bracket to move, ensured effective tracking ultrasonic tester. Through simulation, verified the accuracy and feasibility of the image processing algorithm,which got ideal effectused in the practical application.

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Section: Introductionmentioning

confidence: 99%