Patents by Inventor Baoguo XU

Baoguo XU 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).

  • Publication number: 20240374536
    Abstract: A low-carbon, green and efficient preparation method for soybean oil body-curcumin emulsion includes following steps: soybeans are mixed with NaHCO3 solution at a ratio of 1:7, soaked in the NaHCO3 solution at 4° C. for 20 h and blended with a blender for 6 min to obtain soybean slurry, pH of the soybean slurry is adjusted to 11.0, then the soybean slurry is stirred for 2 h at 50° C. in a water bath to obtain stirred slurry, the stirred slurry is filtered to obtain a suspension, and the suspension is centrifuged to obtain a soybean oil body; curcumin is dissolved with 0.2 M NaOH and then mixed with the soybean oil body to obtain a mixed emulsion, and pH of the mixed emulsion is adjusted to 6.5-8.0 and then the mixed emulsion is stirred for 30 min in dark to obtain the soybean oil body-curcumin emulsion.
    Type: Application
    Filed: May 8, 2024
    Publication date: November 14, 2024
    Inventors: Duoxia Xu, Yanbo Wang, Baoguo Sun, Wenwen Lv, Wei Chen, Xiaoyu Li, Shaojia Wang, Bei Wang
  • Publication number: 20240359320
    Abstract: Disclosed in the present disclosure is a method for identifying skills of a human-machine cooperation robot based on a generative adversarial imitation learning, which includes: firstly, defining classifications of human-machine cooperation skills that needed to be conducted; conducing demonstrations on different classifications of the skills by human experts, and collecting image information and data in the demonstrations to make calibrations; identifying the image information by means of image processing, extracting effective feature vectors capable of clearly distinguishing the different classifications of the skills and taking the effective feature vectors as demonstration teaching data; training a plurality of discriminators respectively by utilizing the acquired demonstration teaching data through a method of the generative adversarial imitation learning; extracting user's data after the training and putting the data into different discriminators, and taking a discriminator corresponding to a maximum va
    Type: Application
    Filed: August 12, 2022
    Publication date: October 31, 2024
    Inventors: Baoguo XU, Yifei WANG, Xin WANG, Jiajing WANG, Aiguo SONG
  • Publication number: 20240328876
    Abstract: A six-dimensional force sensor elastomer structure based on improved cross beam includes main beams, first floating beams, second floating beams, square corners and thin film strain gauges. Strain gauges are sputtered on the main beams and the first floating beams to form a plurality of sets of Wheatstone bridges. When an input force/moment of a certain dimension acts on the center of an elastomer, the sensor is deformed and resistance values of strain gauges at corresponding positions change, so that output voltages of corresponding bridges are changed.
    Type: Application
    Filed: April 28, 2024
    Publication date: October 3, 2024
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Aiguo SONG, Jingjing XU, Yuhan CHEN, Baoguo XU, Huijun LI
  • Publication number: 20240328872
    Abstract: A combined six-dimensional force sensor based on thin-film sputtering technology includes a force transmission table, a cross beam, a base, a top cover, a bottom cover and strain gauges. Strain gauges are sputtered on the elastomer structure to form six sets of Wheatstone bridges. The measurement method of the six-dimensional force sensor is that: an input force/moment of a certain dimension acts on the elastomer structure including the force transmission table and the cross beam through the top cover, the cross beam is deformed and resistance values of strain gauges at corresponding positions change, and output voltages of corresponding bridges change.
    Type: Application
    Filed: April 29, 2024
    Publication date: October 3, 2024
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Aiguo SONG, Yuhan CHEN, Jingjing XU, Baoguo XU, Huijun LI
  • Publication number: 20240324649
    Abstract: A multi-frequency ultrasound coupled multi-nozzle food additive manufacturing device and method are provided. A multi-frequency ultrasound coupling printing system is set up on a multi-nozzle additive manufacturing device, which improves the rheological properties of high-viscosity and large-particle food ink by generating a cavitation effect through the high-frequency vibration of ultrasound and improves the printability of food ink while retaining the nutrients and texture of the food ink. The application of the multi-frequency ultrasound coupled multi-nozzle device to food additive manufacturing enables it to achieve a smaller nozzle diameter and higher printing speed than conventional additive manufacturing systems, which improves the printability of the food ink while realizing large-scale production.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 3, 2024
    Applicant: JIANGSU UNIVERSITY
    Inventors: Baoguo XU, Min FENG, Lin LIN, Jingfu PAN, Xiaofeng REN, Cunshan ZHOU, Haile MA
  • Publication number: 20240328873
    Abstract: A combined structure for thin film sputtering high-precision six-dimensional force sensor includes a cross beam, a double U-shaped beam, a base, a top cover, a bottom cover and thin film strain gauges. Strain gauges are sputtered on the main beam to form six sets of Wheatstone bridges, with three sets on the cross beam and three sets on the double U-shaped beam. The measurement method of the six-dimensional force sensor is that: an input force/moment of a certain dimension acts on the center of the cross beam and the center of the double U-shaped beam, so that the sensor is deformed and resistance values of strain gauges at corresponding positions change, thereby changing output voltages of corresponding bridges.
