Patents by Inventor Huayan PU

Huayan PU 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: 11489104
    Abstract: An electromagnetic-piezoelectric composite vibration control device based on a synchronized switch damping technology is provided. An upper guiding component is installed inside the upper rigid frame, a lower guiding component is installed inside a lower rigid component, a guide rod is nested inside the upper guiding component and the lower guiding component, an upper idler wheel mechanism and a lower idler wheel mechanism are fixedly sleeved on the guide rod and are positioned between the upper guiding component and the lower guiding component respectively, an electromagnetic mechanism is fixedly sleeved outside the guide rod, one end of each piezoelectric cantilever beam is fixed between the upper rigid frame and the lower rigid frame, the other end is arranged between the upper idler wheel mechanism and the lower idler wheel mechanism, and the piezoelectric cantilever beams and the electromagnetic mechanism are connected with a circuit system respectively.
    Type: Grant
    Filed: November 14, 2019
    Date of Patent: November 1, 2022
    Assignee: Shanghai University
    Inventors: Huayan Pu, Dong Zhang, Min Wang, Jun Luo, Yi Sun, Chaoqun Duan, Shunqi Zhang, Yan Peng, Shaorong Xie
  • Publication number: 20220282766
    Abstract: The present disclosure discloses a Stewart vibration isolation platform with Macro Fiber Composite (MFC) plates. The vibration isolation platform includes: an upper load platform, a lower foundation platform, a controller, and a plurality of single-leg vibration isolation unit groups arranged between the upper load platform and the lower foundation platform. Each of the single-leg vibration isolation unit groups includes two single-leg vibration isolation units. The single-leg vibration isolation unit includes a first diaphragm spring and a second diaphragm spring. An MFC actuator and an MFC sensor are respectively arranged on two sides of the first diaphragm spring and the second diaphragm spring. The MFC actuators and the MFC sensors are all connected to the controller.
    Type: Application
    Filed: March 4, 2022
    Publication date: September 8, 2022
    Inventors: Huayan Pu, Xuan Fang, Min Wang, Yi Sun, Jiheng Ding, Yan Peng, Shaorong Xie, Jun Luo
  • Patent number: 11412810
    Abstract: A shoe energy collecting device includes a shell, a piezoelectric assembly, an elastic component, a magnet array, a base, a supporting block, an upper friction assembly and a lower friction assembly. The shell includes a supporting shell and a plastic shell connected in sequence. The base is provided below the supporting block in the supporting shell, the lower friction assembly is provided between the supporting block and the base. The upper friction assembly is provided on an inner wall of a top surface of the plastic shell. A coil is provided on a lower surface of the lower friction assembly at a side of the plastic shell, and the magnet array is provided below the coil. The piezoelectric assembly is provided in the plastic shell, the elastic component is provided on a side wall of the plastic shell away from the supporting block, and connected with the piezoelectric assembly.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: August 16, 2022
    Assignee: Shanghai University
    Inventors: Zhongjie Li, Fan Shen, Yan Peng, Jun Luo, Shaorong Xie, Huayan Pu
  • Publication number: 20220243782
    Abstract: A horizontally arranged six-degree-of-freedom constant-stiffness mechanism is provided, and includes an upper platform, a bottom plate, three composite spherical hinges, spherical hinges, support rods, guide rail slider assemblies, and six electromagnetic adjustable stiffness units. Two ends of a shaft on which a permanent magnet is fixed in each electromagnetic adjustable stiffness unit are fixed to the bottom plate via shaft supports. Axially moving housings of electromagnetic adjustable stiffness units are fixed on sliders of the guide rail slider assemblies via slider backing plates respectively. Guide rail slider assembles are fixed on the bottom plate. Tops of the housings are mounted with the spherical hinges respectively. A bottom of the upper platform is uniformly mounted with the composite spherical hinges. One end of each support rod is threadedly connected to a corresponding one of the spherical hinges, and another end is connected with a corresponding one of composite spherical hinges.
