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公开(公告)号：US20230091839A1
公开(公告)日：2023-03-23
申请号：US17802270
申请日：2021-02-26
Applicant: LG ELECTRONICS INC.
Inventor： Junghwan KIM , Wonkeun YANG , Minho LEE , Jeongwoo JU
Abstract: In a moving robot and a control method according to the present disclosure, an obstacle is detected using structured light irradiated in a predetermined type of light pattern in a traveling direction while traveling, and a specified operation is performed in response to the obstacle. Moreover, a dangerous obstacle is recognized by extracting changes over time using a plurality of images for an obstacle or a low obstacle that is difficult to determine as detected data, and thus, it is possible to improve accuracy according to the determination of the obstacle, improve a corresponding operation according to the obstacle, minimize the uncleaned area while preventing restraint due to the obstacle, and improve the cleaning performance.
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公开(公告)号：US20190332119A1
公开(公告)日：2019-10-31
申请号：US16473758
申请日：2017-12-26
Applicant: LG ELECTRONICS INC.
Inventor： Junghwan KIM , Jaewon KIM , Hyunji KIM
Abstract: Disclosed are a mobile robot and a method of controlling the same, the mobile robot including: a sensor unit configured to sense an object present in a traveling direction; a camera configured to, in response to sensing of the obstacle by the sensor unit, photograph the obstacle; a data unit configured to store information regarding a plurality of obstacles; a controller configured to control an operation by recognizing the obstacle based on the information stored in the data unit; a travel unit configured to perform a designated operation according to a control command from the controller; and a speaker configured to output a designated sound according to a control command from the controller, wherein the controller comprises: an obstacle recognizer configured to analyze an image of the obstacle photographed by the camera, compare the image of the obstacle with data stored in the data unit, recognize the obstacle, and determine a type of the obstacle; and a motion controller configured to, in response to a type of the obstacle recognized by the obstacle recognizer, perform a designated operation according to setting stored in the data, and accordingly, it is possible to determine a type of an obstacle by recognizing the obstacle, effectively cope with obstacles by performing different operations according to types of the obstacles, improve cleaning efficiency, enable the mobile robot to recognize an obstacle and determine a type thereof within a short period of time, allow a user to modify an operation responsive to the type of the obstacle, and perform an operation suitable for characteristics of the obstacle, an area to be cleaned, or a surrounding environment.
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公开(公告)号：US20220032450A1
公开(公告)日：2022-02-03
申请号：US16957888
申请日：2018-12-11
Applicant: LG ELECTRONICS INC.
Inventor： Junghwan KIM , Minho LEE , llsoo CHO
Abstract: Provided is a control method of a mobile robot, the method including an experience information generating step of obtaining current state information through sensing during traveling, and, based on a result of controlling an action according to action information selected by inputting the current state information to a predetermined action control algorithm for docking, generating one experience information that comprises the state information and the action information. The control method may further include an experience information collecting step of storing a plurality of experience information by repeatedly performing the experience information generating step, and a learning step of learning the action control algorithm based on the plurality of experience information.
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公开(公告)号：US20230081449A1
公开(公告)日：2023-03-16
申请号：US17802430
申请日：2020-10-29
Applicant: LG ELECTRONICS INC.
Inventor： Minho LEE , Junghwan KIM
Abstract: The present specification relates to a mobile robot and a control method therefore, in which the mobile robot generates virtual floor surface information about a travelling environment by accumulating, for a certain time, the results of sensing via a camera sensor to improve the accuracy of obstacle detection using the camera sensor, detects whether or not there is an obstacle in the travelling environment, on the basis of the floor surface information, and controls travel according to the result of the detection.
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公开(公告)号：US20190176330A1
公开(公告)日：2019-06-13
申请号：US16327454
申请日：2017-08-24
Applicant: LG ELECTRONICS INC.
Inventor： Dongki NOH , Juhyeon LEE , Junghwan KIM , Seungmin BAEK , Wonkeun YANG
Abstract: A mobile robot includes a travel drive unit configured to move a main body, an image acquisition unit configured to acquire a plurality of images by continuously photographing surroundings of the main body, a storage configured to store the plurality of continuous images acquired by the image acquisition unit, a sensor unit having one or more sensors configured to sense an object during the movement of the main body, and a controller configured to, in response to the sensing of the object by the sensor unit, select an image acquired at a specific point in time earlier than an object sensing time of the sensor unit from among the plurality of continuous images based on a moving direction and a moving speed of the main body, and recognize an attribute of the object included in the selected image acquired at the specific point in time.
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Patent Agency Ranking
公开(公告)号：US20190179333A1
公开(公告)日：2019-06-13
申请号：US16327452
申请日：2017-08-24
Applicant: LG ELECTRONICS INC.