    Type: Application
    Filed: May 5, 2024
    Publication date: October 3, 2024
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Aiguo SONG, Jingjing XU, Yuhan CHEN, Baoguo XU, Huijun LI
  • Patent number: 12083064
    Abstract: A exoskeleton finger rehabilitation training device includes an exoskeleton finger rehabilitation training mechanism including a supporting base, a finger sleeve actuating mechanism, and a finger joint sleeve connected to a power output end of the finger sleeve actuating mechanism, wherein the finger joint sleeve can be sheathed at the periphery of a finger joint to be rehabilitated, and the finger joint sleeve can be driven by the power actuation of the finger sleeve actuating mechanism to drive the finger joint to be rehabilitated in order to passively bend or stretch; the supporting base includes a profiled shell, with an inner surface of the profiled shell being configured based on the profile of the complete back of a palm or part of the back of the palm, and with the back of the profiled shell being provided with a power fixed base.
    Type: Grant
    Filed: June 28, 2020
    Date of Patent: September 10, 2024
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Jianwei Lai, Huijun Li, Jianqing Li, Baoguo Xu, Hong Zeng, Jun Zhang
  • Patent number: 12064884
    Abstract: The present disclosure discloses an automated calibration system and calibration method for a flexible robot actuator. The calibration system includes a support frame. A visual positioning system, a pressure measuring system and a pneumatic pressure control system are respectively installed on the support frame. The visual positioning system is configured to measure a relative displacement and an angle between two ends of the flexible actuator. The pneumatic pressure control system is configured to charge air into an actuating end of the flexible actuator and measure an input pneumatic pressure of the flexible actuator. The pressure measuring system includes a pressure gauge installed on the support frame through a vertical axis motor system, and the flexible actuator to be calibrated installed on the support frame through a horizontal axis motor system and a rotating motor system.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: August 20, 2024
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Jianwei Lai, Huijun Li, Hong Zeng, Baoguo Xu
  • Publication number: 20240189995
    Abstract: A cable force control method includes: establishing a friction model, and calibrating parameters; and calculating the parameters in real time, and controlling a force: identifying the parameters according to the friction model to obtain parameters of an auxiliary cable Bowden system and a power Bowden system: a friction coefficient ?a of the auxiliary cable Bowden system, and a friction coefficient ?p of the power cable Bowden system; calculating the auxiliary cable Bowden system ?a in real time according to the model and a force value of a sensor, and using same as a cable bending angle of the power cable Bowden system ?; and obtaining an inverse control formula Fin=Fout·e?u?? according to the friction model, and bringing the power cable Bowden system ?p into the inverse control formula to serve as a feedforward controller, so as to achieve an effect of real-time force control.
    Type: Application
    Filed: December 27, 2023
    Publication date: June 13, 2024
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Huijun LI, Ye LU, Aiguo SONG, Ye LI, Baoguo XU
  • Patent number: 11965620
    Abstract: The present invention discloses a pipeline patrol inspection robot having variable tracks and a control method therefor. The pipeline patrol inspection robot of the present invention includes a robot body, track assemblies symmetrically disposed on a left side and a right side of the robot body, and a movement driving mechanism. The robot body is connected to the track assemblies on the left side and the right side by track fixtures, and track angle adjusting mechanisms are respectively connected between the robot body and the track assemblies on the left side and the right side. By means of the present invention, a track camber angle can be adjusted. In addition, each track angle adjusting mechanism is independent, and has desirable flexibility to adapt to different pipeline environments.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: April 23, 2024
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Tianyuan Miao, Bincheng Shao, Baoguo Xu, Guangming Song, Bo Xu, Shuang Liu, Jihai Min
  • Publication number: 20240094072
    Abstract: A miniature combined multi-axis force sensor structure includes a sensor body, a first shell and a second shell, two horizontal main beams and two vertical main beams are arranged on the periphery of an inner round platform in a cross shape, tail ends of the horizontal main beams and the vertical main beams are each connected to a vertical floating beam, and the horizontal floating beams consist of two thin-walled cambered beams; two ends of the horizontal floating beam are each connected to an outer round platform by means of an annular platform; the sensor body is arranged between the first shell and the second shell; strain gauges are stuck on the horizontal main beams and the vertical main beams to form two Wheatstone bridges; and when force/torque acts on the cross beam, the sensor deforms, and the resistance value of strain gauge at corresponding position changes.
