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公开(公告)号：US11617705B2
公开(公告)日：2023-04-04
申请号：US17530501
申请日：2021-11-19
发明人： Houzhu Ding , Armen Gardabad Ohanian , Brandon Jon LaPlante , Chengkun Zhang , Zhen Xiu , Huan Tan
摘要： A robotic assistant includes a wheeled base, a body positioned on the base, a foldable seat rotatably connected to the body, an actuator to rotate the foldable seat with respect to the body, and a control system that receives command instructions. The actuator is electrically coupled to the control system. In response to the command instructions, the control system is to control the actuator to rotate the foldable seat to a folded position or an unfolded position. The control system is further to detect whether an external force from a user has applied to the foldable seat, and release the actuator to allow the foldable seat to be manually rotated.
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公开(公告)号：US11518042B2
公开(公告)日：2022-12-06
申请号：US16870903
申请日：2020-05-09
发明人： Chengkun Zhang , Marten Byl , Muhammed Rasid Pac , Raymond Ma , Luis Alfredo Mateos Guzman , Won Suk You , Huan Tan , Youjun Xiong
IPC分类号： B25J9/00 , B25J11/00 , B25J5/00 , B65G1/02 , B65G61/00 , B25J9/16 , B25J9/10 , B25J9/12 , B25J19/00 , B25J19/02 , G05D1/02
摘要： A robotic assistant includes a wheeled base, a storage unit including drawers, a foldable arm connected to a top of the storage unit and including an end of arm tooling (EOAT) connected to a distal end of the foldable arm, an elevation mechanism positioned on the wheeled base and used to move the storage unit up and down, and a control system that receives command instructions. In response to the command instructions, the control system is configured to move the wheeled base, open or close the one or more drawers, actuate movement of the foldable arm and the EOAT to pick up and place external objects from/to a determined location, and control the storage unit to move up/down.
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公开(公告)号：US20220175609A1
公开(公告)日：2022-06-09
申请号：US17467461
申请日：2021-09-07
发明人： Houzhu Ding , Chengkun Zhang , Zhen Xiu , Huan Tan
摘要： A robotic assistant includes a base; an elevation mechanism positioned on the base; a display rotatably mounted on the elevation mechanism; a camera positioned on the display; and a control system that receives command instructions. In response to the command instructions, the control system is to detect movement of a face of the user in a vertical direction based on the images captured by the camera. In response to detection of the movement of the face of the user in the vertical direction, the control system is to rotate the display and actuate the elevation mechanism to the move the display up and down to allow the camera to face the face of the user during the movement of the face of the user in the vertical direction.
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公开(公告)号：US20220143841A1
公开(公告)日：2022-05-12
申请号：US17095758
申请日：2020-11-12
发明人： Won Suk You , Chengkun Zhang , Huan Tan , Youjun Xiong
摘要： A robotic hand includes a baseplate, a finger having multiple phalanges that are rotatably coupled to one another, a first of the phalanges having a first end rotatably coupled to the baseplate and a second end and a second of the phalanges rotatably coupled to the second end about an axis of rotation, an actuating mechanism mounted on the baseplate, the actuating mechanism configured to actuate rotation of the plurality of phalanges, and a tendon having opposite ends that are respectively attached to the second of the phalanges and the baseplate. The second of the phalanges has an engagement portion arranged around the axis of rotation, and the tendon is wrapped around a portion of the engagement portion to generate a force acting on the second end of the first of the phalanges, causing the first of the phalanges to rotate from a flexed state to an extended state.
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公开(公告)号：US11325264B1
公开(公告)日：2022-05-10
申请号：US17095758
申请日：2020-11-12
发明人： Won Suk You , Chengkun Zhang , Huan Tan , Youjun Xiong
摘要： A robotic hand includes a baseplate, a finger having multiple phalanges that are rotatably coupled to one another, a first of the phalanges having a first end rotatably coupled to the baseplate and a second end and a second of the phalanges rotatably coupled to the second end about an axis of rotation, an actuating mechanism mounted on the baseplate, the actuating mechanism configured to actuate rotation of the plurality of phalanges, and a tendon having opposite ends that are respectively attached to the second of the phalanges and the baseplate. The second of the phalanges has an engagement portion arranged around the axis of rotation, and the tendon is wrapped around a portion of the engagement portion to generate a force acting on the second end of the first of the phalanges, causing the first of the phalanges to rotate from a flexed state to an extended state.
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公开(公告)号：USD921082S1
公开(公告)日：2021-06-01
申请号：US29734165
申请日：2020-05-09
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公开(公告)号：USD921080S1
公开(公告)日：2021-06-01
申请号：US29733166
申请日：2020-04-30
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公开(公告)号：US11931885B2
公开(公告)日：2024-03-19
申请号：US17513917
申请日：2021-10-29
发明人： Sheryl Suet Ying Chau , Yang Shen , Chengkun Zhang , Huan Tan
CPC分类号： B25J13/085 , B25J13/081 , G01L5/169
摘要： A touch sensing method and a serial manipulator using the same are disclosed. A serial manipulator using the method may detect and localize external torques by obtaining a torque value of each joint of a serial manipulator through a torque sensor at the joint; obtaining a preset joint angle of each joint from the serial manipulator; calculating a Jacobian matrices of the serial manipulator based on the joint angle of the joints; estimating joint torques of the serial manipulator based on the torque value of each joint and the Jacobian matrices; calculating an error between the torque value of each joint and the estimated joint torque corresponding to the joint; and determining a link of the serial manipulator that is connected to the joint with the minimum calculated error as having been touched.
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公开(公告)号：US11554071B2
公开(公告)日：2023-01-17
申请号：US17467461
申请日：2021-09-07
发明人： Houzhu Ding , Chengkun Zhang , Zhen Xiu , Huan Tan
摘要： A robotic assistant includes a base; an elevation mechanism positioned on the base; a display rotatably mounted on the elevation mechanism; a camera positioned on the display; and a control system that receives command instructions. In response to the command instructions, the control system is to detect movement of a face of the user in a vertical direction based on the images captured by the camera. In response to detection of the movement of the face of the user in the vertical direction, the control system is to rotate the display and actuate the elevation mechanism to the move the display up and down to allow the camera to face the face of the user during the movement of the face of the user in the vertical direction.
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公开(公告)号：US11320088B1
公开(公告)日：2022-05-03
申请号：US17113127
申请日：2020-12-07
发明人： Houzhu Ding , Chengkun Zhang , Huan Tan , Youjun Xiong
摘要： A display stand includes a frame, an actuated rotary mechanism coupled to the frame, a counterweight coupled to the actuated rotary mechanism and movable in a vertical direction during rotation of the display about the axis of rotation, and an elevation mechanism. The actuated rotary mechanism includes a display holder that is configured to mount a display to the frame and rotate the display about an axis of rotation. The counterweight and the display are located at opposite sides of a vertical plane that passes through the axis of rotation such that a combined center of mass of the display, the display holder, and the counterweight lies on the vertical plane. The frame is coupled to the elevation mechanism, and the elevation mechanism is configured to move the frame up and down.
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