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公开(公告)号：US11774579B1
公开(公告)日：2023-10-03
申请号：US18146323
申请日：2022-12-23
Applicant: SHANDONG UNIVERSITY
Inventor： Zhengfang Wang , Jing Wang , Qingmei Sui , Lei Jia
CPC classification number: G01S13/885 , H01Q21/24 , G01S2205/03
Abstract: 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.
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公开(公告)号：US12115731B2
公开(公告)日：2024-10-15
申请号：US17779550
申请日：2020-11-06
Applicant: SHANDONG UNIVERSITY
Inventor： Jing Wang , Zhengfang Wang , Peng Jiang , Kefu Chen , Yanfei Yu , Wei Guo , Qingmei Sui
IPC: B29C64/393 , B25J9/16 , B25J11/00 , B29C64/236 , B29C73/02 , B29C73/24 , B33Y30/00 , B33Y50/02 , G01S17/89
CPC classification number: B29C64/393 , B25J9/1694 , B25J11/005 , B29C64/236 , B29C73/02 , B29C73/24 , B33Y30/00 , B33Y50/02 , G01S17/89
Abstract: 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.
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公开(公告)号：US12072298B2
公开(公告)日：2024-08-27
申请号：US17765215
申请日：2021-08-09
Applicant: SHANDONG UNIVERSITY
Inventor： Zhengfang Wang , Jing Wang , Wenqiang Kang , Hanchi Liu , Yuzhuang Wan , Qingmei Sui
IPC: G01N21/88 , B25J11/00 , B62D57/024 , G01N15/08 , G01N29/04 , G01N29/265 , G01N29/44 , G01S13/89 , G01S17/89
CPC classification number: G01N21/8851 , B25J11/00 , B62D57/024 , G01N15/08 , G01N29/043 , G01N29/265 , G01N29/4454 , G01S13/89 , G01S17/89 , G01N2291/0232 , G01N2291/0289 , G01N2291/2698
Abstract: 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. The system recognizes positions and categories of internal defects from ultrasonic data and perform concrete permittivity inversion and disease recognition on arbitrary length-continuous survey line ground-penetrating radar data.
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公开(公告)号：US12038311B1
公开(公告)日：2024-07-16
申请号：US18487278
申请日：2023-10-16
Applicant: SHANDONG UNIVERSITY
Inventor： Zhengfang Wang , Jing Wang , Qingmei Sui , Lei Jia
CPC classification number: G01D5/38 , G01B11/16 , G01B11/165 , G01B11/24 , G01B11/26 , G01C9/00 , G01L1/246 , G01M11/088
Abstract: 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. In this situation, two-dimensional displacement field monitoring of the large-scale structure can be realized.
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5.发明授权公开(公告)号：US09256003B2
公开(公告)日：2016-02-09
申请号：US14235332
申请日：2013-01-17
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai Li , Bin Liu , Lichao Nie , Qingmei Sui , Jie Song , Tingyu Hao , Yuqiang Cao , Faye Zhang , Jing Wang , Zhengyu Liu , Huaifeng Sun
Abstract: The invention discloses three-dimensional focusing induced polarization equipment for advance geological prediction of a water inrush disaster source in underground engineering, comprising a constant-current multiplex transmitter, an intelligent multichannel receiver, an automatic multi-electrode switch, an industrial personal computer, an observation electrode array and shielding electrodes, wherein electrodes in the observation electrode array are respectively used as a source electrode and observation electrodes; the industrial personal computer controls the constant-current multiplex transmitter to transmit currents of the same polarity to the shielding electrodes and the source electrode, so that the currents of the source electrodes are nearly directed straight ahead of a driving face under the action of the shielding electrodes; the observation electrodes are used for scanning data acquisition, and the data are fed back to the industrial personal computer through the intelligent multi-channel receiver; and the industrial personal computer controls the automatic multi-electrode switch to change the source electrode.
Abstract translation: 本发明公开了一种用于地下工程中水冲击灾害源的预测地质预测的三维聚焦诱导极化装置，包括恒流多路发射器，智能多通道接收器，自动多电极开关，工业个人计算机， 观察电极阵列和屏蔽电极，其中观察电极阵列中的电极分别用作源电极和观察电极; 工业个人计算机控制恒流多路复用发射机，将相同极性的电流传输到屏蔽电极和源电极，使得源电极的电流在屏蔽作用下几乎直接位于驱动面前方 电极 观察电极用于扫描数据采集，数据通过智能多通道接收机反馈给工业个人计算机; 并且工业个人计算机控制自动多电极开关来改变源电极。
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Patent Agency Ranking
公开(公告)号：US12062167B1
公开(公告)日：2024-08-13
申请号：US18398665
申请日：2023-12-28
Applicant: SHANDONG UNIVERSITY
Inventor： Mingshun Jiang , Lingyu Sun , Shanshan Lv , Juntao Wei , Lei Zhang , Faye Zhang , Qingmei Sui , Lei Jia
CPC classification number: G06T7/001 , G06T5/20 , G06T5/70 , G06T7/74 , G06T7/77 , G06T2207/10132 , G06T2207/20076 , G06T2207/30108
Abstract: A probability multiply-sum structural damage imaging positioning method and system based on a delay factor includes obtaining optimal excitation frequency and group-velocity theoretical correction function based on numerical simulation of composite laminates; based on optimal excitation frequency, obtaining ultrasonic guided wave response signals of composite laminates in healthy and lossy states and sensor coordinates used for signal collection; performing path screening based on ultrasonic guided wave response signals; obtaining group-velocity correction function based on measured group velocity obtained based on ultrasonic guided wave response signal in healthy state, and calculating actual delay time based on obtained effective path, group-velocity correction function, and sensor coordinates; obtaining damage delay factor based on actual and reference delay time; forming path probability distribution based on damage delay factor, and performing path probability multiply-sum operation to obtain structural damage imaging result; and obtaining structural damage positioning result based on peak point coordinates of imaging result.