Inventor： Dongki NOH , Juhyeon LEE , Junghwan KIM , Seungmin BAEK , Wonkeun YANG
Abstract: A mobile robot includes a travel drive unit configured to move a main body, an image acquisition unit configured to acquire an image of surroundings of the main body, a storage configured to store the image acquired by the image acquisition unit, a sensor unit having one or more sensors configured to sense an object during the movement of the body, and a controller configured to perform control to extract a part of the image acquired by the image acquisition unit in correspondence to a direction in which the object sensed by the sensor unit is present.
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公开(公告)号：US20190171217A1
公开(公告)日：2019-06-06
申请号：US16209033
申请日：2018-12-04
Applicant: LG ELECTRONICS INC.
Inventor： Sunghun LEE , Junghwan KIM
Abstract: A method of controlling a moving robot includes a travel control operation in which the moving robot generates field data by sensing information regarding an environment around the moving robot, and controls autonomous traveling based on a recognition result that is obtained by inputting the field data to a recognition algorithm for the moving robot; a server learning operation in which the moving robot transmits at least some of the field data to a server or other device and the server generates update information based on the field data transmitted by the moving robot; and an update operation in which the server transmits the update information to the moving robot, which uses the update information to update the recognition algorithm.
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公开(公告)号：US20180164026A1
公开(公告)日：2018-06-14
申请号：US15837678
申请日：2017-12-11
Applicant: LG Electronics Inc.
Inventor： Sangmyung LEE , Hyuk KWON , Junghwan KIM
CPC classification number: F25D23/02 , A47B2220/0077 , A47F3/00 , A47F3/0434 , F25D11/00 , F25D27/005 , F25D29/005 , F25D2400/361 , G02F1/133 , Y10T428/10 , Y10T428/1036
Abstract: A refrigerator includes a cabinet defining a storage space, a door opening and closing the cabinet, and a transparent display assembly which covers an opening of the door and through which an inner space of the refrigerator is seen. The transparent display assembly includes a front panel defining at least a portion of a front surface of the door, a touch sensor disposed on a rear surface of the front panel, a rear panel defining at least a portion of a rear surface of the door, an insulation coating layer provided on a surface of the rear panel, an outer spacer disposed between the front panel and the rear panel, a display disposed in the sealed space, a light guide plate spaced apart from the display, and a spacer supporting the light guide plate and maintaining a distance between the display and the light guide plate.
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公开(公告)号：US20240068735A1
公开(公告)日：2024-02-29
申请号：US18388097
申请日：2023-11-08
Applicant: LG Electronics Inc.
Inventor： Junghwan KIM , Chanuk KANG , Hyuk KWON , Sangmyung LEE , Ikkyu LEE
CPC classification number: F25D21/04 , A47F3/0434 , F25D23/02 , F25D23/025 , F25D23/028 , F25D27/00 , F25D27/005 , F25D2201/10 , F25D2323/023 , F25D2400/02 , F25D2400/361
Abstract: A refrigerator includes a cabinet, a door opening/closing the cabinet and having an opening that is penetrated in a front/rear direction, a transparent panel assembly mounted to cover the opening and through which the inside of the refrigerant is seen, and a lighting member provided in the door or the cabinet to brighten a rear side of the transparent panel assembly. The transparent panel assembly includes a front panel defining an outer appearance of a front surface, a rear panel defining an outer appearance of a rear surface, a spacer made of a metal material and disposed between the front panel and the rear panel to define a periphery of the transparent panel assembly. A heater mounting part on which a heater is mounted is disposed on the spacer, and when the heater generates heat, one side of the front panel, which comes into contact with the spacer, is heated.
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公开(公告)号：US20230175759A1
公开(公告)日：2023-06-08
申请号：US18104421
申请日：2023-02-01
Applicant: LG ELECTRONICS INC.
Inventor： Sangmyung LEE , Hyuk KWON , Junghwan KIM
CPC classification number: F25D23/02 , F25D29/005 , A47F3/00 , A47F3/0434 , G02F1/133
Abstract: A refrigerator includes a door with a transparent display assembly that includes a front panel defining at least a portion of a front surface of the door, a touch sensor disposed on a rear surface of the front panel to recognize touch manipulation, a rear panel defining at least a portion of a rear surface of the door, an insulation coating layer provided on a surface of the rear panel by a metal oxide to block heat from the outside, an outer spacer disposed between the front panel and the rear panel to provide a sealed space between the front panel and the rear panel, a display disposed in the sealed space, a light guide plate spaced apart from the display to brighten up the display, and a spacer supporting the light guide plate and maintaining a distance between the display and the light guide plate.
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