    Type: Application
    Filed: July 12, 2021
    Publication date: August 4, 2022
    Inventors: Huayan PU, Tong WANG, Qimin LI, Jinglei ZHAO, Jun LUO, Jie MA
  • Publication number: 20220214688
    Abstract: A method and system for controlling multi-unmanned surface vessel (USV) collaborative search are disclosed which relate to the technical field of the marine intelligent USV collaborative operation. The method includes determining a task region of a USV team; determining environmental perception information corresponding to each of the USVs at the current moment according to the task region and the probability graph mode; inputting the environmental perception information corresponding to each of the USVs at the current moment into the corresponding target search strategy output model respectively to obtain an execution action of each of the USVs at the next moment; sending the execution action of each of the USVs at the next moment to a corresponding USV execution structure to search for underwater targets within the task region. The target search strategy output model is obtained by training based on a training sample and a DDQN network structure.
    Type: Application
    Filed: September 8, 2021
    Publication date: July 7, 2022
    Inventors: Huayan PU, Yuan LIU, Jun LUO, Zhijiang XIE, Xiaomao LI, Jiajia XIE, Zhou SU, Yan PENG, Shaorong XIE
  • Publication number: 20220215758
    Abstract: A control method and system for collaborative interception by multiple unmanned surface vessels are provided. The method includes obtaining task environment information of each unmanned surface vessel in an unmanned surface vessel group at a current moment, estimating interception point information of the intruding target at the current moment by using a Kalman filter according to the task environment information of the unmanned surface vessels at the current moment, determining process state information of each unmanned surface vessel at the current moment, inputting the process state information of each unmanned surface vessel at the current moment into a corresponding intruding target interception policy output model respectively to obtain an execution action of each unmanned surface vessel at a next moment to intercept the intruding target. The application can intercept the intruding target accurately.
    Type: Application
    Filed: September 7, 2021
    Publication date: July 7, 2022
    Inventors: Huayan PU, Yuan LIU, Jun LUO, Zhijiang XIE, Jiajia XIE, Xiaomao LI, Zhou SU, Yan PENG, Hengyu LI, Shaorong XIE
  • Publication number: 20220205427
    Abstract: A triboelectric nanogeneration module, and a combined wind turbine and a method thereof. The triboelectric nanogeneration module includes a rotating disc, and moving friction plates and fixed friction plates that are oppositely arranged outside the radial direction of the rotating disc. A nano-friction material layer is arranged on the surface of each of the moving friction plates and the fixed friction plates. Driving devices are arranged on the rotating disc in the circumferential direction at intervals. The driving devices are used for extruding the moving friction plates to move to the positions at which the moving friction plates are in contact with the fixed friction plates. The moving friction plates are connected to reset devices used for separating the moving friction plates from the fixed friction plates. The moving friction plates perform straight reciprocating movement under the action of the driving devices and the reset devices.
    Type: Application
    Filed: May 19, 2021
    Publication date: June 30, 2022
    Inventors: Yan Peng, Chuanfu Xin, Zhongjie Li, Jun Luo, Shaorong Xie, Huayan Pu
  • Patent number: 11359692
    Abstract: The present disclosure discloses a piezoelectric self-powered combination beam vibration damper and a control method thereof. An upper guiding component is installed inside an upper rigid frame, a lower guiding component is installed inside a lower rigid component, a guide rod is nested inside the upper guiding component and the lower guiding component, an upper elastic component is sleeved outside the upper idler wheel mechanism, a lower elastic component is sleeved outside the lower idler wheel mechanism, one end of each piezoelectric cantilever beam is fixed between the upper rigid frame and the lower rigid frame, the other end of each piezoelectric cantilever beam is arranged between the upper idler wheel mechanism and the lower idler wheel mechanism, at least one piezoelectric cantilever beam is connected with the input end of a circuit system, and other piezoelectric cantilever beams are connected with the output end of the circuit system.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: June 14, 2022
    Assignees: Chongqing University, Shanghai University
    Inventors: Jun Luo, Dong Zhang, Min Wang, Huayan Pu, Yi Sun, Chaoqun Duan, Shunqi Zhang, Yan Peng, Shaorong Xie
  • Publication number: 20220178341
    Abstract: An ocean energy collection device is provided. The device includes a first friction assembly, a second friction assembly, and a gravity center adjustment assembly disposed in sequence from outside to inside, and a control and energy storage assembly arranged on the gravity center adjustment assembly. The first friction assembly includes a spherical housing, a first electrode layer, and a first friction layer which are disposed in sequence from outside to inside. The second friction assembly includes a tumbler-shaped shell, a second electrode layer, and a second friction layer which are disposed in sequence from inside to outside. The gravity center adjustment assembly is fixed in the tumbler-shaped shell. The first friction assembly and the second friction assembly can realize electrification by friction. The first electrode layer, the second electrode layer, and the gravity center adjustment assembly are connected with the control and energy storage assembly.
