A system for directing a moving object, comprising: a charging device on which a docking direction pattern is printed, such that a central point of the docking direction pattern for directing the moving object to a docking location and a power-supply terminal are arranged in a straight line; and the moving object for driving wheel operations to allow the central point of the docking direction pattern captured by a camera to be identical with a central point of an image captured by the camera, and moving to the docking location, the moving object including: a camera for capturing an image of the docking direction pattern; a docking direction pattern extractor for extracting the docking direction pattern and its central point from the captured image; a distance-information calculator for calculating distance information from a current location to the docking location according to a ratio of the number of pixels of the extracted docking direction pattern to the number of pixels of the docking direction pattern captured at a reference location, using predetermined pixels ranging from the central point of the docking direction pattern to the edge of the docking direction pattern; an offset-information calculator for calculating a central point of the extracted docking direction pattern, a central point contained in the captured image, and the distance information of the distance to the docking location, and calculating moving-object offset information from the docking location; and a wheel drive for driving wheel operations of the moving object according to the offset information and the distance information. a charging device on which a docking direction pattern is printed, such that a central point of the docking direction pattern for directing the moving object to a docking location and a power-supply terminal are arranged in a straight line; and the moving object for driving wheel operations to allow the central point of the docking direction pattern captured by a camera to be identical with a central point of an image captured by the camera, and moving to the docking location, the moving object including: a camera for capturing an image of the docking direction pattern; a docking direction pattern extractor for extracting the docking direction pattern and its central point from the captured image; a distance-information calculator for calculating distance information from a current location to the docking location according to a ratio of the number of pixels of the extracted docking direction pattern to the number of pixels of the docking direction pattern captured at a reference location, using predetermined pixels ranging from the central point of the docking direction pattern to the edge of the docking direction pattern; an offset-information calculator for calculating a central point of the extracted docking direction pattern, a central point contained in the captured image, and the distance information of the distance to the docking location, and calculating moving-object offset information from the docking location; and a wheel drive for driving wheel operations of the moving object according to the offset information and the distance information. a camera for capturing an image of the docking direction pattern; a docking direction pattern extractor for extracting the docking direction pattern and its central point from the captured image; a distance-information calculator for calculating distance information from a current location to the docking location according to a ratio of the number of pixels of the extracted docking direction pattern to the number of pixels of the docking direction pattern captured at a reference location, using predetermined pixels ranging from the central point of the docking direction pattern to the edge of the docking direction pattern; an offset-information calculator for calculating a central point of the extracted docking direction pattern, a central point contained in the captured image, and the distance information of the distance to the docking location, and calculating moving-object offset information from the docking location; and a wheel drive for driving wheel operations of the moving object according to the offset information and the distance information.