This invention describes a robot on wheels, powered by a battery, that uses sensors to gather information about its surroundings and its own movement. With this data, the robot creates and updates a map of its environment and plans its own path. A specific method for the robot to determine its current location involves simulating its position at various points and comparing those simulations to what its sensors detect.
Why it matters: Filed before the current generation of more affordable and powerful embedded processors became standard. This makes the computationally intensive mapping and localization algorithms described in the claims more practical for a wider range of applications.
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