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학술대회자료

시각센서를 이용한 용접 Gap/Profile 모니터링

Monitoring the Welding Gap/Profile with Visual Sensor

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  The robot systems are widely used in the welding manufacturing. The essential tasks to operate the welding robot are the acquisition of the position and/or shape of the parent metal. For the seam tracking or the robot automation, many kinds of contact and non-contact sensors are used. Recently, the visual sensor is most popular. In this paper, the development of the system which monitors the shape of the welding part is described. This system uses the line-type structured laser diode and the visual sensor. It includes the correction of radial distortion which is often found in the image from the camera with short focal length. Direct Linear Transformation (DLT) is used for the camera calibration. The three dimensional shape of the parent metal is obtained after simple linear transformation. Therefore, the system operates in real time. Some experiments are carried out to evaluate the performance of the developed system.

Abstract<BR>Ⅰ. 서론<BR>Ⅱ. 시각센서 시스템<BR>Ⅲ. 비전처리 알고리즘<BR>Ⅳ. 실험결과<BR>Ⅴ. 결론<BR>Ⅵ. 참고문헌<BR>

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