Patents by Inventor Juncai PENG

Juncai PENG 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: 12343862
    Abstract: A multidimensional joint is provided and includes a body and a drive assembly. The body includes a first motor and a second motor. The drive assembly includes a planetary carrier rotatably coupled to the body, a first drive gear driveably coupled to the first motor, a second drive gear driveably coupled to the second motor, at least one driven gear and at least one output end. The first and the second drive gears are rotatably mounted on the planetary carrier about a first axis, and the at least one driven gear is rotatably mounted on the planetary carrier about a second axis in a different direction from the first axis. The first and the second drive gears are engaged with the at least one driven gear respectively. The at least one driven gear is coupled to the at least one output end configured to output torque to a load.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: July 1, 2025
    Assignees: SHANGHAI FLEXIV ROBOTICS TECHNOLOGY CO., LTD., FLEXIV LTD.
    Inventors: Ran An, Juncai Peng, Tingke Song, Shiquan Wang
  • Publication number: 20240391092
    Abstract: A harmonic drive includes: a wave generator; a circular spline provided with internal teeth; a flexible spline provided between the wave generator and the circular spline and configured to be engaged with the internal teeth of the circular spline; and a plurality sets of torque sensors. Each set of torque sensors includes a plurality of strain gauges, each set of torque sensors is respectively configured to measure torque transmitted by the harmonic drive during rotation of the flexible spline. Signals measured by each of the plurality sets of torque sensors include a torque ripple, and the plurality sets of torque sensors are alternatively arranged. The harmonic drive further includes a processor configured to calculate a true torque transmitted by the harmonic drive based on signals measured by the plurality sets of torque sensors. The torque ripple is excluded from the true torque.
    Type: Application
    Filed: October 18, 2022
    Publication date: November 28, 2024
    Inventors: Ran AN, Juncai PENG, Tingke SONG, Shiquan WANG
  • Publication number: 20240391116
    Abstract: A multidimensional joint is provided and includes a body and a drive assembly. The body includes a first motor and a second motor. The drive assembly includes a planetary carrier rotatably coupled to the body, a first drive gear driveably coupled to the first motor, a second drive gear driveably coupled to the second motor, at least one driven gear and at least one output end. The first and the second drive gears are rotatably mounted on the planetary carrier about a first axis, and the at least one driven gear is rotatably mounted on the planetary carrier about a second axis in a different direction from the first axis. The first and the second drive gears are engaged with the at least one driven gear respectively. The at least one driven gear is coupled to the at least one output end configured to output torque to a load.
    Type: Application
    Filed: October 20, 2022
    Publication date: November 28, 2024
    Inventors: Ran AN, Juncai PENG, Tingke SONG, Shiquan WANG
  • Patent number: 12151367
    Abstract: The present disclosure relates to a gripper and a robot. The gripper according to the present disclosure includes at least three guiding rails arranged head to tail in sequence, at least three gripping fingers respectively disposed on the at least three guiding rails and a driving mechanism. A first end of each of the gripping fingers is slidably connected to the corresponding guiding rail and a second end of each of the gripping fingers is for contacting the object to be gripped. The driving mechanism drives each of the gripping fingers to move along the corresponding guiding rail, so that the second end of each of the gripping fingers moves toward or away from a gripping center of the gripper.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: November 26, 2024
    Assignees: SHANGHAI FLEXIV ROBOTICS TECHNOLOGY CO., LTD., FLEXIV LTD.
    Inventors: Ran An, Tingke Song, Juncai Peng
  • Publication number: 20240305147
    Abstract: The present disclosure discloses a stator assembly. The stator assembly comprises: a stator core comprising a plurality of stator teeth, and any two adjacent ones of the plurality of stator teeth are provided with a stator slot therebetween; and a stator winding formed by a wire wound on the stator teeth, the stator winding being received in the stator slots. A cross section of the stator winding in a winding direction of the wire is a plurality of wires having orthohexagonal shapes, and any two adjacent ones of wires closely fit each other.
    Type: Application
    Filed: December 24, 2021
    Publication date: September 12, 2024
    Inventors: Ran AN, Tingke SONG, Kun ZENG, Chuneng CAO, Juncai PENG
  • Publication number: 20240300117
    Abstract: Provided are a gripper and a robot. The gripper includes a case, a plurality of gripping assemblies respectively assembled to the case, and a driving assembly configured to move the plurality of gripping assemblies. Each gripping assembly is provided with a fingertip at an end portion, and fingertips of the gripper are configured to cooperate with each other for grasping. Each gripping assembly further includes a gear set and a gear carrier rotatably connected to the case. The gear set includes a fixed gear, an intermediate gear and a fingertip gear engaged in sequence. The fixed gear is fixedly connected to the case, and the fingertip gear is fixedly connected to the fingertip. The intermediate gear and the fingertip gear are mounted to the gear carrier and respectively rotatably connected to the gear carrier. The driving assembly is configured to rotate the gear carrier.