    Type: Application
    Filed: December 3, 2021
    Publication date: June 9, 2022
    Applicant: Shanghai University
    Inventors: Yan Peng, Fan Shen, Zhongjie Li, Jun Luo, Shaorong Xie, Huayan Pu
  • Publication number: 20220175079
    Abstract: A shoe energy collecting device includes a shell, a piezoelectric assembly, an elastic component, a magnet array, a base, a supporting block, an upper friction assembly and a lower friction assembly. The shell includes a supporting shell and a plastic shell connected in sequence. The base is provided below the supporting block in the supporting shell, the lower friction assembly is provided between the supporting block and the base. The upper friction assembly is provided on an inner wall of a top surface of the plastic shell. A coil is provided on a lower surface of the lower friction assembly at a side of the plastic shell, and the magnet array is provided below the coil. The piezoelectric assembly is provided in the plastic shell, the elastic component is provided on a side wall of the plastic shell away from the supporting block, and connected with the piezoelectric assembly.
    Type: Application
    Filed: November 30, 2021
    Publication date: June 9, 2022
    Applicant: SHANGHAI UNIVERSITY
    Inventors: Zhongjie LI, Fan SHEN, Yan PENG, Jun LUO, Shaorong XIE, Huayan PU
  • Patent number: 11309808
    Abstract: An electromagnetic and triboelectric hybrid energy collector for low-frequency movement is provided. The electromagnetic and triboelectric hybrid energy collector comprises an electromagnetic module, triboelectric modules and spring mass modules. The electromagnetic module includes a shell, a magnet frame, a magnet array, coil arrays, coil frames and coil magnetic conductive columns. The spring mass modules include respective springs, respective mass blocks and respective end caps. The triboelectric modules include multiple nano-friction power generation units which are connected in sequence. When the energy collector is excited to move a magnet assembly. The electromagnetic module generates voltage according to the Faraday's law of electromagnetic induction. The movement of the magnet assembly generated by external excitation may also cause contact and separation between triboelectric units to generate voltage.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: April 19, 2022
    Assignee: SHANGHAI UNIVERSITY
    Inventors: Zhongjie Li, Xuzhang Peng, Yan Peng, Jun Luo, Shaorong Xie, Huayan Pu
  • Publication number: 20220003532
    Abstract: The present invention discloses a quasi-zero-stiffness (QZS) based six-degree-of-freedom (6-DOF) absolute displacement and attitude measurement device. A lower end coil and an upper end coil are respectively charged with currents in the opposite directions; The electromagnetic field and the magnetic fields of an upper magnet and a lower magnet per se are mutually acted to produce an electromagnetic stiffness opposite to the stiffness of a spring. The stiffness of the whole leg is close to zero stiffness. When the to-be-measured platform generates space motion, the reference platform is in the stationary state. At this point, the deformation amounts of the six legs can be measured by laser displacement sensors. The six deformation amounts are respectively inputted into the displacement and attitude resolver, and by forward kinematic solution of the 6-DOF device, the displacement and the attitude of the to-be-measured platform can be obtained.
