Patents by Inventor Zhengfang WANG
Zhengfang WANG 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).
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Patent number: 12115731Abstract: A surface disease repair system and method for an infrastructure based on climbing robots are provided. The system includes a detection and marking climbing robot and a repair climbing robot. In the process of moving on a surface of an infrastructure to be detected, the detection and marking climbing robot collects a front surface image in real time through a binocular camera arranged at a front end, detects a disease on the basis of the front surface image, and performs localization and map reconstruction at the same time; when a disease is detected, the position of the disease is recorded, and a marking device is controlled to mark the disease; after detection and marking are completed, the position of the disease and the map are sent to the repair climbing robot; and the repair climbing robot receives the map and the position of the disease, reaches the position of the disease, and repairs the disease according to the mark by using a repair device.Type: GrantFiled: November 6, 2020Date of Patent: October 15, 2024Assignee: SHANDONG UNIVERSITYInventors: Jing Wang, Zhengfang Wang, Peng Jiang, Kefu Chen, Yanfei Yu, Wei Guo, Qingmei Sui
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Patent number: 12072298Abstract: A wall-climbing robot system and method for rapid nondestructive inspection of hidden defects in culverts and sluices. The system includes: a robot vehicle body; navigation positioning system and moving system, both mounted on the robot vehicle body; automatic knock inspection system, mounted at the vehicle body front end; mobile ultrasonic rapid inspection system and corrosion inspection system, dual-power system, formed by a non-contact negative pressure adsorption apparatus and rotor booster apparatuses, the non-contact negative pressure adsorption apparatus mounted on the vehicle body bottom, the rotor booster apparatuses mounted on two sides of the vehicle body; and a master controller, communicating with the navigation positioning system, moving system, automatic knock inspection system, mobile ultrasonic rapid inspection system, corrosion inspection system, and dual-power system.Type: GrantFiled: August 9, 2021Date of Patent: August 27, 2024Assignee: SHANDONG UNIVERSITYInventors: Zhengfang Wang, Jing Wang, Wenqiang Kang, Hanchi Liu, Yuzhuang Wan, Qingmei Sui
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Publication number: 20240240974Abstract: A self-correcting assemblable optical fiber sensing system for a displacement field and a correction method thereof are provided. The system includes multiple assemblable flexible optical fiber sensing devices for measuring displacement field; multiple inclination angle self-sensing connection devices for connecting between assemblable flexible optical fiber sensing devices, and an optical fiber demodulation device for obtaining strain data of the assemblable flexible optical fiber sensing devices and two-axis inclination angle data of the inclination angle self-sensing connection devices, and correcting the displacement field measured by the assemblable flexible optical fiber sensing devices. The assemblable flexible optical fiber sensing devices are connected between the inclination angle self-sensing connection devices, and the optical fiber demodulation device is connected to a free end of the inclination angle self-sensing connection device.Type: ApplicationFiled: October 16, 2023Publication date: July 18, 2024Inventors: Zhengfang WANG, Jing WANG, Qingmei SUI, Lei JIA
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Patent number: 12038311Abstract: A self-correcting assemblable optical fiber sensing system for a displacement field and a correction method thereof are provided. The system includes multiple assemblable flexible optical fiber sensing devices for measuring displacement field; multiple inclination angle self-sensing connection devices for connecting between assemblable flexible optical fiber sensing devices, and an optical fiber demodulation device for obtaining strain data of the assemblable flexible optical fiber sensing devices and two-axis inclination angle data of the inclination angle self-sensing connection devices, and correcting the displacement field measured by the assemblable flexible optical fiber sensing devices. The assemblable flexible optical fiber sensing devices are connected between the inclination angle self-sensing connection devices, and the optical fiber demodulation device is connected to a free end of the inclination angle self-sensing connection device.Type: GrantFiled: October 16, 2023Date of Patent: July 16, 2024Assignee: SHANDONG UNIVERSITYInventors: Zhengfang Wang, Jing Wang, Qingmei Sui, Lei Jia
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Patent number: 12031922Abstract: A multi-arm robot used for tunnel lining inspection and defect diagnosis in an operation period, including a moving platform, where an environment detection device and a defect infection device are disposed on the moving platform, the defect infection device is disposed on the moving platform by using a multi-degree-of-freedom mechanical arm, and an attitude detection module is disposed on each multi-degree-of-freedom mechanical arm; a controller receives environmental data and mechanical arm attitude data sensed by the environment detection device and the attitude detection module, and sends a control instruction to the moving platform and the multi-degree-of-freedom mechanical arm according to the environmental data, to implement movement of the robot; and the controller receives tunnel lining structural data sensed by the defect infection device, and performs defect diagnosis. Overall automatic inspection can be implemented both on the surface and inside of the tunnel lining.Type: GrantFiled: September 30, 2020Date of Patent: July 9, 2024Assignee: SHANDONG UNIVERSITYInventors: Bin Liu, Zhengfang Wang, Peng Jiang, Wenqiang Kang, Hanchi Liu, Jiaqi Zhang, Qingmei Sui
