Mobile robot and system and method of compensating for path diversions

A mobile robot measures a rotation angle using information from an image photographed by a vision camera. A mobile robot system comprises a main body of the robot, a driving part for driving a plurality of wheels; a vision camera mounted on a main body thereof to photograph an upper image which is p...

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1. Verfasser:	LEE JU-SANG,KO JANG-YOUN,SONG JEONG-GON,LIM KWANG-SOO,KIM KI-MAN,JEUNG SAM-JONG
Format:	Patent
Sprache:	eng
Schlagworte:	CHAMBERS PROVIDED WITH MANIPULATION DEVICES COFFEE MILLS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS FURNITURE HAND TOOLS HUMAN NECESSITIES MANIPULATORS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS REGULATING SPICE MILLS SUCTION CLEANERS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING
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creator	LEE JU-SANG,KO JANG-YOUN,SONG JEONG-GON,LIM KWANG-SOO,KIM KI-MAN,JEUNG SAM-JONG
description	A mobile robot measures a rotation angle using information from an image photographed by a vision camera. A mobile robot system comprises a main body of the robot, a driving part for driving a plurality of wheels; a vision camera mounted on a main body thereof to photograph an upper image which is perpendicular to a traveling direction; and a controller for calculating a rotation angle using polar-mapping image data obtained by polar-mapping a ceiling image, photographed by the vision camera, with respect to a ceiling of a working area. The controller drives the driving part using a calculated rotation angle. The rotation angle is measured by the vision cameras and the rotation angle can be used to compensate the working path, without having to provide expensive devices such as an accelerometer or a gyroscope, thereby saving manufacturing cost.
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A mobile robot system comprises a main body of the robot, a driving part for driving a plurality of wheels; a vision camera mounted on a main body thereof to photograph an upper image which is perpendicular to a traveling direction; and a controller for calculating a rotation angle using polar-mapping image data obtained by polar-mapping a ceiling image, photographed by the vision camera, with respect to a ceiling of a working area. The controller drives the driving part using a calculated rotation angle. 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subjects	CHAMBERS PROVIDED WITH MANIPULATION DEVICES COFFEE MILLS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING DOMESTIC ARTICLES OR APPLIANCES DOMESTIC WASHING OR CLEANING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS FURNITURE HAND TOOLS HUMAN NECESSITIES MANIPULATORS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PERFORMING OPERATIONS PHYSICS PORTABLE POWER-DRIVEN TOOLS REGULATING SPICE MILLS SUCTION CLEANERS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TRANSPORTING
title	Mobile robot and system and method of compensating for path diversions
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