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1.发明授权公开(公告)号：US12097577B2
公开(公告)日：2024-09-24
申请号：US18284294
申请日：2022-06-02
申请人： JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY , NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY , JIANGSU AUTOMATION RESEARCH INSTITUTE
发明人： Zhidong Yang , Yuntao Chen , Shujin Chen , Mingxiao Shi , Chenfu Fang , Kehong Wang , Hongwei Sun , Xiaoyan Gu
CPC分类号： B23K9/1043 , B23K9/0061 , H02M3/156 , H02M3/33573
摘要： A split-type multifunctional underwater arc welding power supply including a shore power supply module and an underwater power supply module is provided. The shore power supply module comprises a shore power supply main circuit unit and a shore power supply control unit. The shore power supply main circuit unit comprises an input filter circuit, an IGBT full-bridge inverter circuit, an intermediate frequency transformer, and an output rectification filter circuit. The underwater power supply module comprises an underwater power supply main circuit unit and an underwater power supply control unit. The shore power supply module is provided on the shore, and the underwater power supply module is carried underwater.
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2.发明公开公开(公告)号：US20240285674A1
公开(公告)日：2024-08-29
申请号：US18577953
申请日：2022-07-04
发明人： Jianfa ZHANG , Qian LIN , Lei WANG
IPC分类号： A61K31/737 , A61P7/02 , C08B37/00
CPC分类号： A61K31/737 , A61P7/02 , C08B37/006
摘要： The present invention relates to the field of anticoagulant and antithrombotic drugs, and in particular to an application of sulfate gluco-galacto-oligosaccharide in preparation of an anticoagulant and/or antithrombotic drug. Disclosed in the present invention is the application of sulfate gluco-galacto-oligosaccharide in the preparation of the anticoagulant and/or antithrombotic drug. The structural formula of sulfate gluco-galacto-oligosaccharide is that R1-R24 are independently SO3− or H, but not all H. Sulfate gluco-galacto-oligosaccharide of the present invention has obvious anticoagulant activity in vivo and in vitro, and can be used for preparing the anticoagulant and/or antithrombotic drug.
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公开(公告)号：US11893719B2
公开(公告)日：2024-02-06
申请号：US17766088
申请日：2020-08-18
发明人： Qian Chen , Yao Fan , Chao Zuo , Jiasong Sun , Xiangpeng Pan , Shijie Feng , Yuzhen Zhang , Guohua Gu , Jiaji Li , Jialin Zhang
CPC分类号： G06T5/50 , G02B21/367
摘要： A single-shot differential phase contrast quantitative phase imaging method based on color multiplexing illumination. A color multiplexing illumination solution is used to realize single-shot differential phase contrast quantitative phase imaging. In the single-shot color multiplexing illumination solution, three illumination wavelengths of red, green, and blue are used to simultaneously illuminate a sample, and the information of the sample in multiple directions is converted into intensity information on different channels of a color image. By performing channel separation on this color image, the information about the sample at different spatial frequencies can be obtained. Such a color multiplexing illumination solution requires only one acquired image, thus enhancing the transfer response of the phase transfer function of single-shot differential phase contrast imaging in the entire frequency range, and achieving real-time dynamic quantitative phase imaging with a high contrast, a high resolution, and a high stability. In addition, an alternate illumination strategy is provided, so that a completely isotropic imaging resolution at the limit acquisition speed of the camera can be achieved.
