| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric vacuum cleaner capable of autonomously moving while always confirming its own location information, and of cleaning a floor surface in a room to be cleaned, with a simple constitution.SOLUTION: A light receiving section 120 acquires identification numbers of a plurality of LED illumination devices 200 which are installed at prescribed positions in a room 300 and output a visible light signal, from the plurality of LED illumination devices 200. A MAP management section 130 retains layout information of the room 300 as well as each of the identification numbers of the plurality of LED illumination devices 200 and each of installment position information of the plurality of LED illumination devices 200 in association with each other. A position information acquisition section 161 acquires position information of a cleaner main body 110 on the basis of the identification number acquired by the light receiving section 120, the layout information of the room 300 and the installment position information of the LED illumination devices 200. A motion control section 162 determines a movement route of the cleaner main body 110 on the basis of the position information acquired by the position information acquisition section 161. |
