Patents Assigned to Wuhan University of Technology
  • Patent number: 12280750
    Abstract: An automatic pressure regulating valve for an electro-pneumatic braking system of a commercial vehicle comprises an upper valve body and a lower valve body. The upper valve body includes a normally open switching valve, a quick-acting intake valve, a normally open quick-acting intake valve, a quick-acting exhaust valve, and a control chamber A. A lower valve body includes a relay valve and a working chamber B. The normally open switching valve has a manually controlled air inlet a and an electronically controlled air inlet b, and an air outlet c connected to an air inlet d of the normally open quick-acting intake valve. An air outlet e of the normally open quick-acting intake valve, an air inlet f of the quick-acting exhaust valve and an air outlet i of the quick-acting air intake valve are connected together to the control chamber A.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: April 22, 2025
    Assignee: Wuhan University Of Technology
    Inventors: Gangyan Li, Hanwei Bao, Jian Hu, Fang Yang
  • Patent number: 12241150
    Abstract: An aluminum alloy pre-strengthening and hot forming production line is provided, including a pre-strengthening heat treatment mechanism, a forging mechanism, and a trim press. The pre-strengthening heat treatment mechanism includes a roll forging machine, a solid solution furnace, a quenching water tank, an aging furnace, and a heat preservation furnace. The forging mechanism includes an upsetting press machine, and a forging press machine. The upsetting press machine is configured for blanking an heat preserved aluminum alloy bar-shaped blank, and the forging press machine is configured for forging and forming the blanked aluminum alloy bar-shaped blank. The trim press is configured for trimming the forged and formed aluminum alloy rod-shaped blank, so as to obtain an aluminum alloy member meeting a requirement.
    Type: Grant
    Filed: June 28, 2024
    Date of Patent: March 4, 2025
    Assignee: Wuhan University of Technology
    Inventors: Lin Hua, Zhili Hu, Changhai Niu
  • Publication number: 20250066894
    Abstract: An aluminum alloy pre-strengthening and hot forming production line is provided, including a pre-strengthening heat treatment mechanism, a forging mechanism, and a trim press. The pre-strengthening heat treatment mechanism includes a roll forging machine, a solid solution furnace, a quenching water tank, an aging furnace, and a heat preservation furnace. The forging mechanism includes an upsetting press machine, and a forging press machine. The upsetting press machine is configured for blanking an heat preserved aluminum alloy bar-shaped blank, and the forging press machine is configured for forging and forming the blanked aluminum alloy bar-shaped blank. The trim press is configured for trimming the forged and formed aluminum alloy rod-shaped blank, so as to obtain an aluminum alloy member meeting a requirement.
    Type: Application
    Filed: June 28, 2024
    Publication date: February 27, 2025
    Applicant: Wuhan University of Technology
    Inventors: Lin HUA, Zhili HU, Changhai NIU
  • Publication number: 20250033241
    Abstract: A manufacturing method for ceramics with complex structure by laser 3D printing, includes acquiring a three-dimensional model of a complex component to be fabricated, and devising a laser scanning path; placing a substrate in a gas-phase reactor chamber, followed by vacuuming and aerating vapor mixture of gas-phase precursors and carrier gas into the gas-phase reactor chamber; preheating the substrate to a specified temperature, turning on a laser and a thermal imager, the thermal imager controlling laser power in real time by generating a two-dimensional temperature map of a laser spot to realize temperature control a the printing process; setting a distance between the flat-field focusing lens and the substrate and a laser scanning speed; after stacking another one of the ceramic sheets repeatedly, until completing a fabrication of a ceramic complex component.
    Type: Application
    Filed: March 11, 2024
    Publication date: January 30, 2025
    Applicant: Wuhan University of Technology
    Inventors: Kai LIU, Tianyang LI, Song ZHANG, Rong TU, Ce SUN, Jiahao YE, Yuhan LIAO
  • Patent number: 12205301
    Abstract: Disclosed is a ship image track tracking and prediction method based on ship heading recognition, which includes the following steps: obtaining a ship image data set, preprocessing the data set to obtain a preprocessed data set; inputting the preprocessed data set into the rotating ship detection network for training, obtaining the trained rotating ship detection network, collecting the ship navigation video, and inputting the ship navigation video into the trained rotating ship detection network to obtain the ship detection result; inputting the ship detection result into the rotating ship tracking network and tracking the target ship to obtain the historical trajectory and the heading information of the target ship; inputting the historical trajectory and ship heading information of the target ship into the ship trajectory and ship heading prediction network, and predicting the navigation trajectory and ship heading at sea.