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公开(公告)号：US20240039350A1
公开(公告)日：2024-02-01
申请号：US18477314
申请日：2023-09-28
发明人： Weiwei Geng , Chaoqiang Wu , Jinhua Chen , Zhao Zhou
IPC分类号： H02K1/2795 , H02K21/24 , B60K1/00
CPC分类号： H02K1/2795 , H02K21/24 , B60K1/00 , B60L50/60
摘要： A motor rotor, a motor, and an electric vehicle are disclosed. The motor rotor includes an iron core yoke, a spoke plate, and at least two permanent magnets. The at least two permanent magnets are fastened to the iron core yoke and sequentially spaced apart in the circumferential direction. The spoke plate is located between adjacent permanent magnets. A quadrature-axis magnetic circuit is reserved between adjacent permanent magnets, and the spoke plate whose reluctance is less than that of air or the permanent magnet material is disposed on the quadrature-axis magnetic circuit, that is, the spoke plate is disposed between the adjacent permanent magnets. In this way, reluctance of the quadrature-axis magnetic circuit may be reduced, and quadrature-axis inductance may be increased. Accordingly, a reluctance torque is increased, and a torque output capability of the motor is improved.
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公开(公告)号：US11808564B2
公开(公告)日：2023-11-07
申请号：US17631542
申请日：2020-08-07
发明人： Chao Zuo , Wei Yin , Qian Chen , Shijie Feng , Jiasong Sun , Tianyang Tao , Yan Hu , Liang Zhang , Jiaming Qian
IPC分类号： G01B11/25
CPC分类号： G01B11/2504 , G01B11/2513 , G01B11/2527
摘要： A calibration method for fringe projection systems based on plane mirrors. Firstly, two mirrors are placed behind the tested object. Through the reflection of mirrors, the camera can image the measured object from the front and other two perspectives, so as to obtain 360-degree two-dimensional information of the measured object. The projector projects three sets of phase-shifting fringe patterns with frequencies of 1, 8, and 64. The camera captures the fringe image to obtain an absolute phase map with a frequency of 64 by using the phase-shifting method and the temporal phase unwrapping algorithm. By using the calibration parameters between the projector and the camera, the absolute phase map can be converted into three-dimensional information of the measured object. Then, the mirror calibration is realized by capturing a set of 3D feature point pairs, so that the 3D information from different perspectives is transformed into a unified world coordinate system. The calibration method does not need to artificially fix the feature pattern on plane mirrors, only needs to capture a set of 3D feature point pairs by the camera to directly realize the mirror calibration that it avoids the loss of measurement accuracy and realizes high-precision panoramic three-dimensional measurement.
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6.发明公开公开(公告)号：US20230344367A1
公开(公告)日：2023-10-26
申请号：US18127061
申请日：2023-03-28
发明人： Zhiyong ZENG , Li YANG , Zhen CUI , Xiaoliang JIN , Lei LI , Diming ZHANG
CPC分类号： G05B13/048 , H02M7/525 , G05B13/042 , G05B17/02
摘要： This invention proposes a single-vector-based finite control set model predictive control for two parallel power converters, which adopts a centralized control structure to achieve accurate control of overall performance. It establishes predictive models for line currents and three phase-circulating currents and constructs a novel cost function that uses these currents as performance indices to implement the predictive control algorithm based on the proposed predictive models. The invention proposes dynamic weighting coefficients and adjustment principles to improve system control performance. A finite set output signal matrix containing important characteristic information of all alternative vectors is constructed to avoid redundant calculations in each control horizon, reducing computation time during practical implementation. This invention addresses the limitations of existing one-vector-based FCS-MPC for two paralleled power converters, which controls each sub-converter individually with a set of available eight control actions and cannot effectively regulate the overall performance of the two paralleled power converters.
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公开(公告)号：US11783601B2
公开(公告)日：2023-10-10
申请号：US17043681
申请日：2020-08-18
发明人： Yong Qi , Yuan Zhuang
CPC分类号： G06V20/597 , G06V10/7715 , G06V10/776 , G06V10/82 , G06V20/46 , G06V20/49 , G08B21/18
摘要： A driver fatigue detection method based on combining a pseudo-three-dimensional (P3D) convolutional neural network (CNN) and an attention mechanism includes: 1) extracting a frame sequence from a video of a driver and processing the frame sequence; 2) performing spatiotemporal feature learning through a P3D convolution module; 3) constructing a P3D-Attention module, and applying attention on channels and a feature map through the attention mechanism; and 4) replacing a 3D global average pooling layer with a 2D global average pooling layer to obtain more expressive features, and performing a classification through a Softmax classification layer. By analyzing the yawning behavior, blinking and head characteristic movements, the yawning behavior is well distinguished from the talking behavior, and it is possible to effectively distinguish between the three states of alert state, low vigilant state and drowsy state, thus improving the predictive performance of fatigue driving behaviors.
