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1330results about "Automatic obstacle detection" patented technology

Autonomous Floor Cleaning Robot

An autonomous floor-cleaning robot comprising a housing infrastructure including a chassis, a power subsystem; for providing the energy to power the autonomous floor-cleaning robot, a motive subsystem operative to propel the autonomous floor-cleaning robot for cleaning operations, a command and control subsystem operative to control the autonomous floor-cleaning robot to effect cleaning operations, and a self-adjusting cleaning head subsystem that includes a deck mounted in pivotal combination with the chassis, a brush assembly mounted in combination with the deck and powered by the motive subsystem to sweep up particulates during cleaning operations, a vacuum assembly disposed in combination with the deck and powered by the motive subsystem to ingest particulates during cleaning operations, and a deck adjusting subassembly mounted in combination with the motive subsystem for the brush assembly, the deck, and the chassis that is automatically operative in response to an increase in brush torque in said brush assembly to pivot the deck with respect to said chassis. The autonomous floor-cleaning robot also includes a side brush assembly mounted in combination with the chassis and powered by the motive subsystem to entrain particulates outside the periphery of the housing infrastructure and to direct such particulates towards the self-adjusting cleaning head subsystem.

Robot cleaner, system employing the same and method for re-connecting to external recharging device

A robot cleaner capable of returning to an external recharging device. The robot cleaner includes a driving portion for driving a plurality of wheels, at least one camera installed on a body of the robot cleaner, the camera for photographing external surroundings, and a controller for photographing an image through a camera for recognition of a connection position where the external recharging device is connected with the robot cleaner and stores the photographed image, and controls the driving portion so that the robot cleaner can move from the external recharging device to a destination when an operation start signal is received in the robot cleaner connected to the external recharging device, and for tracing a path to the connection position of the external recharging device and the robot cleaner during a robot cleaner's return to the external recharging device while comparing a current image currently taken by the camera with a stored image of the connection position of the robot cleaner and the external recharging device. Returning of the robot cleaner is carried out when the robot cleaner, separated from the external recharging device, completes its job or needs a recharging, by using the previously stored image and an image currently taken by the camera. Accordingly, an error in the location process, mainly caused due to external interference signals, is decreased, and errors in tracing a path and connecting to the external recharging device can also be decreased.

Navigational control system for a robotic device

A navigational control system for altering movement activity of a robotic device operating in a defined working area, comprising a transmitting subsystem integrated in combination with the robotic device, the transmitting subsystem comprising means for emitting a number of directed beams, each directed beam having a predetermined emission pattern, and a receiving subsystem functioning as a base station that includes a navigation control algorithm that defines a predetermined triggering event for the navigational control system and a set of detection units positioned within the defined working area in a known spaced-apart relationship, the set of detection units being configured and operative to detect one or more of the directed beams emitted by the transmitting system; and wherein the receiving subsystem is configured and operative to process the one or more detected directed beams under the control of the navigational control algorithm to determine whether the predetermined triggering event has occurred, and, if the predetermined triggering event has occurred transmit a control signal to the robotic device, wherein reception of the control signal by the robotic device causes the robotic device to implement a prescribed conduct that alters the movement activity of the robotic device.
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