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公开(公告)号：US11906979B2
公开(公告)日：2024-02-20
申请号：US17586135
申请日：2022-01-27
Applicant: LG Electronics Inc.
Inventor： Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
CPC classification number: G05D1/0287 , B25J9/0084 , B25J9/1666
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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Patent Agency Ranking
公开(公告)号：US11256250B2
公开(公告)日：2022-02-22
申请号：US16559030
申请日：2019-09-03
Applicant: LG Electronics Inc.
Inventor： Donghoon Kwak , Kyoungsuk Ko , Sungwook Lee
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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13.发明授权公开(公告)号：US11178811B2
公开(公告)日：2021-11-23
申请号：US16531222
申请日：2019-08-05
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsuk Ko , Sungwook Lee , Hyungsub Lee , Koh Choi
IPC: A01D34/00 , G05D1/00 , G05D1/02 , A01D101/00
Abstract: A lawn mower robot has a main body, and a driving unit configured to move the main body. The lawn mower robot also has a receiver configured to receive a signal transmitted from at least one transmission device in a travel area. The lawn more robot also has a controller. The controller controls the driving unit based on a result and a prestored area map. The result is based on the signal received by the receiver, and the area map includes an arrangement position of the at least one transmission device. The controller detects a position change of the at least one transmission device based on the result and updates the area map by determining a present position of the at least one transmission device in the area map according to the position change.
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公开(公告)号：US10942510B2
公开(公告)日：2021-03-09
申请号：US16205452
申请日：2018-11-30
Applicant: LG ELECTRONICS INC.
Inventor： Kyoungsuk Ko , Sungwook Lee , Jongjin Woo , Jaehoon Lee , Junghee Kim , Hyungsub Lee , Koh Choi
Abstract: A mobile robot may include a controller configured to set a virtual boundary based on position information determined by a terminal or a position sensor in an area, and to set an area of any one side of the boundary as a traveling area. The controller may control a traveling unit so that a main body moves within the traveling area without moving outside the boundary. Accordingly, the controller may easily set the boundary using the position information, and may control traveling of the mobile robot by setting the traveling area formed by the boundary. The controller may correct a position error, may reflect information on obstacles in setting the traveling area to set a traveling area appropriate for a traveling environment of the mobile robot, and/or may easily change the set traveling 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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