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Displacement measurement of floating model using PhotoModeler scanner program
Trieu, Thi-Hang,Han, Dongyeob 대한토목학회 2013 대한토목학회 학술대회 Vol.2013 No.10
Displacement measurement is particularly important in investigating and designing of floating architecture structures. In this paper, a methodology using close-range photogrammetry was conducted to determine the displacement of floating model. For this purpose, there has been a special focus on the application of PhotoModeler scanner program in tracking a 2D floating model carried out at the harbor experiment central in Chonnam national university. The observed results of floating model can be easily obtained by the proposed method. This study indicated that the close-range photogrammetry is an efficient method in floating structure and further purposes in general construction.
Ultrasonic satellite system for tracking the moving object
Trieu, Thi-Hang,Han, Dongyeob 대한토목학회 2013 대한토목학회 학술대회 Vol.2013 No.10
The application field of Ultrasonic satellite system (U-SAT) has extended in many recent years. An investigation of Ultrasonic satellite system for tracking the moving object is presented in this study. By using the indoor position system, USAT, including four ultrasonic transmitters and one ultrasonic receiver, a significant impact of moving velocity on accuracy of tracking object position is reported. In addition, the experimental results show a directly proportional between the position error and the moving speed.