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7.发明授权公开(公告)号：US12031922B2
公开(公告)日：2024-07-09
申请号：US17289280
申请日：2020-09-30
Applicant: SHANDONG UNIVERSITY
Inventor： Bin Liu , Zhengfang Wang , Peng Jiang , Wenqiang Kang , Hanchi Liu , Jiaqi Zhang , Qingmei Sui
IPC: G01N21/954 , F16L55/40 , G01N21/88 , G01N22/02 , G01N23/20008 , G01N23/203 , G06N20/00 , F16L101/30
CPC classification number: G01N21/954 , F16L55/40 , G01N21/8851 , G01N22/02 , G01N23/20008 , G01N23/203 , G06N20/00 , F16L2101/30 , G01N2021/9544
Abstract: 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.
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公开(公告)号：US12000799B1
公开(公告)日：2024-06-04
申请号：US18400246
申请日：2023-12-29
Applicant: SHANDONG UNIVERSITY
Inventor： Mingshun Jiang , Juntao Wei , Feiyu Teng , Shanshan Lv , Lingyu Sun , Lei Zhang , Faye Zhang , Qingmei Sui , Lei Jia
IPC: G01N29/24
CPC classification number: G01N29/2437
Abstract: A digital, self-diagnosis, sensing intelligent layer integrating active and passive monitoring, including: a capacitance testing unit, configured to charge a to-be-tested piezoelectric transducer by generating a step signal, and determine a transition moment, to obtain a free capacitance value of the to-be-tested piezoelectric transducer; a frequency testing unit, to charge the to-be-tested piezoelectric transducer by generating sinusoidal signals of different frequencies, and detect a resonant frequency according to the transition moment; an active and passive monitoring module, to obtain analog response signals in an active mode and a passive mode, and convert the analog response signals into digital response signals for transmission; and a main control module, to transmit a self-diagnosis result and the digital response signals to a guided wave host. The intelligent layer integrates active damage scanning and passive impact monitoring while implementing self-diagnosis for a piezoelectric transducer state.
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公开(公告)号：US10399286B2
公开(公告)日：2019-09-03
申请号：US16066146
申请日：2017-09-28
Applicant: SHANDONG UNIVERSITY , CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY, CHINESE ACADEMY OF SCIENCES , JILIN CORE LOGISTICS AND COATING EQUIPMENT CO., LTD. , SHANDONG GELNNT ENVIRONMENTAL TECHONOLOGY CO., LTD.
Inventor： Yuxi Jia , Yunli Guo , Lijia An , Weiguo Yao , Linlin Gao , Qinglin Wang , Mingshun Jiang , Haiqing Wang , Jieying Zhi , Yaru Zhao , Qingmei Sui
IPC: G02B6/02 , B29C70/34 , B29C70/44 , G01K11/32 , G01D21/02 , G01L1/24 , B29C70/88 , G01D5/353 , B29C70/54
Abstract: A composite material packaged fiber grating sensor and a manufacturing method thereof. The sensor includes a fiber grating sensor component, a composite material coverage layer, a resin package layer and a composite material substrate layer. In the sensor, a temperature fiber grating and a strain fiber grating are packaged in a composite material structure, so that the structure is light and simple, its computability with the composite material is good, the measurement accuracy is high, and the survival rate and the service life of the installed sensor can be greatly improved, the sensor component can be externally pasted on to or inter-implanted in a composite material structural part, and can be applied to the distributed online health monitoring on the structural part. The manufacturing method of the composite material packaged fiber grating sensor is simple, efficient and stable, and is suitable for rapid mass production by enterprises.
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10.发明申请公开(公告)号：US20150077119A1
公开(公告)日：2015-03-19
申请号：US14235332
申请日：2013-01-17
Applicant: SHANDONG UNIVERSITY
Inventor： Shucai Li , Bin Liu , Lichao Nie , Qingmei Sui , Jie Song , Tingyu Hao , Yuqiang Cao , Faye Zhang , Jing Wang , Zhengyu Liu , Huaifeng Sun
Abstract: The invention discloses three-dimensional focusing induced polarization equipment for advance geological prediction of a water inrush disaster source in underground engineering, comprising a constant-current multiplex transmitter, an intelligent multichannel receiver, an automatic multi-electrode switch, an industrial personal computer, an observation electrode array and shielding electrodes, wherein electrodes in the observation electrode array are respectively used as a source electrode and observation electrodes; the industrial personal computer controls the constant-current multiplex transmitter to transmit currents of the same polarity to the shielding electrodes and the source electrode, so that the currents of the source electrodes are nearly directed straight ahead of a driving face under the action of the shielding electrodes; the observation electrodes are used for scanning data acquisition, and the data are fed back to the industrial personal computer through the intelligent multi-channel receiver; and the industrial personal computer controls the automatic multi-electrode switch to change the source electrode.
Abstract translation: 本发明公开了一种用于地下工程中水冲击灾害源的预测地质预测的三维聚焦诱导极化装置，包括恒流多路发射器，智能多通道接收器，自动多电极开关，工业个人计算机， 观察电极阵列和屏蔽电极，其中观察电极阵列中的电极分别用作源电极和观察电极; 工业个人计算机控制恒流多路复用发射机，将相同极性的电流传输到屏蔽电极和源电极，使得源电极的电流在屏蔽作用下几乎直接位于驱动面前方 电极 观察电极用于扫描数据采集，数据通过智能多通道接收机反馈给工业个人计算机; 并且工业个人计算机控制自动多电极开关来改变源电极。
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