The present invention is not possible to move content to improve clarity and high screen generated by the projector and the camera''s field of view relates to a robot configuration method, specifically, not position information recognition method of the mobile robot and the detection method to be projected onto the screen wall, to a method of forming a projection method for fitting a screen focus to the wall. To this end, the present invention is traveling along a moving path of the robot is to move through the magnetic field through the magnetic field sensor position guide, the position of the display work 600 to guide RFID 310 is attached to the center of the movement of the robot RFID reader 300 starts the guidance when the content to be detected. The camera 500 and the image processor 510 detects the wall 420 to be projected and by using a projection using the distance sensor 900 with a distance measurement between the wall 420 and the projector 400 is suitable The height adjustment by the height adjusting device (800) to detect the height, using a pan-tilt 430 to adjust the appropriate viewing angle and sharpness proposes a system based on how a user can receive information in an optimized screen.
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