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公开(公告)号：US11266067B2
公开(公告)日：2022-03-08
申请号：US16526260
申请日：2019-07-30
Applicant: LG Electronics Inc.
Inventor： Kyoungsuk Ko , Koh Choi , Sungwook Lee , Hyungsub Lee
Abstract: The present disclosure relates to a moving robot, a control method thereof, and a moving robot system. A moving robot according to the present disclosure includes a main body, a traveling unit configured to move the main body, a communication unit configured to communicate with a terminal and a location information transmitter, and a control unit configured to set a travel area using location information based on a signal received from the location information transmitter. The control unit is configured to recognize a location of the terminal. When location information regarding a target point within the boundary, pointed by the terminal at the recognized location, is received, the control unit is configured to store the location information. Also, the control unit is configured to control a traveling unit to move in the travel area while avoiding a predetermined area comprising coordinates matching the stored location information.
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公开(公告)号：US11989017B2
公开(公告)日：2024-05-21
申请号：US17266481
申请日：2019-08-05
Applicant: LG Electronics Inc.
Inventor： Kyoungsuk Ko , Byungjin Kim , Sungwook Lee , Hyungsub Lee , Koh Choi
CPC classification number: G05D1/0022 , B60L53/36 , B60L53/66 , G05D1/0016 , G05D1/0088 , G05D1/0214 , G05D1/0219 , G05D1/0225 , G05D1/028 , G05D1/0295 , H01Q1/27 , H01Q3/22 , A01D34/008 , A01D2101/00 , B60L2260/32 , G01S5/0284
Abstract: The present disclosure relates to a station apparatus, including an Ultra-wideband (UWB) module to receive a first UWB signal transmitted by a moving robot, and a control unit to calculate a reception angle of the first UWB signal upon the reception of the first UWB signal, and control the UWB module to transmit a second UWB signal, including a direction value determined based on the reception angle, to the moving robot for return of the moving robot.
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公开(公告)号：US11960278B2
公开(公告)日：2024-04-16
申请号：US17265761
申请日：2019-07-16
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsuk Ko , Sungwook Lee , Hyungsub Lee , Koh Choi
CPC classification number: G05D1/0022 , B60L53/36 , B60L53/66 , G05D1/0016 , G05D1/0088 , G05D1/0214 , G05D1/0219 , G05D1/0225 , G05D1/028 , G05D1/0295 , H01Q1/27 , H01Q3/22 , A01D34/008 , A01D2101/00 , B60L2260/32 , G01S5/0284 , G05D2201/0208
Abstract: A moving robot and a controlling method thereof are disclosed. A moving robot according to the present disclosure includes a traveling unit to move a main body, a communication unit to communicate with a location information transmitter for transmitting signals within an area, and a control unit to set a virtual boundary with respect to a location calculated based the signals, and to control the traveling unit to move the main body without departing from the boundary. The communication unit includes first and antennas provided at respective transceivers that transceive signals with the location information transmitter, and the first and second antennas have an adjustable distance. When signals are received through the first and second antennas, the control unit determines a relative location of the location information transmitter based on a current location of the main body using a frequency corresponding to the distance between the first and second antennas.
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公开(公告)号：US11740625B2
公开(公告)日：2023-08-29
申请号：US17574721
申请日：2022-01-13
Applicant: LG Electronics Inc.
Inventor： Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
CPC classification number: G05D1/0027 , A47L11/4069 , B25J11/0085 , G01S13/0209 , G05D1/0022 , G05D1/0219 , G05D1/0295 , A47L2201/04 , F24F8/80 , G05D2201/0215
Abstract: The present disclosure relates to a plurality of autonomous mobile robots. A plurality of autonomous mobile robots comprise a first mobile robot including an antenna configured to transmit and receive signals, and a second mobile robot including a first antenna and a second antenna disposed on a front area of a main body thereof to transmit and receive signals to and from the antenna of the first mobile robot. The second mobile robot comprises a control unit configured to determine a relative position of the first mobile robot using the signal received by the first antenna and the second antenna.