    Type: Application
    Filed: June 13, 2022
    Publication date: September 12, 2024
    Inventors: Juncai PENG, Xiaojun WANG, Ran AN
  • Patent number: 11986950
    Abstract: A gripper includes a lead screw, a first gripping jaw and a second gripping jaw. The lead screw includes a spiral portion having at least one first spiral track and at least one second spiral track with opposite helical directions. A portion of a coverage of the first spiral track overlaps a portion of a coverage of the second spiral track along a length of the spiral portion. The first gripping jaw has a first pin extending into the first spiral track, and the second gripping jaw has a second pin extending into the second spiral track. When the spiral portion rotates, the first spiral track drives the first pin to allow a first linear movement of the first gripping jaw, and the second spiral track drives the second pin to allow a second linear movement of the second gripping jaw opposite to the first linear movement.
    Type: Grant
    Filed: October 13, 2020
    Date of Patent: May 21, 2024
    Assignees: SHANGHAI FLEXIV ROBOTICS TECHNOLOGY CO., LTD., FLEXIV LTD.
    Inventors: Ran An, Tingke Song, Juncai Peng
  • Patent number: 11892042
    Abstract: The present disclosure relates to a brake mechanism, a joint actuator and a robot. The brake mechanism includes a friction member configured to be fixed to a rotor of the motor, a brake member abutting against one side of the friction member, a pushing member abutting against the other side of the friction member and configured to provide an adjustable pushing force to the brake member, a locking mechanism configured to prevent the brake member from rotating according to a brake command.
    Type: Grant
    Filed: April 27, 2022
    Date of Patent: February 6, 2024
    Assignees: SHANGHAI FLEXIV ROBOTICS TECHNOLOGY CO., LTD., FLEXIV LTD.
    Inventors: Ran An, Juncai Peng
  • Publication number: 20230356414
    Abstract: A gripper with at least one gripping jaw is provided. The at least one gripping jaw includes a base, a gripping portion configured to contact an object, a flexible member connecting the base and the gripping portion, and a sensor assembly located between the base and the gripping portion. The flexible member is configured to enable the gripping portion to deflect with respect to the base when the gripping portion is subjected to a force in a first direction from the object. The sensor assembly is configured to generate a signal in response to the deflection of the gripping portion.
    Type: Application
    Filed: October 19, 2021
    Publication date: November 9, 2023
    Inventors: Ran AN, Juncai PENG, Tingke SONG
  • Publication number: 20230009941
    Abstract: A method of processing data for a target model, an electronic device, and a storage medium, which relate to a field of deep learning. The method of processing data for a target model includes: acquiring the target model, wherein the target model includes at least one network layer, and each network layer of the at least one network layer includes a plurality of model parameters; for a target network layer in the at least one network layer, dividing the plurality of model parameters of the target network layer into a plurality of groups; and adjusting a data type of the model parameters in the plurality of groups from a first data type to a second data type respectively, so as to obtain a processed target model.
    Type: Application
    Filed: September 7, 2022
    Publication date: January 12, 2023
    Applicant: BEIJING BAIDU NETCOM SCIENCE TECHNOLOGY CO., LTD.
    Inventors: Juncai PENG, Yujuan CHENG, Chunwei YAN, Qiwen LIU
  • Publication number: 20220305670
    Abstract: A gripper includes a lead screw, a first gripping jaw and a second gripping jaw. The lead screw includes a spiral portion having at least one first spiral track and at least one second spiral track with opposite helical directions. A portion of a coverage of the first spiral track overlaps a portion of a coverage of the second spiral track along a length of the spiral portion. The first gripping jaw has a first pin extending into the first spiral track, and the second gripping jaw has a second pin extending into the second spiral track. When the spiral portion rotates, the first spiral track drives the first pin to allow a first linear movement of the first gripping jaw, and the second spiral track drives the second pin to allow a second linear movement of the second gripping jaw opposite to the first linear movement.
    Type: Application
    Filed: October 13, 2020
    Publication date: September 29, 2022
    Inventors: Ran An, Tingke Song, Juncai Peng
  • Publication number: 20220305675
    Abstract: The present disclosure relates to a gripper and a robot. The gripper according to the present disclosure includes at least three guiding rails arranged head to tail in sequence, at least three gripping fingers respectively disposed on the at least three guiding rails and a driving mechanism. A first end of each of the gripping fingers is slidably connected to the corresponding guiding rail and a second end of each of the gripping fingers is for contacting the object to be gripped. The driving mechanism drives each of the gripping fingers to move along the corresponding guiding rail, so that the second end of each of the gripping fingers moves toward or away from a gripping center of the gripper.
    Type: Application
    Filed: October 16, 2020
    Publication date: September 29, 2022
    Inventors: Ran An, Tingke Song, Juncai Peng
  • Publication number: 20220252114
    Abstract: The present disclosure relates to a brake mechanism, a joint actuator and a robot. The brake mechanism includes a friction member configured to be fixed to a rotor of the motor, a brake member abutting against one side of the friction member, a pushing member abutting against the other side of the friction member and configured to provide an adjustable pushing force to the brake member, a locking mechanism configured to prevent the brake member from rotating according to a brake command.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 11, 2022
    Inventors: Ran An, Juncai PENG
  • Patent number: 11346410
    Abstract: The present disclosure relates to a brake mechanism, a joint actuator and a robot. The brake mechanism includes a friction member configured to be fixed to a rotor of the motor, a brake member abutting against one side of the friction member, a pushing member abutting against the other side of the friction member and configured to provide an adjustable pushing force to the brake member, a locking mechanism configured to prevent the brake member from rotating according to a brake command.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: May 31, 2022
    Assignees: SHANGHAI FLEXIV ROBOTICS TECHNOLOGY CO., LTD., FLEXIV LTD.
