FINGER WITH TACTILE SENSOR FOR ROBOT HAND AND ROBOT HAND WITH TACTILE SENSOR USING SAME

    公开(公告)号:US20240253252A1

    公开(公告)日:2024-08-01

    申请号:US18561466

    申请日:2022-05-09

    CPC classification number: B25J19/02 B25J15/08 G01L1/142 G01L5/165 G01L5/226

    Abstract: A tactile sensor-attached finger is mountable on a robotic hand to reduce damage and failure caused by a grip target coming in contact with a part of a finger member other than its palm surface. A tactile sensor-attached finger (1F) for a robot hand for gripping a grip target includes a finger member (2) including a palm surface (21a) to be in contact with the grip target, a back surface (21b) opposite to the palm surface (21a), an end surface (21c) adjacent to the palm and back surfaces (21a, 21b) on ends of the palm and back surfaces (21a, 21b) in an extension direction in which the palm and back surfaces (21a, 21b) extend, and two side surfaces (21d) adjacent to the palm and back surfaces (21a, 21b) in a direction intersecting with the extension direction, and a tactile sensor (5) being a film attached to an outer surface of a housing (21) included in the finger member (2) and including a pressure-sensitive area (5a) overlapping the palm surface (21a) and at least one of the end surface (21c), one of the two side surfaces (21d), or the other of the two side surfaces (21d).

    PRESSURE SENSOR AND WEARABLE SENSOR
    2.
    发明公开

    公开(公告)号:US20240118156A1

    公开(公告)日:2024-04-11

    申请号:US18376123

    申请日:2023-10-03

    Applicant: Hitachi, Ltd.

    CPC classification number: G01L5/226 G01L5/101

    Abstract: A technique that can emit a sensor signal that accurately reflects only the pressure to be truly detected in a glove-type wearable sensor in which a film-like pressure sensor is incorporated into a fingertip of a thin work glove is disclosed. In a film-like pressure sensor incorporated into a fingertip of a glove-type wearable sensor, three coordinate axis directions in a three-dimensional orthogonal coordinate system are assumed to be a vertical direction, a longitudinal direction of the pressure sensor, and a width direction of the pressure sensor, at least one or more flexible printed circuits and one sheet-like pressure sensitive element are laminated in the vertical direction, and only the pressure applied to the fingertip of a wearer after wearing the wearable sensor is detected.

    SENSOR APPARATUS AND ROBOTIC APPARATUS
    4.
    发明公开

    公开(公告)号:US20230408355A1

    公开(公告)日:2023-12-21

    申请号:US18252402

    申请日:2021-06-10

    CPC classification number: G01L5/165 B25J19/02 G01L5/226

    Abstract: A sensor apparatus and a robotic apparatus that can detect a distribution of a shearing force. A sensor apparatus according to an embodiment of the present technology includes a sensor section, a separation layer, and a first viscoelastic body layer. The sensor section includes a first pressure sensor on a front side of the sensor section that faces and a second pressure sensor on a rear side of the sensor section, the sensor section detecting a force applied in an in-plane direction. The separation layer is between the first pressure sensor and the second pressure sensor, and is made of a viscoelastic material that is deformed by a load applied to the first pressure sensor. The first viscoelastic body layer is on a front surface of the first pressure sensor, and is made of a viscoelastic material that is deformable on the first pressure sensor in the in-plane direction.

    TORQUE SENSOR ELEMENT AND TORQUE SENSOR
    7.
    发明公开

    公开(公告)号:US20230266186A1

    公开(公告)日:2023-08-24

    申请号:US18020674

    申请日:2021-08-12

    Inventor: Oliver Joe WHEEN

    CPC classification number: G01L3/1435 B25J19/027 G01L5/226

    Abstract: A torque sensor element for measuring a torque applied to a joint is described. The torque sensor element includes: an outer frame and an inner frame respectively to connect to first and second sides of a joint; and a compliant arrangement connecting the outer frame to the inner frame. The compliant arrangement includes: first and second members, each extending between and connecting the outer and inner frames, and each being resilient and deformable to permit some relative rotation between the outer and inner frames in response to an applied torque. A connecting structure extends between the first and second members and includes a first portion intermediate the first and second members which is configured responsive to a deformation of the first and/or second member to move by an amount determined by a degree of relative rotation between the outer and inner frames caused by a torque applied to the joint.

    MONITORING DEVICE OF ROBOT SYSTEM
    9.
    发明申请

    公开(公告)号:US20180311836A1

    公开(公告)日:2018-11-01

    申请号:US15772160

    申请日:2016-10-25

    Inventor: Koji MUNETO

    Abstract: A monitoring device of a robot system including: a current sensor detecting a value of a current flowing through the servo motor; a current/torque converting the value of the current flowing through the servo motor which is detected by the current sensor into a torque value; a driving torque estimating section estimating at least a part of driving torque required to drive the servo motor; a differential torque calculating differential torque between the torque value obtained by conversion in the current/torque converting section and an estimated value of the driving torque; an external force converting the differential torque calculated by the differential torque calculating section into an external force applied to the robot; and a stop signal generating section which generates to stop the robot based on a value of the external force obtained by conversion in the external force converting section, and supplies the stop signal to the controller.

    Multi-axial force sensor and grasper for sensing multi-axial force using the same

    公开(公告)号:US09970836B2

    公开(公告)日:2018-05-15

    申请号:US15094116

    申请日:2016-04-08

    CPC classification number: G01L5/226 G01L5/165

    Abstract: Disclosed are a multi-axial force sensor capable of measuring multi-axial force and a grasper for sensing multi-axial force using the same. The multi-axial force sensor includes: a first operating section which includes a first member, and a first protrusion module formed protruding from one side of the first member; an elastic section which is formed at one end of the first member; a second operating section which includes a second member formed with one end to face one end of the first member with the elastic section therebetween, and a second protrusion module formed protruding from one side of the second member to face the first protrusion module; and an electrode section which is formed in the first protrusion module. With this, there is provided a force sensor capable of precisely measuring force through a simple structure.

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