Patents by Inventor Chengkun Zhang
Chengkun Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 11511437Abstract: A wheeled base includes a housing, two driven wheeled mechanisms positioned on a bottom of the housing and on opposite sides of the housing, at least one passive wheel positioned on the bottom of the housing, actuated feet positioned on the bottom of the housing and configured to move up and down, sensors, and a battery pack arranged within the housing. The two driven wheeled mechanisms each includes a damping mechanism, and each damping mechanism includes at least two dampers configured to absorb impact caused by an upward movement of the housing, and absorb impact caused by a downward movement of the housing.Type: GrantFiled: July 7, 2020Date of Patent: November 29, 2022Assignee: UBTECH ROBOTICS CORP LTDInventors: Marten Byl, Chengkun Zhang, Raymond Ma, Muhammed Rasid Pac, Huan Tan, Youjun Xiong
-
Publication number: 20220371187Abstract: A design method of serial manipulator that comprises an end effector, a number of random-access links, and a number of motors, includes: obtaining a desired motion profile of the end effector; discretizing the desired motion profile into a plurality of points, wherein each of the points carries information of speed, acceleration, and force/torque of the end effector at the point; determining the number of degrees of freedom of the serial manipulator, and initializing the length of each of the links and the motor type of each of the motors; and at each of the points, optimizing the initialized lengths of the links and the motor types of the motors by calculating a dynamic manipulability ellipsoid at the end effector, to obtain desired lengths of the links and desired motor types of the motors, which allows the end effector to execute the desired motion profile under predetermined constraints.Type: ApplicationFiled: May 20, 2021Publication date: November 24, 2022Inventors: Yang Shen, Dejun Guo, ChengKun Zhang, Huan Tan
-
Patent number: 11440198Abstract: A control system for a neck mechanism includes a perception system configured to track movement of an object, and a perception control system that controls a rotary motor to yaw a platform and controls a first linear actuator and a second linear actuator that is in parallel with the first linear actuator to pitch and roll the platform according to a target position of the platform. The perception system tracks movement of the object by estimating its position and pose in 3D space and the platform is moved according to a vision-based position and pose estimation result.Type: GrantFiled: April 28, 2020Date of Patent: September 13, 2022Assignee: UBTECH ROBOTICS CORP LTDInventors: Houzhu Ding, Mohammad Iman Mokhlespour Esfahani, Chengkun Zhang, Huan Tan, Youjun Xiong
-
Patent number: 11414639Abstract: A bioreactor vessel includes a bottom plate, a vessel body coupled to the bottom plate, the vessel body and the bottom plate defining an interior compartment therebetween, and a plurality of recesses formed in the bottom plate, each recess of the plurality of recesses being configured to receive a corresponding alignment pin on a bed plate for aligning the bioreactor vessel on the bed plate.Type: GrantFiled: February 8, 2019Date of Patent: August 16, 2022Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
-
Publication number: 20220251496Abstract: A bioprocessing system includes a first fluid assembly having a first fluid assembly line connected to a first port of a first bioreactor vessel though a first bioreactor line of a first bioreactor vessel, a second fluid assembly having a second fluid assembly line connected to a second port of the first bioreactor vessel through a second bioreactor line of the first bioreactor vessel, and an interconnect line providing for fluid communication between the first fluid assembly and the second fluid assembly, and for fluid communication between the second bioreactor line of the first bioreactor vessel and the first bioreactor line of the first bioreactor vessel.Type: ApplicationFiled: May 2, 2022Publication date: August 11, 2022Applicant: Global Life Sciences Solutions USA LLCInventors: Weston Blaine Griffin, Alex D. Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
-
Patent number: 11406185Abstract: According to one aspect, an actuator of a robotic drawer is disclosed. The actuator may include a plurality of articulation components that form an articulated rack. The actuator may include a plurality of pins each coupled to an exterior of one of the plurality of articulation components. The actuator may include a transformer box coupled to a pinion and configured to move along an exterior of the articulated rack as the pinion moves along the surface. The transformer box may include a first guide configured to apply a first force to an arm of each of the pins as the transformer box moves in a first direction. The first force may cause the pin to rotate in a first rotational direction until the arm is fitted into a cam of the articulated rack such that adjacent articulation components are held in a fixed position, causing the articulated rack to extend.Type: GrantFiled: June 25, 2021Date of Patent: August 9, 2022Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Luis Alfredo Mateos Guzman, Chengkun Zhang
-