    Type: Application
    Filed: December 14, 2020
    Publication date: January 6, 2022
    Inventors: Huayan Pu, Jinglei Zhao, Jun Luo, Jiyun Zhao, Qinghua Kong, Jiheng Ding, Min Wang, Yi Sun, Zong Li, Long Bai, Yan Peng, Shaorong Xie
  • Publication number: 20210404529
    Abstract: The present disclosure provides a single-degree-of-freedom (SDOF) magnetic damping shock absorber based on an eddy current effect, comprising a lower plate, a ring-shaped magnet a, a ring-shaped magnet b, an aluminum cylinder, a bottom copper sheet, a copper sheet, a top copper sheet, a bearing seat, a linear bearing, a bearing end cap, a load, a piston shaft, a stepped shaft, a fixed collar, a coil spring, a lower clamping shaft, and fixing screws. When the shock absorber is working, the ring-shaped magnet a keeps stationary at the lower end and the ring-shaped magnet b reciprocates in the vertical direction. Both magnets are arranged in a mutual attraction manner. Under the action of a time-varying electromagnetic field generated by the relative movement of the ring-shaped magnet b, the copper sheet arranged between the two ring-shaped magnets generates eddy current damping. The movement of the ring-shaped magnet b is inhibited.
    Type: Application
    Filed: June 30, 2021
    Publication date: December 30, 2021
    Applicants: Shanghai University, Chongqing University
    Inventors: Huayan PU, Wenyuan HE, Wenjiang WU, Min WANG, Jun LUO, Jiheng DING, Yi SUN, Long BAI, Yan PENG, Shaorong XIE
  • Publication number: 20210379946
    Abstract: A wheel-legged amphibious mobile robot with a variable attack angle, which belongs to the technical field of robot structure technology. The robot includes three parts: motion unit, body trunk and power unit. As a key structure, the motion unit mainly includes a moving mechanism, a wheel assembly, a telescopic mechanism and a transmission device. The robot drives the telescopic mechanism to reciprocate linearly through a gear and rack set, and pushes “legs” to expand and retract, so as to realize a mutual switching between a wheeled mode and a gait mode. Under transmission of bevel gear set, the blades can rotate at any same angle at the same time, to change the attack angle and realize the steering. The robot provided by the present disclosure can effectively adapt to a complex and harsh amphibious environment, and meet a series of operation requirements such as rapid movement, obstacle climbing, underwater steering.
    Type: Application
    Filed: September 4, 2020
    Publication date: December 9, 2021
    Inventors: Yi SUN, Longteng ZHANG, Huayan PU, Min WANG, Yan PENG, Jiheng DING, Jun LUO, Shaorong XIE
  • Publication number: 20210088103
    Abstract: The present disclosure discloses a piezoelectric self-powered combination beam vibration damper and a control method thereof. An upper guiding component is installed inside an upper rigid frame, a lower guiding component is installed inside a lower rigid component, a guide rod is nested inside the upper guiding component and the lower guiding component, an upper elastic component is sleeved outside the upper idler wheel mechanism, a lower elastic component is sleeved outside the lower idler wheel mechanism, one end of each piezoelectric cantilever beam is fixed between the upper rigid frame and the lower rigid frame, the other end of each piezoelectric cantilever beam is arranged between the upper idler wheel mechanism and the lower idler wheel mechanism, at least one piezoelectric cantilever beam is connected with the input end of a circuit system, and other piezoelectric cantilever beams are connected with the output end of the circuit system.
    Type: Application
    Filed: November 18, 2019
    Publication date: March 25, 2021
    Applicants: Chongqing University, Shanghai University
    Inventors: Jun LUO, Dong ZHANG, Min WANG, Huayan PU, Yi SUN, Chaoqun DUAN, Shunqi ZHANG, Yan PENG, Shaorong XIE
  • Publication number: 20210091296
    Abstract: The present invention discloses an electromagnetic-piezoelectric composite vibration control device based on a synchronized switch damping technology, and relates to the technical field of vibration abatement.
