Patent ID: 8594860
Filing Date: 2013-11-26
Classification: G05D

Abstract:
1. An apparatus for relocating a robot, the apparatus comprising: a particle generating unit configured to generate a plurality of particles and arrange the plurality of particles on a map; a first distance obtaining unit configured to obtain a first distance according to respective distances between each particle of the plurality of particles and a wireless communication apparatus performing wireless communication with the robot, the respective distances being based on a position of the wireless communication apparatus and respective positions of each particle on the map; a second distance obtaining unit configured to obtain a second distance according to a determined distance between the wireless communication apparatus and the robot, the determined distance being based on a strength measure of an electromagnetic signal received by the robot from the wireless communication apparatus or based on an arrival time or time of flight of the electromagnetic signal; and a position estimating unit configured to estimate a position of the robot by use of the first distance and the second distance.