Abstract: Disclosed is a cleaning robot including: a driving unit configured to move the cleaning robot; an obstacle sensor configured to sense an obstacle; and a controller configured to reduce, if a distance between the cleaning robot and the obstacle is shorter than or equal to a reference distance, a driving speed of the cleaning robot so that the driving speed of the cleaning robot is lower than a shock absorbing speed when the cleaning robot contacts the obstacle.

Abstract: A flame retardant insulation module that includes an air layer-forming part including a first air layer-forming part and a second air layer-forming part disposed below the first air layer-forming part, which are disposed so that at least a portion of one does not overlap with a portion of the other; a lower end cover part that covers the lower end of the second air layer-forming part to separate the lower end from an external space; and an intermediate separation part for separating a first air layer and a second air layer. As such, heat insulation performance can be maximized, such that the insulation module has flame retardancy even when a fire occurs.

Abstract: Disclosed is a cleaning robot including: a driving unit configured to move the cleaning robot; an obstacle sensor configured to sense an obstacle; and a controller configured to reduce, if a distance between the cleaning robot and the obstacle is shorter than or equal to a reference distance, a driving speed of the cleaning robot so that the driving speed of the cleaning robot is lower than a shock absorbing speed when the cleaning robot contacts the obstacle.

Abstract: Disclosed is a cleaning robot including: a driving unit configured to move the cleaning robot; an obstacle sensor configured to sense an obstacle; and a controller configured to reduce, if a distance between the cleaning robot and the obstacle is shorter than or equal to a reference distance, a driving speed of the cleaning robot so that the driving speed of the cleaning robot is lower than a shock absorbing speed when the cleaning robot contacts the obstacle.

Abstract: Insulating materials which reduce heat loss are provided. The insulating materials include an air layer forming portion which forms a plurality of air layers, a lower cover portion which covers a lower side of the air layer forming portion, and an upper cover portion which covers an upper side of the air layer forming portion. Here, the lower cover portion and the upper cover portion insulate the air layers from the outside.

Abstract: A cleaning robot and a control method thereof include a main body traveling on a floor, and a first sub-cleaning tool and a second sub-cleaning tool mounted at left and right sides of the main body so as to be protruded from the inside to the outside of the main body and selectively performing cleaning Insertion of at least one of the first sub-cleaning tool and the second sub-cleaning tool is controlled when the main body is rotated under the condition that an obstacle is detected. Side brushes of the sub-cleaning tools are inserted into the main body according to the rotation direction of the main body when the main body is rotated during traveling, thus preventing collision with the obstacle.

Abstract: A robot cleaner includes a main body traveling along a floor surface and removing foreign substances in a cleaning travel mode, a sensor unit sensing obstacles around the main body, brush units sweeping foreign substances on a floor surface through rotation, and a controller reducing the traveling velocity of the main body and causing the main body to approach a front obstacle, if an area where a plurality of obstacles contacts each other is sensed by the sensor unit.

Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.

Abstract: Disclosed is a cleaning robot including: a driving unit configured to move the cleaning robot; an obstacle sensor configured to sense an obstacle; and a controller configured to reduce, if a distance between the cleaning robot and the obstacle is shorter than or equal to a reference distance, a driving speed of the cleaning robot so that the driving speed of the cleaning robot is lower than a shock absorbing speed when the cleaning robot contacts the obstacle.

Abstract: A robot cleaner and a method for controlling the same are disclosed. The robot cleaner includes: a main body; one or more infrared ray (IR) sensors configured to receive IR signals from a transmission device in various directions; a drive motor configured to move the main body toward the transmission device upon receiving a control signal from a controller; and a controller configured to remove reflected waves from among the plurality of IR signals by generating a transmission device direction estimation value, and control driving of the main body using the drive motor on the basis of the transmission device direction estimation value.

Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.

Abstract: A robot cleaner is provided. The robot cleaner includes a main body forming an exterior; a floor detection sensor for detecting a distance from the main body to a floor surface; a tilt sensor for detecting inclination of the main body; and a controller for determining whether there is a protruding part that protrudes from a floor surface in a running path of the main body, based on a first sensor value output by the floor detection sensor and a second sensor value output by the tilt sensor. In accordance with embodiments of the present disclosure, a robot cleaner may properly move around and perform vacuuming by taking into account conditions of a floor surface. It may also smoothly climb over a doorsill and dynamically change its running pattern based on the presence/absence and position of an obstacle in climbing the doorsill.

Abstract: A side brush assembly including a side arm capable of being exposed outside a main body and returning inside the main body and a side brush unit mounted to the side arm, a robot cleaner and a control method of the robot cleaner is provided. The robot cleaner includes a main body and at least one side brush assembly to increase a dust-removing area. The side brush assembly includes a side brush body, a side arm mounted to a bottom surface of the side brush body and configured to be exposed outside the main body, a side brush unit rotatably mounted to the side arm, a lever configured to rotate together with the side arm, a cam configured to rotate by receiving driving force from a driving motor, and an elastic member connecting the lever and the cam to rotate the lever by elastic force thereof.

Abstract: A control method of a robot cleaner for traveling to clean includes checking information about a predetermined traveling pattern; determining a traveling trajectory based on a traveling speed; generating a traveling pattern based on the determined traveling trajectory and the information about the predetermined traveling pattern, wherein the traveling pattern includes a first straight path, a first rotation path connected to the first straight path and for rotation in a first direction, a second straight path connected to the first rotation path, and a second rotation path connected to the second straight path and for rotation in a second direction; and repeatedly traveling along the generated traveling pattern at regular intervals. Therefore, since the robot cleaner performs cleaning without scattering dust, the efficiency of cleaning may be improved.

Abstract: A robot cleaner is provided. The robot cleaner includes a main body forming an exterior; a floor detection sensor for detecting a distance from the main body to a floor surface; a tilt sensor for detecting inclination of the main body; and a controller for determining whether there is a protruding part that protrudes from a floor surface in a running path of the main body, based on a first sensor value output by the floor detection sensor and a second sensor value output by the tilt sensor. In accordance with embodiments of the present disclosure, a robot cleaner may properly move around and perform vacuuming by taking into account conditions of a floor surface. It may also smoothly climb over a doorsill and dynamically change its running pattern based on the presence/absence and position of an obstacle in climbing the doorsill.

Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.

Abstract: A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area.

Abstract: Disclosed is a mobile robot system having a plurality of exchangeable work modules, thereby providing a mobile robot capable of performing various functions at a low cost. The mobile robot system comprises a plurality of work modules, which perform different works, respectively; a module station for connecting the plurality of work modules; and a mobile robot, which selects and connects to one of the plurality of work modules from the module station according to a work task to be performed. The mobile robot autonomously operates to perform the work task.

Abstract: A robot cleaner includes a main body traveling along a floor surface and removing foreign substances in a cleaning travel mode, a sensor unit sensing obstacles around the main body, brush units sweeping foreign substances on a floor surface through rotation, and a controller reducing the traveling velocity of the main body and causing the main body to approach a front obstacle, if an area where a plurality of obstacles contacts each other is sensed by the sensor unit.

Abstract: A cleaning robot and a control method thereof include a main body traveling on a floor, and a first sub-cleaning tool and a second sub-cleaning tool mounted at left and right sides of the main body so as to be protruded from the inside to the outside of the main body and selectively performing cleaning Insertion of at least one of the first sub-cleaning tool and the second sub-cleaning tool is controlled when the main body is rotated under the condition that an obstacle is detected. Side brushes of the sub-cleaning tools are inserted into the main body according to the rotation direction of the main body when the main body is rotated during traveling, thus preventing collision with the obstacle.