Abstract
This study develops an intelligent mark and its recognition system. Robots need information about surroundings or objects in order to move effectively. Intelligent marks can send the information such as object category, relative object position, and so on by an infrared ray communication. Robots get the data of an object by the recognition system. The recognition system also get relative position data of an object by calculating the difference of reaching time between infrared rays and ultrasonic waves from the intelligent marks. This study evaluates experimentally the communication range and the accuracy of relative position measurements to confirm the applicability of the intelligent mark and its recognition system.
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