Patent number: 11371007Abstract: A bioprocessing system includes a first fluid assembly having a first fluid assembly line connected to a first port of a first bioreactor vessel though a first bioreactor line of a first bioreactor vessel, a second fluid assembly having a second fluid assembly line connected to a second port of the first bioreactor vessel through a second bioreactor line of the first bioreactor vessel, and an interconnect line providing for fluid communication between the first fluid assembly and the second fluid assembly, and for fluid communication between the second bioreactor line of the first bioreactor vessel and the first bioreactor line of the first bioreactor vessel.Type: GrantFiled: February 8, 2019Date of Patent: June 28, 2022Assignee: GLOBAL LIFE SCIENCES SOLUTIONS USA LLCInventors: Weston Blaine Griffin, Alex D Corwin, Xiaohua Zhang, Reginald Donovan Smith, Zhen Liu, Chengkun Zhang, Vandana Keskar, Brian Michael Davis, Kashan Shaikh
-
Publication number: 20220175609Abstract: 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.Type: ApplicationFiled: September 7, 2021Publication date: June 9, 2022Inventors: Houzhu Ding, Chengkun Zhang, Zhen Xiu, Huan Tan
-
Publication number: 20220143841Abstract: 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.Type: ApplicationFiled: November 12, 2020Publication date: May 12, 2022Inventors: Won Suk You, Chengkun Zhang, Huan Tan, Youjun Xiong
-
Patent number: 11325264Abstract: 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.Type: GrantFiled: November 12, 2020Date of Patent: May 10, 2022Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Won Suk You, Chengkun Zhang, Huan Tan, Youjun Xiong
-
Patent number: 11320088Abstract: 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.Type: GrantFiled: December 7, 2020Date of Patent: May 3, 2022Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Houzhu Ding, Chengkun Zhang, Huan Tan, Youjun Xiong
-
Publication number: 20210347059Abstract: 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.Type: ApplicationFiled: May 9, 2020Publication date: November 11, 2021Inventors: Chengkun Zhang, Marten Byl, Muhammed Rasid Pac, Raymond Ma, Luis Alfredo Mateos Guzman, Won Suk You, Huan Tan, Youjun Xiong
-
Publication number: 20210347060Abstract: 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.Type: ApplicationFiled: July 7, 2020Publication date: November 11, 2021Inventors: Marten Byl, Chengkun Zhang, Raymond Ma, Muhammed Rasid Pac, Huan Tan, Youjun Xiong
-
Publication number: 20210347038Abstract: A mechanical arm includes a first link connectable to a surface, a second link, a third link, a fourth link, and a fifth link that are coupled to one another in series, and an end effector connectable to the fifth link. The end effector is rotatable about an axis of rotation same as an axis of rotation of the fourth link, and rotatable about an axis of rotation orthogonal to the axis of rotation of the fourth link. The first link, the second link, the third link, the fourth link, and the fifth link are collectively structured and configured to rotate such that the end effector is actuatable to a workspace under the surface.Type: ApplicationFiled: June 15, 2020Publication date: November 11, 2021Inventors: CHENGKUN ZHANG, Liang Huang, Jianbo Li, Jingchen Li, Hongyu Ding, Wenhua Fan, Won Suk You, Raymond Ma, Muhammed Rasid Pac, Huan Tan, Youjun Xiong
-
Publication number: 20210331323Abstract: A control system for a neck mechanism includes a perception system configured to track movement of an object, and a perception control system that controls a rotary motor to yaw a platform and controls a first linear actuator and a second linear actuator that is in parallel with the first linear actuator to pitch and roll the platform according to a target position of the platform. The perception system tracks movement of the object by estimating its position and pose in 3D space and the platform is moved according to a vision-based position and pose estimation result.Type: ApplicationFiled: April 28, 2020Publication date: October 28, 2021Inventors: Houzhu Ding, Mohammad Iman Mokhlespour Esfahani, Chengkun Zhang, Huan Tan, Youjun Xiong
-
Publication number: 20210331310Abstract: A neck mechanism for a robot includes a first linear actuator, a second linear actuator in parallel with the first actuator, a rotary stage, and a support shaft positioned behind and between the first linear actuator and the second linear actuator. The first linear actuator and the second linear actuator are both connected between a platform and the rotary stage via joints, and the support shaft is connected between the upper platform and the rotary stage via a joint. The rotary motor is configured to rotate the rotary stage to yaw the platform and the first linear actuator and the second linear actuator are configured to pitch/roll the platform.Type: ApplicationFiled: April 28, 2020Publication date: October 28, 2021Inventors: Mohammad Iman Mokhlespour Esfahani, Houzhu Ding, Chengkun Zhang, Huan Tan, Youjun Xiong
-
Patent number: D932530Type: GrantFiled: June 18, 2020Date of Patent: October 5, 2021Assignee: UBTECH ROBOTICS CORP LTDInventors: Brandon Jon LaPlante, Liang Huang, Chengkun Zhang, Jianbo Li, Jingchen Li, Francisco Jose Hernandez, Shixun Chen, Hongyu Ding, Wenhua Fan, Xinshui Huang, Huan Tan, Youjun Xiong
-
Patent number: D963722Type: GrantFiled: June 28, 2021Date of Patent: September 13, 2022Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Francisco Jose Hernandez, Brandon Jon LaPlante, Jiexin Cai, ChengKun Zhang, Huan Tan
-
Patent number: D966382Type: GrantFiled: June 25, 2021Date of Patent: October 11, 2022Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Shixun Chen, Jianchi Xiong, ChengKun Zhang, Huan Tan
-
Patent number: D966383Type: GrantFiled: June 29, 2021Date of Patent: October 11, 2022Assignees: UBTECH NORTH AMERICA RESEARCH AND DEVELOPMENT CENTER CORP, UBTECH ROBOTICS CORP LTDInventors: Francisco Jose Hernandez, Brandon Jon LaPlante, Shixun Chen, Jiexin Cai, ChengKun Zhang, Huan Tan