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Patent number: 12013485Abstract: A multi-scale inspection and intelligent diagnosis system and method for tunnel structural defects includes: a traveling section; a supporting section, disposed on the traveling section, and including a rotatable telescopic platform, where two mechanical arms working in parallel are disposed on the rotatable telescopic platform; an inspection section, mounted on the supporting section, and configured to perform multi-scale inspection on surface defects and internal defects in different depth ranges of a same position of a tunnel structure, and transmit inspected defect information to a control section; and the control section, configured to: construct a deep neural network-based defect diagnosis model; construct a data set by using historical surface defect and internal defect information, and train the deep neural network-based defect diagnosis model; and receive multi-scale inspection information in real time, and automatically recognize types, positions, contours, and dielectric attributes of the internalType: GrantFiled: September 30, 2020Date of Patent: June 18, 2024Assignee: SHANDONG UNIVERSITYInventors: Shucai Li, Bin Liu, Zhengfang Wang, Peng Jiang, Fengkai Zhang, Hanchi Liu
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Publication number: 20240068951Abstract: A wall-climbing robot system and method for rapid nondestructive inspection of hidden defects in culverts and sluices. The system includes: a robot vehicle body; navigation positioning system and moving system, both mounted on the robot vehicle body; automatic knock inspection system, mounted at the vehicle body front end; mobile ultrasonic rapid inspection system and corrosion inspection system, dual-power system, formed by a non-contact negative pressure adsorption apparatus and rotor booster apparatuses, the non-contact negative pressure adsorption apparatus mounted on the vehicle body bottom, the rotor booster apparatuses mounted on two sides of the vehicle body; and a master controller, communicating with the navigation positioning system, moving system, automatic knock inspection system, mobile ultrasonic rapid inspection system, corrosion inspection system, and dual-power system.Type: ApplicationFiled: August 9, 2021Publication date: February 29, 2024Applicant: SHANDONG UNIVERSITYInventors: Zhengfang WANG, Jing WANG, Wenqiang KANG, Hanchi LIU, Yuzhuang WAN, Qingmei SUI
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Patent number: 11896553Abstract: A continuous skin packaging and coating apparatus and a coating method for tablets. The continuous skin packaging and coating apparatus comprises a lower coating film unreeling roller, a waste edge reeling roller, an upper coating film unreeling roller, a lower coating film heating component, an upper coating film heating component, a first mold provided with a first tablet placing hole, a second mold provided with a second tablet placing hole, a heat-sealing plate, a cutting component, a blank tablet implanting component, and an operating mesa. The lower coating film unreeling roller and the waste edge reeling roller are provided on either side of the operating mesa. The lower coating film heating component, the blank tablet implanting component, the upper coating film unreeling roller, the upper coating film heating component, the heat-sealing plate, and the cutting component are sequentially provided above the operating mesa.Type: GrantFiled: June 20, 2019Date of Patent: February 13, 2024Inventors: Huimin Hou, Chunping Yuan, Huiping Zhang, Chunlin Luo, Mingying Qian, Zhengfang Wang, Yunmei Ren
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Patent number: 11774579Abstract: Disclosed are an unmanned airborne ground penetrating radar system and an inspection method for a dam hidden danger detection, including an unmanned aerial vehicle (UAV) system; the UAV system includes an unmanned aerial vehicle, a sensor platform, a radar platform, a forward-looking laser rangefinder and a ground penetrating radar; the sensor platform is installed on the UAV, and the forward-looking laser rangefinder is installed on the sensor platform, and the radar platform is installed on the UAV at one side of the sensor platform; moreover, the ground penetrating radar is installed on the radar platform, and a variable polarization ground penetrating radar antenna array is arranged in the ground penetrating radar; the variable polarization ground penetrating radar antenna array includes a substrate, and a plurality of groups of orthogonal dual-polarization Vivaldi antenna transmitting subarrays and receiving subarrays are mounted on the substrate.Type: GrantFiled: December 23, 2022Date of Patent: October 3, 2023Assignee: Shandong UniversityInventors: Zhengfang Wang, Jing Wang, Qingmei Sui, Lei Jia
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Patent number: 11555912Abstract: An automatic wall climbing type radar photoelectric robot system for damages of a bridge and tunnel structure, mainly including a control terminal, a wall climbing robot and a server. The wall climbing robot generates a reverse thrust by rotor systems, moves flexibly against the surface of a rough bridge and tunnel structure by adopting an omnidirectional wheel technology, and during inspection by the wall climbing robot, bridges and tunnels do not need to be closed, and the traffic is not affected. Bridges and tunnels can divide into different working regions only by arranging a plurality of UWB base stations, charging and data receiving devices on the bridge and tunnel structure by means of UWB localization, laser SLAM and IMU navigation technologies, a plurality of wall climbing robots supported to work at the same time, automatic path planning and automatic obstacle avoidance realized, and unattended regular automatic patrolling can be realized.Type: GrantFiled: April 29, 2019Date of Patent: January 17, 2023Assignee: SHANDONG UNIVERSITYInventors: Bin Liu, Yao Li, Fengkai Zhang, Lichao Nie, Jing Wang, Zhengfang Wang, Zhengyu Liu, Xinji Xu