    Type: Application
    Filed: May 12, 2022
    Publication date: March 21, 2024
    Applicant: SOUTHEAST UNIVERSITY
    Inventors: Aiguo SONG, Jingjing XU, Shuyan YANG, Baoguo XU, Huijun LI, Ruqi MA
  • Patent number: 11920993
    Abstract: A miniature combined multi-axis force sensor structure includes a sensor body, a first shell and a second shell, two horizontal main beams and two vertical main beams are arranged on the periphery of an inner round platform in a cross shape, tail ends of the horizontal main beams and the vertical main beams are each connected to a vertical floating beam, and the horizontal floating beams consist of two thin-walled cambered beams; two ends of the horizontal floating beam are each connected to an outer round platform by means of an annular platform; the sensor body is arranged between the first shell and the second shell; strain gauges are stuck on the horizontal main beams and the vertical main beams to form two Wheatstone bridges; and when force/torque acts on the cross beam, the sensor deforms, and the resistance value of strain gauge at corresponding position changes.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: March 5, 2024
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Jingjing Xu, Shuyan Yang, Baoguo Xu, Huijun Li, Ruqi Ma
  • Patent number: 11867578
    Abstract: The present invention discloses a high-precision and miniaturized on-orbit calibration device for a six-dimensional force sensor of a space station manipulator and a calibration method thereof, which include an inverted ? shape fixing bracket, three force applying devices, and a cubic stress block. Each force applying device includes a force applying head, a single axis force sensor, a force source part and a fastening part. The force source part includes an upper support plate, a second electrode plate, piezoelectric ceramic plates, a first electrode plate and a lower support plate, which are coaxially arranged sequentially from top to bottom. The single axis force sensor is mounted on the top of the upper support plate, and the hemispherical force applying head is mounted on the top of the single axis force sensor. The cubic stress block is mounted on the top of the six-dimensional force sensor.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: January 9, 2024
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Shuyan Yang, Baoguo Xu, Yonghui Zhou, Qimeng Tan, Changchun Liang, Ming Wei, Chunhui Wang, Fan Li, Suinan Zhang
  • Patent number: 11771613
    Abstract: A robot system for active and passive upper limb rehabilitation training based on a force feedback technology includes a robot body and an active and passive training host computer system. Active and passive rehabilitation training may be performed at degrees of freedom such as adduction/abduction and flexion/extension of left and right shoulder joints, and flexion/extension of left and right elbow joints according to a condition of a patient. In a passive rehabilitation training mode, the robot body drives the upper limb of the patient to move according to a track specified by the host computer, to gradually restore a basic motion function of the upper limb. In an active rehabilitation training mode, the patient holds the tail ends of the robot body with both hands to interact with a rehabilitation training scene, and can feel real and accurate force feedback.
    Type: Grant
    Filed: August 18, 2020
    Date of Patent: October 3, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Yiting Mo, Huanhuan Qin, Huijun Li, Baoguo Xu
  • Patent number: 11717461
    Abstract: A palm-supported finger rehabilitation training device comprises a mounting base, a finger rehabilitation training mechanism mounted on the mounting base, and a driving mechanism for driving the finger rehabilitation training mechanism; wherein the finger rehabilitation training mechanism comprises four independent and structurally identical combined transmission devices for finger training corresponding to a forefinger, a middle finger, a ring finger and a little finger of a human hand, respectively, and the mounting base is provided with a supporting surface capable of supporting a human palm; wherein each combined transmission device for finger training comprises an MP movable chute, a PIP fingerstall, a DIP fingerstall and a connecting rod transmission mechanism; a force sensor is provided to acquire force feedback information to determine and control force stability, and a space sensor is provided to acquire space angle information to control space positions of fingers in real time.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: August 8, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Jianwei Lai, Huijun Li, Hong Zeng, Baoguo Xu
  • Patent number: 11701289
    Abstract: A rehabilitation glove based on a bidirectional driver of a honeycomb imitating structure, including five bidirectional drivers and a cotton glove. The drivers are fixed to a back of the glove through hook and loop fasteners. Each driver includes a hollow buckling air bag in a continuous bent state, a middle guide layer in a continuous bent state and a hollow stretching air bag. The buckling air bag and the middle guide layer are symmetrically arranged, and the stretching air bag in a straightened state is arranged below the middle guide layer. A novel bidirectional driver of a honeycomb imitating structure is provided, which may provide a patient with rehabilitation training in two degrees of freedom: buckling and stretching. A control algorithm of the bidirectional driver is further provided to perform force control output for the driver, which may better help the patient recover hand functions.