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公开(公告)号：US20230312376A1
公开(公告)日：2023-10-05
申请号：US17837016
申请日：2022-06-09
发明人： Weiqing HAN , Kajia WEI , Kaiqiang SHI , Xiaodong LIU , Xiuyun SUN , Jiansheng LI , Jinyou SHEN
IPC分类号： C02F1/461 , C25B1/30 , C25B11/032 , C25B11/065 , C02F1/467
CPC分类号： C02F1/46109 , C25B1/30 , C25B11/032 , C25B11/065 , C02F1/4672 , C02F2001/46171 , C02F2001/46166 , C02F2001/46142 , C02F2305/026 , C02F2305/023 , C02F2301/046 , C02F2201/46135 , C02F2201/4614 , C02F2209/38 , C02F2101/34
摘要： A gas diffusion electrode includes a carbon fiber tube, a support layer, and a catalyst layer. The carbon fiber tube is straight and functions as a substrate. The support layer includes a carbon black-polytetrafluoroethylene (PTFE) coating, and is disposed on the substrate. The catalyst layer includes carbon black, anhydrous ethanol, and PTFE, and is disposed on the support layer. The gas diffusion electrode has a diameter of 3-20 mm and a length of 50-500 mm.
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公开(公告)号：US20230251363A1
公开(公告)日：2023-08-10
申请号：US18296382
申请日：2023-04-06
发明人： Dexin REN , Mingwu REN
CPC分类号： G01S7/497 , G01S17/86 , G06T7/80 , G06T7/33 , G06T2207/10028 , G06T2207/20164 , G06T2207/30244
摘要： The disclosure is a three-dimensional towered checkerboard for multi-sensor calibration, and a LiDAR and camera joint calibration method based on the checkerboard. The joint calibration method includes: establishing a modeling coordinate system taking the three-dimensional towered checkerboard as a basis, and generating a point cloud of the three-dimensional towered checkerboard; denoising a three-dimensional point cloud obtained by LiDAR, and obtaining an actual point cloud of the three-dimensional towered checkerboard under a LiDAR coordinate system; determining a transformation relationship between the LiDAR coordinate system and the modeling coordinate system; generating a corner point set of two-dimensional checkerboards under the modeling coordinate system in sequence according to actual positions of corners of the two-dimensional checkerboards, and transforming into the LiDAR coordinate system; obtaining a corner point set of the two-dimensional checkerboards on a photo; and calculating a transformation relationship between the camera coordinate system and the LiDAR coordinate system.
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公开(公告)号：US20230119366A1
公开(公告)日：2023-04-20
申请号：US17798210
申请日：2020-12-03
发明人： Xinbai JIANG , Hefei SHI , Jinyou SHEN , Dan CHEN , Cheng HOU
摘要： The present invention relates to the technical field of wastewater treatment, and discloses a method for enhanced bio-treatment of refractory organic pollutants with photo-excited holes as electron acceptors. The method comprises the following steps: 1) placing a composite semiconductor-coated carrier material into a reactor, introducing wastewater into the reactor inoculated with anaerobic sludge, and allowing the composite semiconductor-coated carrier material to be immersed in the wastewater, wherein the composite semiconductor-coated carrier material comprises a conductive carrier and composite semiconductor materials loaded on the conductive carrier; 2) carrying out habituated culture on the anaerobic sludge for a period of time, and loading a biological membrane on the surface of the composite semiconductor materials, to construct a photo-excited hole enhanced bioreactor; and 3) treating the refractory pollutants in the wastewater by utilizing the reactor under irradiation.
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