Toshiba Lifestyle Products & Services Corporation

Toshihiro Kayama

Yutaka Ueda

An autonomous travelerincludes an information acquisition part, a map storage partand a travel control part. The information acquisition partacquires information on a traveling area. The map storage partcreates and stores a base map, by determining the traveling area on the basis of the information acquired by the information acquisition partat a predetermined timing. The travel control partcontrols traveling on the basis of a map stored in the map storage part. The travel control partcontrols the traveling on the basis of the base map, even when a traveling obstacle stored in the base map is removed.

Autonomous traveler and travel control method i'hereof

Provided herein a vacuum cleaner capable of effectively escaping from a situation where driving wheels are in an idling state. The vacuum cleaner includes a main casing, driving wheels, a control unit and an idling detection part. The driving wheels enable the main casing to travel. The control unit controls the driving of the driving wheels to make the main casing autonomously travel. The idling detection part detects that the driving wheels are in an idling state. In the case where the idling detection part detects that the driving wheels are in an idling state, the control unit controls the operation of the driving wheels so as to, after the operation to make the main casing retreat by a certain distance, repeat consecutively for a plurality of times the operation to make the main casing turn in a specified one direction and advance by a specified distance.

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Takatsu, Japan

Toshihiro Kayama