    Type: Grant
    Filed: January 6, 2022
    Date of Patent: July 18, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Jianwei Lai, Huijun Li, Hong Zeng, Baoguo Xu, Ting Wu
  • Publication number: 20230211504
    Abstract: The present disclosure discloses an automated calibration system and calibration method for a flexible robot actuator. The calibration system includes a support frame. A visual positioning system, a pressure measuring system and a pneumatic pressure control system are respectively installed on the support frame. The visual positioning system is configured to measure a relative displacement and an angle between two ends of the flexible actuator. The pneumatic pressure control system is configured to charge air into an actuating end of the flexible actuator and measure an input pneumatic pressure of the flexible actuator. The pressure measuring system includes a pressure gauge installed on the support frame through a vertical axis motor system, and the flexible actuator to be calibrated installed on the support frame through a horizontal axis motor system and a rotating motor system.
    Type: Application
    Filed: January 6, 2022
    Publication date: July 6, 2023
    Inventors: Aiguo SONG, Jianwei LAI, Huijun LI, Hong ZENG, Baoguo XU
  • Patent number: 11690773
    Abstract: A wearable upper limb rehabilitation training robot with precise force control includes a wearable belt, a multi-degree-of-freedom robot arm, and a control box. The robot is worn on the waist of a person by using a belt, and driven by active actuators, to implement active and passive rehabilitation training in such degrees of freedom as adduction/abduction/anteflexion/extension of left and right shoulder joints and anteflexion/extension of left and right elbow joints. In addition, a force/torque sensor is mounted on a tip of the robot arm, to obtain a force between the tip of the robot arm and the human hand during rehabilitation training as a feedback signal, to adjust an operating state of the robot, thereby realizing the precise force control during the rehabilitation training.
    Type: Grant
    Filed: June 12, 2020
    Date of Patent: July 4, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Yiting Mo, Huanhuan Qin, Huijun Li, Baoguo Xu
  • Patent number: 11680863
    Abstract: A method for reducing hysteresis error and high frequency noise error of capacitive tactile sensors includes the following steps: step 1: calibration, specifically including positive stroke calibration to form n positive stroke curves and negative stroke calibration to form n negative stroke curves; step 2: averaging, specifically including positive stroke averaging to form an average positive stroke curve, negative stroke averaging to form an average negative stroke curve, and comprehensive averaging to form a comprehensive stroke curve; step 3: fitting modeling, to obtain a positive stroke fitting function, a negative stroke fitting function, and a comprehensive fitting function; step 4: measurement; step 5: noise filtering; step 6: stroke direction discrimination; and step 7: resolving, to obtain the force at the current time by using a corresponding fitting function based on the stroke direction discrimination result.
    Type: Grant
    Filed: July 1, 2020
    Date of Patent: June 20, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Shuyan Yang, Baoguo Xu, Huijun Li, Hong Zeng, Lifeng Zhu
  • Patent number: 11650117
    Abstract: The present invention discloses a six-dimensional force sensor with high sensitivity and low inter-dimensional coupling, including a clockwise or counterclockwise swastika-shaped beam, vertical beams, a rectangular outer frame, and strain gauges; the clockwise or counterclockwise swastika-shaped beam includes a cross-shaped transverse beam and four rectangular transverse beams; a center of the cross-shaped transverse beam is provided with several force application holes used for applying forces and moments; four tail ends of the cross-shaped transverse beam are each connected to one of the rectangular transverse beams to form a clockwise or counterclockwise swastika-shaped structure; a top end of a vertical beam is connected to a tail end of a corresponding rectangular transverse beam, and bottom ends of the vertical beams are connected to the rectangular outer frame; and there are a plurality of strain gauges to form six groups of Wheatstone bridges that are respectively used for measuring an X-direction for
    Type: Grant
    Filed: April 22, 2020
    Date of Patent: May 16, 2023
    Assignee: SOUTHEAST UNIVERSITY
    Inventors: Aiguo Song, Shuyan Yang, Baoguo Xu, Ming Wei, Chunhui Wang, Fan Li, Yuhua Yao, Yanjun Li, Suinan Zhang, Qiong Jin