    Type: Grant
    Filed: August 12, 2022
    Date of Patent: January 21, 2025
    Assignees: Shanghai Maritime University, Wuhan University of Technology
    Inventors: Xinqiang Chen, Hao Wu, Yongsheng Yang, Bing Wu, Yang Sun, Huafeng Wu, Wei Liu, Jiangfeng Xian
  • Patent number: 12181397
    Abstract: Disclosed is a method, device, and system for testing the static contact angle of reagent asphalt, the method includes the following steps: acquiring a side image of a stable droplet formed by a test reagent on asphalt surface, and determining the position of a baseline in the side image; cropping the side image to obtain a droplet image, and extracting droplet contour points in the droplet image; screening out effective contour points corresponding to contours of the two sides of the droplet from the droplet contour points; performing cubic polynomial fitting on the effective contour points to obtain curve function of contour curves on both sides; calculating contact angle value from the curve function and the position of the baseline. The beneficial effects of this disclosure are: this disclosure reduces the difficulty of fitting of the droplet contour and thus improves the calculation precision of the contact angle.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: December 31, 2024
    Assignee: Wuhan University of Technology
    Inventors: Rong Luo, Longchang Niu, Jing Luo, Chongzhi Tu, Tingting Huang, Xiang Wang, Qiang Miao
  • Patent number: 12154283
    Abstract: Disclosed is a ship detection and tracking method and device, the method comprises: pre-training a yolov5s network model with a first preset number of high-speed moving object datasets to obtain an initial ship detection model; adding a preset attention mechanism to the initial ship detection model to obtain a transitional ship detection model; inputting a second preset number of annotated ship datasets into the initial ship detection model with the preset attention mechanism for training to obtain a target ship detection model; inputting an original ship video frame into the target ship detection model, and outputting the position information of the ship to be tracked; performing ship video image tracking on the ship to be tracked according to the position information. This disclosure performs pre-training, which only requires a small amount of annotated ship data to determine the target ship detection model, achieving video image tracking of the target ship.
    Type: Grant
    Filed: December 22, 2023
    Date of Patent: November 26, 2024
    Assignee: Wuhan University of Technology
    Inventors: Linying Chen, Yamin Huang, Pengfei Chen, Junmin Mou
  • Patent number: 12139113
    Abstract: An automatic pressure regulating valve for multiple levels of driving automation of a commercial vehicle includes an upper valve body, a lower valve body, a piston, a main valve core assembly, a switching valve, a quick-acting intake valve, and a quick-acting exhaust valve. The switching valve, the quick-acting intake valve and the quick-acting exhaust valve are all mounted at an upper end of the upper valve body. The piston is located in a chamber formed by the upper valve body and the lower valve body to divide the chamber into an upper control chamber and a lower chamber. The main valve core assembly is mounted in the lower valve body. The automatic pressure regulating valve is applicable to a commercial vehicle allowing for multiple levels of driving automation.
    Type: Grant
    Filed: April 21, 2022
    Date of Patent: November 12, 2024
    Assignee: Wuhan University Of Technology
    Inventors: Gangyan Li, Hanwei Bao, Jian Hu, Zhiqiang Gu, Fang Yang
  • Patent number: 12055433
    Abstract: The present invention discloses a grating enhanced distributed vibration demodulation system based on three-pulse shearing interference, comprising: a laser device, a pulse optical modulator, a three-pulse generation polarization-maintaining structure, a first erbium-doped fiber amplifier, a first optical circulator, a fiber grating array, a second erbium-doped fiber amplifier, a second optical circulator, a three-in-three optical coupler, a first Faraday rotator mirror, a second Faraday rotator mirror, and a four-channel data acquisition card, On the basis of a distributed fiber grating vibration sensing system, three-pulse dislocation interference and three-in-three optical coupler digital phase demodulation technologies are adopted, XX and XY pulses are utilized to complement interference visibility, and demodulation is performed by selecting a better path, so that polarization fading resistance and interference signal high visibility in the distributed fiber grating vibration sensing system are realized.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: August 6, 2024
    Assignee: Wuhan University of Technology
    Inventors: Zhengying Li, Jun Wu, Zhenyu Deng, Xuelei Fu
  • Patent number: 11981403
    Abstract: Disclosed is a method and device for automatic detection of vessel draft depth, which processes the image of a vessel's hull and extracts local area image blocks with vessel's water gauge scale separately to improve the pertinence of data processing and reduce the complexity of data processing; and based on a multi-task learning network model, performing data processing on local area image blocks to extract scale characters and waterline position, reducing the computational complexity of the model; finally, based on the relative positions of the scale and waterline, determining the vessel's draft depth, thus achieving automatic acquisition of the vessel's draft depth, this method greatly improves the efficiency of reading the vessel's draft depth.
