Patent attributes
Included is a method for a mobile automated device to detect and avoid edges including: providing one or more rangefinder sensors on the mobile automated device to calculate, continuously or periodically, distances from the one or more rangefinder sensor to a surface; monitoring, with a processor of the mobile automated device, the distances calculated by each of the one or more rangefinder sensors; and actuating, with the processor of the mobile automated device, the mobile automated device to execute one or more predetermined movement patterns upon the processor detecting a calculated distance greater than a predetermined amount, wherein the one or more movement patterns initiate movement of the mobile automated device away from the area where the increase was detected.