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公开(公告)号：US11432697B2
公开(公告)日：2022-09-06
申请号：US16508487
申请日：2019-07-11
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
Abstract: A cleaning system may include a first mobile robot, a communication unit configured to communicate with a second mobile robot that emits a second signal, and a controller configured to recognize the location of the second mobile robot using the second signal, and control a moving speed of the first mobile robot such that the second mobile robot follows a trajectory corresponding to the movement of the first mobile robot based on the recognized location. The controller may transmit a first signal to the second mobile robot in response to the first mobile robot approaching the second mobile robot to within a distance less than a threshold distance from the second mobile robot, and control avoidance moving of the first mobile robot and the second mobile robot based on the second signal of the second mobile robot responding to the first signal.
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Patent Agency Ranking
公开(公告)号：US11269355B2
公开(公告)日：2022-03-08
申请号：US16549724
申请日：2019-08-23
Applicant: LG Electronics Inc.
Inventor： Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
Abstract: A mobile robot includes a communication unit that communicates with another mobile robot, a sensing unit for sensing the other mobile robot existing in a detection area encompassing a predetermined projected angle with respect to the front of a main body of the mobile robot, and a control unit configured for rotating the main body so that the other mobile robot is sensed in the detection area. The communication unit transmits a control signal configured to cause the other mobile robot to travel in a linear direction by a predetermined distance, to the other mobile robot when the other mobile robot is present in the detection area.
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公开(公告)号：US11357377B2
公开(公告)日：2022-06-14
申请号：US16508487
申请日：2019-07-11
Applicant: LG ELECTRONICS INC.
Inventor： Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
Abstract: A cleaning system may include a first mobile robot, a communication unit configured to communicate with a second mobile robot that emits a second signal, and a controller configured to recognize the location of the second mobile robot using the second signal, and control a moving speed of the first mobile robot such that the second mobile robot follows a trajectory corresponding to the movement of the first mobile robot based on the recognized location. The controller may transmit a first signal to the second mobile robot in response to the first mobile robot approaching the second mobile robot to within a distance less than a threshold distance from the second mobile robot, and control avoidance moving of the first mobile robot and the second mobile robot based on the second signal of the second mobile robot responding to the first signal.
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公开(公告)号：US11073827B2
公开(公告)日：2021-07-27
申请号：US16205468
申请日：2018-11-30
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsuk Ko , Sungwook Lee , Junghee Kim , Hyungsub Lee , Koh Choi
Abstract: A mobile robot may include a plurality of position information transmitters installed in an area to transmit signals for determining position information, a terminal configured to analyze the signals received from the position information transmitters and a mobile robot configured to receive the signals from the position information transmitters to determine the position information, and to set a boundary in the area based on the position information, wherein the terminal evaluates an installation position of the position information transmitters by analyzing the signals received from the position information transmitters. Accordingly, even when a work area is reduced or enlarged, a position information transmitter may be further provided, such that a boundary may be reset easily for an enlarged area. And by evaluating an installation position for the position information transmitter in an area, a position that facilitates signal transmission and reception may be determined for installation, thereby preventing a problem that an obstacle interrupts signal reception, and position information may be confirmed easily, thereby improving accuracy of positions.
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公开(公告)号：US11561275B2
公开(公告)日：2023-01-24
申请号：US16526314
申请日：2019-07-30
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsuk Ko , Sungwook Lee , Hyungsub Lee , Koh Choi
Abstract: A moving robot has a body and at least one wheel for moving the main body. The moving robot has a transceiver to communicate with a plurality of location information transmitters located within an area. The moving robot also has a memory storing coordinate information regarding positions of the location information transmitters. Further, the moving robot has a controller that sets a virtual boundary based on location information determined using signals transmitted by the location information transmitters. The controller controls the wheel so that the main body is prevented from traveling outside the virtual boundary. The controller sets a reference location information transmitter and corrects the stored coordinate information by correcting height errors based on height differences between the reference location information transmitter and the other location information transmitters. The controller also corrects a current position of the main body based on the corrected stored coordinate information.
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公开(公告)号：US12204334B2
公开(公告)日：2025-01-21
申请号：US17427023
申请日：2020-01-31
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsuk Ko , Koh Choi , Hyungsub Lee , Sungwook Lee
Abstract: The present specification relates to a mobile robot and a control method therefor, and relates to a mobile robot and a control method therefor, whereby, on the basis of a result of comparing position information measured on the basis of information on the traveling of a main body, with position information measured on the basis of the result of receiving a signal, the mobile robot determines a specific position point, within a traveling area, where a speed limit occurs.
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