    Type: Grant
    Filed: November 12, 2023
    Date of Patent: May 14, 2024
    Assignee: Wuhan University of Technology
    Inventors: Wen Liu, Jingxiang Qu, Chenjie Zhao, Yang Zhang, Yu Guo
  • Patent number: 11948344
    Abstract: The present invention relates to the field of inland vessel identification and ranging technology, and discloses a method, system, medium, equipment and terminal for identifying and ranging inland vessels. In the stage of vessel identification, based on the classical YOLO-V4 network model, the MobileNetV1 network is used to replace the feature extraction network CSPDarknet53 of the YOLO-V4 model; In the stage of vessel ranging, a binocular stereo vision ranging model is established, and the FSRCNN is used for super-resolution reconstruction of the original image pairs to enhance the vessel feature information; the ORB algorithm is used to achieve feature detection and matching at the sub-pixel level to obtain the parallax value between image pairs, and the depth information of the vessel target is obtained by triangulation principle and coordinate conversion.
    Type: Grant
    Filed: May 29, 2023
    Date of Patent: April 2, 2024
    Assignee: Wuhan University of Technology
    Inventors: Yuanzhou Zheng, Long Qian, Jingxin Cao, Xinyu Liu, Xuemeng Lv, Lei Li, Shiquan Qin
  • Patent number: 11940353
    Abstract: A test device for an automatic pressure regulating valve of an electronic braking system includes a test device composed of an air supply, a pneumatic circuit, a valve, a sensor, a signal processing unit, and a control unit. By subjecting an automatic pressure regulating valve to a bench test including a functional test, a static performance test, a dynamic performance test, an air tightness test, a leakage test, and a brake chamber braking force test, the present disclosure avoids the high risk of a field test, improves the test efficiency, and ensures the test consistency. An automatic pressure regulating valve is tested before being loaded on a vehicle, and parameters of the automatic pressure regulating valve are continuously modified through tests to improve the performance, such that the automatic pressure regulating valve can meet the real-time, fast, independent, and accurate regulation requirements of EBS of commercial vehicles.
    Type: Grant
    Filed: March 10, 2022
    Date of Patent: March 26, 2024
    Assignee: Wuhan University Of Technology
    Inventors: Gangyan Li, Hanwei Bao, Jian Hu, Zhiqiang Gu, Fang Yang
  • Patent number: 11932578
    Abstract: A granite stone powder phosphoric acid-based geopolymer and a preparation method thereof are provided. The granite stone powder phosphoric acid-based geopolymer is prepared from following raw materials in parts by weight: 35-70 parts of granite stone powder, 15-50 parts of metakaolin, 8-50 parts of fly ash, 8-30 parts of acid activation solution and 8-30 parts of solvent.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: March 19, 2024
    Assignee: Wuhan University of Technology
    Inventors: Liuyi Ren, Lu Zhang, Shenxu Bao, Yimin Zhang, Zhiming Qiu, Yuxiao Zhou
  • Patent number: 11933646
    Abstract: An interferometric demodulation system for a large capacity fiber grating sensing network is provided by the present disclosure, comprising: a continuous light output end of the nanoscale wide-spectrum light source is connected to an input end of the pulse optical modulator, an output end of the reference grating is connected to an input end of the grating array sensing network, and a third communication end of the optical circulator is connected to an input end of the optical amplifier, an output end of the optical amplifier is connected to an input end of the Mach-Zehnder interferometer, three-channel signal output ends of the Mach-Zehnder interferometer are respectively connected to signal input ends corresponding to the embedded signal processor through the photoelectric converter, and the embedded signal processor controls the heating device to control a temperature of an any one of interference arms of the Mach-Zehnder interferometer.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: March 19, 2024
    Assignee: Wuhan University of Technology
    Inventors: Zhengying Li, Jiaqi Wang, Honghai Wang
  • Publication number: 20240013505
    Abstract: The present invention relates to the field of inland vessel identification and ranging technology, and discloses a method, system, medium, equipment and terminal for identifying and ranging inland vessels. In the stage of vessel identification, based on the classical YOLO-V4 network model, the MobileNetV1 network is used to replace the feature extraction network CSPDarknet53 of the YOLO-V4 model; In the stage of vessel ranging, a binocular stereo vision ranging model is established, and the FSRCNN is used for super-resolution reconstruction of the original image pairs to enhance the vessel feature information; the ORB algorithm is used to achieve feature detection and matching at the sub-pixel level to obtain the parallax value between image pairs, and the depth information of the vessel target is obtained by triangulation principle and coordinate conversion.
