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    Robot for making coffee and method for controlling the same
    3.
    发明授权
    Robot for making coffee and method for controlling the same 有权

    公开(公告)号：US11548167B2

    公开(公告)日：2023-01-10

    申请号：US16590092

    申请日：2019-10-01

    Applicant: LG ELECTRONICS INC.

    Inventor： Taeyoung Choi

    IPC: B25J13/08 ,  B25J9/16 ,  B25J11/00 ,  B25J9/00

    Abstract: A robot for making coffee and a method for controlling the same are provided to couple or decouple a portafilter to or from an espresso machine without damage to the espresso machine or the portafilter due to a collision between the espresso machine and the portafilter. The robot includes a robot arm to move with a predetermined degree of freedom, a gripper provided in the robot arm to grip a portafilter, a torque sensor provided in the robot arm to detect repulsive force (Fr) when the portafilter makes contact with a group head of an espresso machine, and a controller configured to set a virtual spring having a predetermined elastic modulus (C) based on the repulsive force (Fr) detected by the torque sensor, and to control driving torque (T) of the robot arm depending on the restoring force (Fe) of the virtual spring.

    Robot and method for controlling robot
    4.
    发明授权
    Robot and method for controlling robot 有权

    公开(公告)号：US11383384B2

    公开(公告)日：2022-07-12

    申请号：US16833158

    申请日：2020-03-27

    Applicant: LG ELECTRONICS INC.

    Inventor： Sung Gil Park ,  Changwoo Son ,  Seyul Son ,  Taeyoung Choi ,  Seuk Woo Ryu

    IPC: B25J9/16

    Abstract: Disclosed is a robot and a method for controlling a robot. The robot according to an embodiment of the present disclosure may include an end-effector configured to grip a tool, a tactile sensor disposed in the end-effector, the tactile sensor configured to generate tactile information about an identifier formed on the tool, and a processor configured to cause the end-effector to grip the tool, and determine at least one of a type or a posture of the tool gripped by the end-effector based on the tactile information received from the tactile sensor. Embodiments of the present disclosure may be implemented by executing an artificial intelligence algorithm and/or machine learning algorithm in a 5G environment connected for the Internet of Things.

    Tool changer and tool change system having the same
    6.
    发明授权
    Tool changer and tool change system having the same 有权

    公开(公告)号：US11738470B2

    公开(公告)日：2023-08-29

    申请号：US16748348

    申请日：2020-01-21

    Applicant: LG ELECTRONICS INC.

    Inventor： Changwoo Son ,  Seukwoo Ryu ,  Sunggil Park ,  Seyul Son ,  Taeyoung Choi

    IPC: B25J15/06 ,  H02K21/20 ,  H02K5/22 ,  B25J15/04

    CPC classification number: B25J15/0608 ,  B25J15/0441 ,  H02K5/225 ,  H02K21/20

    Abstract: A tool changer in accordance with the present disclosure comprises: a housing fastened to a manipulator of a robot, wherein the housing is a non-magnetic material; a bar-shaped magnet disposed in the housing; a motor configured to rotate the magnet on a rotation shaft perpendicular to a longitudinal direction of the magnet; and a core configured to derive a path of a magnetic flux by the magnet. The core comprises: a pair of first poles facing both poles of the magnet, when the magnet rotates to be elongated in a first direction; a bridge configured to connect the pair of the first poles and disposed in the housing, wherein the bridge is a magnetic material; a pair of second poles facing the both poles of the magnet, when the magnet rotates to be elongated in a second direction perpendicular to the first direction; and a pair of terminals connected to the second poles and facing a magnetic body disposed outside the housing.

    Gripper
    8.
    发明授权
    Gripper 有权

    公开(公告)号：US11511445B2

    公开(公告)日：2022-11-29

    申请号：US16803759

    申请日：2020-02-27

    Applicant: LG ELECTRONICS INC.

    Inventor： Changwoo Son ,  Changkyu Kim ,  Sunggil Park ,  Seyul Son ,  Taeyoung Choi

    IPC: B25J15/12 ,  B25J15/00

    Abstract: Disclosed is a gripper including a pair of main bodies each having an internal space and spaced apart from each other, a pair of openings provided at ends of the pair of main bodies, a pair of moving bodies protruding from the ends of the pair of main bodies through the openings, a pair of inner bodies fixed in the internal space of the pair of main bodies, and a pair of springs configured to be compressed between the inner body and the moving body.

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