    Type: Application
    Filed: November 14, 2019
    Publication date: March 25, 2021
    Applicant: Shanghai University
    Inventors: Huayan Pu, Dong Zhang, Min Wang, Jun Luo, Yi Sun, Chaoqun Duan, Shunqi Zhang, Yan Peng, Shaorong Xie
  • Publication number: 20210088104
    Abstract: Disclosed is a self-powered vibration damper based on piezoelectricity and a control method. The damper comprises a loading platform, an energy collecting mechanism, a curved leaf spring, a vibration control mechanism and a substrate all connected in sequence, the circuit system comprises a rectifier circuit, a DC-DC voltage conversion circuit, an energy storage circuit, a control circuit and a charging battery, a first piezoelectric stack is connected with the input end of the rectifier circuit, the output end of the rectifier circuit is connected with the input end of the DC-DC voltage conversion circuit, the output end of the DC-DC voltage conversion circuit is connected with the input ends of the energy storage circuit and the charging battery, the output end of the energy storage circuit is connected with the input end of the control circuit, the output end of the control circuit is connected with the second piezoelectric stack.
    Type: Application
    Filed: December 12, 2019
    Publication date: March 25, 2021
    Inventors: Min Wang, Dong Zhang, Jun Luo, Huayan Pu, Yi Sun, Chaoqun Duan, Shunqi Zhang, Yan Peng, Shaorong Xie
  • Publication number: 20210037811
    Abstract: The present invention discloses an afterload device for ex situ heart perfusion, which includes an afterload energy storage module, a pressure regulation module and two flow rate regulators that are connected through a conduit. The afterload energy storage module includes a rigid closed container and a flexible container. The perfusion fluid flows into the flexible container from one side thereof through the conduit, and the perfusion fluid flows out from the flexible container at another side thereof as the flexible container is subjected to the action of the medium pressure in the rigid hermetic container. The pressure regulation module includes two pressure regulation valves and a compressible-medium source, for regulating the pressure range within the rigid hermetic container to be always maintained between the set diastolic pressure and the set systolic pressure.
    Type: Application
    Filed: June 24, 2020
    Publication date: February 11, 2021
    Applicant: SHANGHAI UNIVERSITY
    Inventors: Yan Peng, Zhibing Xu, Liming Xin, Jun Luo, Shaorong Xie, Huayan Pu, Shouwei Gao, Mitesh Badiwala, Yu Sun
  • Patent number: 10844927
    Abstract: The present invention discloses a stiffness-adjustable electromagnetic spring. The spring includes a central shaft, an intermediate electromagnetic force control component, and two end electromagnetic force control components, where the two end electromagnetic force control components are located on both sides of the intermediate electromagnetic force control component, the two end electromagnetic force control components and the intermediate electromagnetic force control component are both sleeved on the central shaft, and the intermediate electromagnetic force control component is coaxial with the two end electromagnetic force control components. The stiffness of the electromagnetic spring can be controlled online and the nonlinearity can be adjusted.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: November 24, 2020
    Assignee: Shanghai University
    Inventors: Huayan Pu, Shujin Yuan, Yi Sun, Min Wang, Jun Luo, Yan Peng, Shaorong Xie, Yi Yang
  • Patent number: 10753770
    Abstract: An electromagnetic type quasi-zero stiffness absolute displacement sensor that includes an intermediate shaft, upper end cover, first sliding bearing arranged on the upper end cover, upper housing fixedly connected to the upper end cover, electromagnetic coil fastened onto an inner wall of the upper housing, spiral spring, spring support connected to a lower end of the spiral spring, force sensor fastened onto a lower end surface of the spring support, lower end cover fastened onto lower end surface of the force sensor, and a lower housing connected to the lower end cover; the intermediate shaft sequentially passes through, from top down, the first sliding bearing, upper end cover, and electromagnetic coil, and is connected to an upper end of the spiral spring; and the upper housing is provided therein with a ring permanent magnet that is nested on the intermediate shaft and is not in contact with the electromagnetic coil.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: August 25, 2020
    Assignee: SHANGHAI UNIVERSITY
    Inventors: Huayan Pu, Jinglei Zhao, Jun Luo, Yi Sun, Shaorong Xie, Yan Peng, Yi Yang, Yuanyuan Liu, Min Wang