    Inventors: Ran An, Juncai Peng
  • Publication number: 20210088089
    Abstract: The present disclosure relates to a brake mechanism, a joint actuator and a robot. The brake mechanism includes a friction member configured to be fixed to a rotor of the motor, a brake member abutting against one side of the friction member, a pushing member abutting against the other side of the friction member and configured to provide an adjustable pushing force to the brake member, a locking mechanism configured to prevent the brake member from rotating according to a brake command.
    Type: Application
    Filed: October 23, 2019
    Publication date: March 25, 2021
    Inventors: Ran AN, Juncai PENG
  • Patent number: 10311560
    Abstract: A method for estimating a blur kernel size, the method including: (1) pre-processing a blurred image, to obtain an image, so that a size of the image satisfies an image input size of a multi-class convolutional neural network (CNN); (2) inputting the image into a multi-class CNN with completed training, to obtain a blur-kernel-size probability distribution vector; and (3) comparing each element in the blur-kernel-size probability distribution vector, so that an estimated blur kernel size of the blurred image is the blur kernel size corresponding to a largest element. The invention also provides a system for estimating a blur kernel size. The system includes an image pre-processing module, a training-set synthesizing module, a multi-class CNN module, and a blur kernel size estimation module.
    Type: Grant
    Filed: September 19, 2017
    Date of Patent: June 4, 2019
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Nong Sang, Lerenhan Li, Luxin Yan, Changxin Gao, Yuanjie Shao, Juncai Peng, Shiwei Zhang, Jin Wang
  • Publication number: 20180068430
    Abstract: A method for estimating a blur kernel size, the method including: (1) pre-processing a blurred image, to obtain an image, so that a size of the image satisfies an image input size of a multi-class convolutional neural network (CNN); (2) inputting the image into a multi-class CNN with completed training, to obtain a blur-kernel-size probability distribution vector; and (3) comparing each element in the blur-kernel-size probability distribution vector, so that an estimated blur kernel size of the blurred image is the blur kernel size corresponding to a largest element. The invention also provides a system for estimating a blur kernel size. The system includes an image pre-processing module, a training-set synthesizing module, a multi-class CNN module, and a blur kernel size estimation module.
    Type: Application
    Filed: September 19, 2017
    Publication date: March 8, 2018
    Inventors: Nong SANG, Lerenhan LI, Luxin YAN, Changxin GAO, Yuanjie SHAO, Juncai PENG, Shiwei ZHANG, Jin WANG
  • Patent number: 9904987
    Abstract: The invention discloses a method for correcting aero-optical thermal radiation noise, comprising steps of: pretreating a degraded image to obtain a multi-scale degraded image group, conducting iteration process of obtaining an optimal solution by using a last scale estimation result as an original value of next scale estimation according to the multi-scale degraded image group, thereby facilitating original-scale bias field estimation, and restoring the degraded image according to the original-scale bias field estimated value thereby obtaining an image after aero-optical thermal radiation noise correction. The invention also discloses a system for correcting aero-optical thermal radiation noise. The invention is capable of solving problems with conventional methods, comprising poor correction effect, high complexity, and incapability in correcting the thermal radiation noise at an image level, and applicable to restoration of an image with aero-optical thermal radiation noise.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: February 27, 2018
    Assignee: Huazhong University of Science and Technology
    Inventors: Lerenhan Li, Nong Sang, Changxin Gao, Luxin Yan, Jin Wang, Shiwei Zhang, Yuanjie Shao, Juncai Peng
  • Publication number: 20170278220
    Abstract: The invention discloses a method for correcting aero-optical thermal radiation noise, comprising steps of: pretreating a degraded image to obtain a multi-scale degraded image group, conducting iteration process of obtaining an optimal solution by using a last scale estimation result as an original value of next scale estimation according to the multi-scale degraded image group, thereby facilitating original-scale bias field estimation, and restoring the degraded image according to the original-scale bias field estimated value thereby obtaining an image after aero-optical thermal radiation noise correction. The invention also discloses a system for correcting aero-optical thermal radiation noise. The invention is capable of solving problems with conventional methods, comprising poor correction effect, high complexity, and incapability in correcting the thermal radiation noise at an image level, and applicable to restoration of an image with aero-optical thermal radiation noise.
    Type: Application
    Filed: March 17, 2016
    Publication date: September 28, 2017
    Inventors: Lerenhan LI, Nong SANG, Changxin GAO, Luxin YAN, Jin WANG, Shiwei ZHANG, Yuanjie SHAO, Juncai PENG