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안병원,김현수,박영산,박중순,노영오,배철오 木浦海洋大學校 2001 論文集 Vol.9 No.1
There are many different cards and keys that are used. But the functions or companies are different, so there are many inconvenience to carry and use. Nowadays, It is need to unite of many card functions in one card. Many companies are using card key for access offices instead of key and office going system. So, In this paper, We developed hardware and software that could do many function as one card. We trying to unite the functions of key and card into one card. In this system, it is used by individual credit card. We have no doubt the usefulness of this system for building and offices security system and office going system, etc.
안병원,배철오,박영산,박중순,김수겸,김현수 木浦海洋大學校 2001 論文集 Vol.9 No.1
To achieve good welding results in various welding application, seam tracking technology is essential. In this thesis, seam tracking algorithm using cartesian coordinate welding robots are investigated and discussed. Many types of seam tracking methods are used in industrial field usually. Especially, vision system using CCD camera and laser diode are used to track the seam. A structured laser diode's light is introduced on the weld groove and the reflected light image is captured by CCD camera. The captured image is transformed into 8 bit pixel data. The seam tracking algorithm is developed by processing the 8 bit pixel data.