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For an education purpose between an education robot and user, the robot needs to identify the location of the user and follow the user when the user stays or moves. In this work, a distance measurement scheme between a robot and user using ultrasound sensors and RF modules is introduced. Also, algorithms following the moving user with certain distance are addressed and those applications to the developed...
Localization and mapping is important in autonomous navigation of mobile robot. In this paper, we deal with localization using 2D laser range finder and IR positioning sensor. 2D grid map is built in local coordinate using data from laser range finder. And it is integrated into global coordinate using information from IR landmark. It can provide consistent global map that can be used in the autonomous...
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