    Type: Application
    Filed: May 29, 2023
    Publication date: January 11, 2024
    Applicant: Wuhan University of Technology
    Inventors: Yuanzhou ZHENG, Long QIAN, Jingxin CAO, Xinyu LIU, Xuemeng LV, Lei LI, Shiquan QIN
  • Publication number: 20240013402
    Abstract: Disclosed is a ship image track tracking and prediction method based on ship heading recognition, which includes the following steps: obtaining a ship image data set, preprocessing the data set to obtain a preprocessed data set; inputting the preprocessed data set into the rotating ship detection network for training, obtaining the trained rotating ship detection network, collecting the ship navigation video, and inputting the ship navigation video into the trained rotating ship detection network to obtain the ship detection result; inputting the ship detection result into the rotating ship tracking network and tracking the target ship to obtain the historical trajectory and the heading information of the target ship; inputting the historical trajectory and ship heading information of the target ship into the ship trajectory and ship heading prediction network, and predicting the navigation trajectory and ship heading at sea.
    Type: Application
    Filed: August 12, 2022
    Publication date: January 11, 2024
    Applicants: Shanghai Maritime University, Wuhan University of Technology
    Inventors: Xinqiang CHEN, Hao WU, Yongsheng YANG, Bing WU, Yang SUN, Huafeng WU, Wei LIU, Jiangfeng XIAN
  • Patent number: 11735038
    Abstract: A non-blind area real-time monitoring and alarming system for an accident on a freeway is provided, which belongs to the field of photoelectric technology and can solve the existing problems in whole journey information monitoring for freeways, such as failure to cover all freeway sections and lack of all-weather and prompt monitoring, and being subject to severe environments such as rain, fog and snow, or conditions such as poor visibility at night. The system includes a distributed sound wave detection fiber-optic cable, a sound wave signal demodulator, a network switch, a workstation, and a monitoring terminal. A fiber-optic sensing network composed of a series of reflection nodes distributed at equal distances is utilized to monitor sound wave signals from traffic accidents efficiently in real time without blind areas, accurately locate a traffic incident by analyzing frequency components, and transmit alarming information in time.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: August 22, 2023
    Assignee: Wuhan University of Technology
    Inventors: Xinglin Tong, Qinyu Wang, Chengwei Deng, Cui Zhang, Yan Mao, Jingchuang Wei
  • Patent number: 11692891
    Abstract: An apparatus for testing a pressure change rate of a component in an electro-pneumatic braking system of a commercial vehicle includes a pressure change rate test bench, a pneumatic loop configured to implement on-off control of air and detection on a pressure change rate of a tested component in an electro-pneumatic braking system of a commercial vehicle, a signal processing unit configured to acquire a pressure signal and a differential pressure signal and perform analog-digital conversion on the signals to provide signals recognizable by an upper controller and a lower execution component, and a control unit configured to communicate with the pneumatic loop and drive the components in the pneumatic loop to act by setting a control parameter to obtain test data of the tested component in the electro-pneumatic braking system of the commercial vehicle in the pneumatic loop.
    Type: Grant
    Filed: April 20, 2022
    Date of Patent: July 4, 2023
    Assignee: Wuhan University Of Technology
    Inventors: Jian Hu, Yi Cheng, Hanwei Bao, Fang Yang, Gangyan Li
  • Publication number: 20230015629
    Abstract: A pneumatic automatic pressure regulating valve for automatic driving of a commercial vehicle includes an upper valve body and a lower valve body that form a chamber of the automatic pressure regulating valve. A quick-acting intake valve assembly and a quick-acting exhaust valve assembly are mounted on the upper valve body. A main valve core assembly is mounted on the lower valve body. The quick-acting intake valve and the quick-acting exhaust valve are normally closed and both are configured to regulate an air pressure in the control chamber A such that air enters the working chamber B to increase a pressure or is vented therefrom to reduce the pressure, thereby controlling a pressure in a brake chamber. The pneumatic automatic pressure regulating valve can be widely applied to autonomous vehicles or unmanned driving. The familiarity dependency of a driver on a valve control system is reduced.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 19, 2023
    Applicant: Wuhan University Of Technology
    Inventors: Gangyan LI, Hanwei BAO, Jian HU, Fang YANG
  • Publication number: 20230016714
    Abstract: An automatic pressure regulating valve for an electro-pneumatic braking system of a commercial vehicle comprises an upper valve body and a lower valve body. The upper valve body includes a normally open switching valve, a quick-acting intake valve, a normally open quick-acting intake valve, a quick-acting exhaust valve, and a control chamber A. A lower valve body includes a relay valve and a working chamber B. The normally open switching valve has a manually controlled air inlet a and an electronically controlled air inlet b, and an air outlet c connected to an air inlet d of the normally open quick-acting intake valve. An air outlet e of the normally open quick-acting intake valve, an air inlet f of the quick-acting exhaust valve and an air outlet i of the quick-acting air intake valve are connected together to the control chamber A.
    Type: Application
    Filed: April 21, 2022
    Publication date: January 19, 2023
    Applicant: Wuhan University Of Technology
    Inventors: Gangyan LI, Hanwei BAO, Jian HU, Fang YANG