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Publication number: 20230011911Abstract: A surface disease repair system and method for an infrastructure based on climbing robots are provided. The system includes a detection and marking climbing robot and a repair climbing robot. In the process of moving on a surface of an infrastructure to be detected, the detection and marking climbing robot collects a front surface image in real time through a binocular camera arranged at a front end, detects a disease on the basis of the front surface image, and performs localization and map reconstruction at the same time; when a disease is detected, the position of the disease is recorded, and a marking device is controlled to mark the disease; after detection and marking are completed, the position of the disease and the map are sent to the repair climbing robot; and the repair climbing robot receives the map and the position of the disease, reaches the position of the disease, and repairs the disease according to the mark by using a repair device.Type: ApplicationFiled: November 6, 2020Publication date: January 12, 2023Applicant: SHANDONG UNIVERSITYInventors: Jing WANG, Zhengfang WANG, Peng JIANG, Kefu CHEN, Yanfei YU, Wei GUO, Qingmei SUI
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Publication number: 20210396842Abstract: A multi-scale inspection and intelligent diagnosis system and method for tunnel structural defects includes: a traveling section; a supporting section, disposed on the traveling section, and including a rotatable telescopic platform, where two mechanical arms working in parallel are disposed on the rotatable telescopic platform; an inspection section, mounted on the supporting section, and configured to perform multi-scale inspection on surface defects and internal defects in different depth ranges of a same position of a tunnel structure, and transmit inspected defect information to a control section; and the control section, configured to: construct a deep neural network-based defect diagnosis model; construct a data set by using historical surface defect and internal defect information, and train the deep neural network-based defect diagnosis model; and receive multi-scale inspection information in real time, and automatically recognize types, positions, contours, and dielectric attributes of the internalType: ApplicationFiled: September 30, 2020Publication date: December 23, 2021Applicant: SHANDONG UNIVERSITYInventors: Shucai LI, Bin LIU, Zhengfang WANG, Peng JIANG, Fengkai ZHANG, Hanchi LIU
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Publication number: 20210389257Abstract: A multi-arm robot used for tunnel lining inspection and defect diagnosis in an operation period, including a moving platform, where an environment detection device and a defect infection device are disposed on the moving platform, the defect infection device is disposed on the moving platform by using a multi-degree-of-freedom mechanical arm, and an attitude detection module is disposed on each multi-degree-of-freedom mechanical arm; a controller receives environmental data and mechanical arm attitude data sensed by the environment detection device and the attitude detection module, and sends a control instruction to the moving platform and the multi-degree-of-freedom mechanical arm according to the environmental data, to implement movement of the robot; and the controller receives tunnel lining structural data sensed by the defect infection device, and performs defect diagnosis. Overall automatic inspection can be implemented both on the surface and inside of the tunnel lining.Type: ApplicationFiled: September 30, 2020Publication date: December 16, 2021Applicant: SHANDONG UNIVERSITYInventors: Bin LIU, Zhengfang WANG, Peng JIANG, Wenqiang KANG, Hanchi LIU, Jiaqi ZHANG, Qingmei SUI
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Publication number: 20210212898Abstract: A continuous skin packaging and coating apparatus and a coating method for tablets. The continuous skin packaging and coating apparatus comprises a lower coating film unreeling roller, a waste edge reeling roller, an upper coating film unreeling roller, a lower coating heating component, an upper coating heating component, a first mold provided with a first table placing hole, a second mold provided with a second tablet placing hole, a heat-sealing plate, a cutting component, a blank tablet implanting component, and an operating mesa. The lower coating film unreeling roller and the waste edge reeling roller are provided on either side of the operating mesa. The lower coating film heating component, the blank tablet implanting component, the upper coating film unreeling roller, the upper coating film heating component, the heat-sealing plate, and the cutting component are sequentially provided above the operating mesa.Type: ApplicationFiled: June 20, 2019Publication date: July 15, 2021Inventors: Huimin HOU, Chunping YUAN, Huiping ZHANG, Chunlin LUO, Mingying QIAN, Zhengfang WANG, Yunmei REN
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Publication number: 20200142052Abstract: An automatic wall climbing type radar photoelectric robot system for damages of a bridge and tunnel structure, mainly including a control terminal, a wall climbing robot and a server. The wall climbing robot generates a reverse thrust by rotor systems, moves flexibly against the surface of a rough bridge and tunnel structure by adopting an omnidirectional wheel technology, and during inspection by the wall climbing robot, bridges and tunnels do not need to be closed, and the traffic is not affected. Bridges and tunnels can divide into different working regions only by arranging a plurality of UWB base stations, charging and data receiving devices on the bridge and tunnel structure by means of UWB localization, laser SLAM and IMU navigation technologies, a plurality of wall climbing robots supported to work at the same time, automatic path planning and automatic obstacle avoidance realized, and unattended regular automatic patrolling can be realized.Type: ApplicationFiled: April 29, 2019Publication date: May 7, 2020Applicant: SHANDONG UNIVERSITYInventors: Bin LIU, Yao LI, Fengkai ZHANG, Lichao NIE, Jing WANG, Zhengfang WANG, Zhengyu LIU, Xinji XU