(54) MOBILE ROBOT, AND SYSTEM AND
METHOD FOR AUTONOMOUS NAVIGATION
OF THE SAME
(75) Inventors: Dong-ryeol Park, Gyeonggi-do (KR);
Seok-won Bang, Gangnam-gu (KR)
(73) Assignee: Samsung Electronics Co., Ltd.,
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 1029 days.
(21) Appl.No.: 10/753,403
(22) Filed: Jan. 9, 2004
(65) Prior Publication Data
US 2004/0202351 Al Oct. 14, 2004
(30) Foreign Application Priority Data
Jan. 11,2003 (KR) 10-2003-0001828
(51) Int. CI.
(52) U.S. CI 700/245; 700/251; 700/259;
701/25; 701/207; 701/223; 701/225; 701/300
(58) Field of Classification Search 701/207,
701/223, 225, 300, 208, 25; 700/245, 251,
See application file for complete search history. (56) References Cited
U.S. PATENT DOCUMENTS
Disclosed herein is a mobile robot, and system and method for autonomous navigation of the same. The mobile robot includes a communications module for transmitting a light source control signal to selectively control light sources of a landmark array to flicker, an image processing module for calculating image coordinates of the light sources from an image signal, a pose calculation module for calculating position coordinates of the mobile robot, a motion control module for calculating a moving path and controlling the mobile robot to move along the moving path, and a main control module for controlling interoperations of the modules and general operations of the mobile robot.
20 Claims, 6 Drawing Sheets