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http://dx.doi.org/10.5302/J.ICROS.2007.13.7.664

Image-based Visual Servoing for Automatic Recharging of Mobile Robot  

Song, Ho-Bum (동양공업전문대학 전기전자통신공학부)
Cho, Jae-Seung (동양공업전문대학 전기전자통신공학부)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.13, no.7, 2007 , pp. 664-670 More about this Journal
Abstract
This study deals with image-based visual servoing for automatic recharging of mobile robot. Because mobile robot must be recharged periodically, it is necessary to detect and move to docking station. Generally, laser scanner is used for detect of position of docking station. CCD Camera is also used for this purpose. In case of using cameras, the position-based visual servoing method is widely used. But position-based visual servoing method requires the accurate calibration and it is hard and complex work. Another method using cameras is image-based visual servoing. Recently, image based visual servoing is widely used for robotic application. But it has a problem that cannot have linear trajectory in the 3-dimensional space. Because of this weak point, image-based visual servoing has a limit for real application. In case of 2-dimensional movement on the plane, it has also similar problem. In order to solve this problem, we point out the main reason of the problem of the resolved rate control method that has been generally used in the image-based visual servoing and we propose an image-based visual servoing method that can reduce the curved trajectory of mobile robot in the cartesian space.
Keywords
image-based visual servoing; mobile robot; recharging; image plane;
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