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71.发明公开公开(公告)号：US20240359714A1
公开(公告)日：2024-10-31
申请号：US18768309
申请日：2024-07-10
发明人： Zigang DENG , Chenling XIAN , Yongfu YANG , Xueli LI , Jun ZHENG
CPC分类号： B61D27/0072 , F25D19/006
摘要： A cryostat device for a superconducting magnetic levitation train includes a conduction assembly, a support assembly and a refrigeration assembly. The conduction assembly includes a conduction shell, a copper box arranged in the conduction shell, and a thermally-conductive support rod assembly. A top of the thermally-conductive support rod assembly is connected with a bottom of the copper box. A bottom of the thermally-conductive support rod assembly is connected with a bottom wall of the conduction shell. A top of the copper box is provided with a superconducting bulk accommodating cavity. The bottom of the copper box is provided with a cooling energy connecting end. A top of the support assembly is configured to support the conduction assembly. A bottom of the support assembly is connected with a bogie chassis. The refrigeration assembly is provided with a cooling energy input end connected with the cooling energy connecting end.
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72.发明公开公开(公告)号：US20240359566A1
公开(公告)日：2024-10-31
申请号：US18768201
申请日：2024-07-10
发明人： Zigang DENG , Zhentao DING , Maoru CHI , Mingming LI , Sanchun NIE , Yadong MA , Kaiwen LI
IPC分类号： B60L13/10 , B60L13/04 , H02K7/08 , H02K21/24 , H02P21/14 , H02P21/18 , H02P21/22 , H02P27/12
CPC分类号： B60L13/10 , B60L13/04 , H02K7/083 , H02K21/24 , H02P21/141 , H02P21/18 , H02P21/22 , H02P27/12 , H02P2207/05
摘要： A rotary permanent magnet electrodynamic suspension device includes drive systems, a suspension system, an isolation layer. The drive systems are symmetrically provided in an axial direction of the suspension system. The isolation layer is provided between the suspension system and each drive system. The suspension system includes a magnetic wheel, a non-magnetic conductor and a support. The non-magnetic conductor has electromagnetic induction with the magnetic wheel. The support and the magnetic wheel are both ring-shaped, and the magnetic wheel is sleeved on an outer circumference of the support. The drive systems are configured to drive the magnetic wheel to rotate through electromagnetic induction. The magnetic wheel includes an annular array of permanent magnets to form four pole pairs based on radial magnetization and tangential magnetization. A permanent magnet electrodynamic suspension using the device is also provided.
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73.发明公开公开(公告)号：US20240321111A1
公开(公告)日：2024-09-26
申请号：US18679268
申请日：2024-05-30
发明人： Jian GUO
IPC分类号： G08G3/02
CPC分类号： G08G3/02
摘要： Embodiments of the application provide a position estimation and prediction method for a moving object. The method includes: updating a model parameter of a position prediction model according to a position data sequence of the moving object at a current sampling moment; determining position prediction data at the current sampling moment according to the position data sequence and the position prediction model after the model parameter is updated; determining position estimation data at the current sampling moment according to the position prediction data and the position observation data at the current sampling moment; and determining position prediction data of a next sampling moment according to the position estimation data at the current sampling moment, the position data sequence and the position prediction model after the model parameter is updated, and entering an iteration operation of the next sampling moment.
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公开(公告)号：US20240253122A1
公开(公告)日：2024-08-01
申请号：US18630802
申请日：2024-04-09
发明人： Yi XU , Chengyang ZHANG , Siyi HE , Hui CHEN
CPC分类号： B22F9/14 , C22C1/02 , C22C14/00 , C22F1/183 , B22F2202/13 , B22F2301/205 , B22F2998/10 , B22F2999/00
摘要： A preparation method of Yttrium oxide dispersed and strengthened titanium alloy powders. The method includes following steps: mixing alloying elements according to alloy element ratios of: 0.1 wt % to 1.0 wt % Y, 5.5 wt % to 6.8 wt % Al, 3.5 wt % to 4.5 wt % V, Ti as balance, preparing alloy ingots by vacuum melting process, and performing forging and rolling process; performing mechanical treatment for forged and rolled alloy ingots, to obtain alloy rods that meet size requirement of plasma rotating electrode process; preparing titanium alloy powders based on alloy rods by the plasma rotating electrode process; preparing parameters are: rotating speed of the alloy rods is 25000 r/min to 35000 r/min, a feeding speed of the alloy rods is 1.0 mm/s to 2.0 mm/s, power of the plasma gun is 60 kw to 140 kw, a temperature of the inert gas is 200° ° C. to 400° C., oxygen content of atomization chamber not greater than 100 ppm.
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公开(公告)号：US11971326B2
公开(公告)日：2024-04-30
申请号：US18483481
申请日：2023-10-09
发明人： Weihua Zhang , Zigang Deng , Haiquan Bi , Wenxiang Zhou , Jun Guo , Zhigen Xu , Yinchuan Li , Le Liang
CPC分类号： G01M17/08 , B61B13/08 , B61B13/10 , B61B13/122 , B61C15/045
摘要： A dynamic simulation test platform for ultra-high-speed evacuated tube magnetic levitation (maglev) transportation includes an evacuated tube having a transition section and a vacuum section, a vacuum maintaining system, a motor supporting platform, and a model train. One end of the evacuated tube is provided with a first isolation door, and the other end is closed. A second isolation door is provided inside the evacuated tube. The vacuum maintaining system is connected to the transition section and the vacuum section. The motor supporting platform is provided in the evacuated tube and extends outside the transition section. The motor supporting platform is provided with a stator winding and a permanent-magnet track. A mover and a cryogenic dewar are provided at a bottom of the model train. The cryogenic dewar is provided with a superconducting bulk. A test method using the test platform is further provided.
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公开(公告)号：US11964305B2
公开(公告)日：2024-04-23
申请号：US18504885
申请日：2023-11-08
发明人： Xia Liu , Jiangxiong Luo , Xianghui Chang , Qijun Liu , Junchuan Zhang , Cong Zhang , Miao Zhang , Jun Liu , Yong Liu , Fuping Zhou
IPC分类号： B08B13/00
CPC分类号： B08B13/00
摘要： An automatic transport device for cleaning machines includes a transport base. A lifting-lowering assembly and a tray are provided on the transport base. The tray is connected to the transport base through the lifting-lowering assembly, and can be driven by the lifting-lowering assembly to reciprocate in a height direction. A top surface of the tray is provided with a translation assembly for transferring the shelf to the transport platform. A first mounting cavity is provided at each of front and rear ends of the tray. The translation assembly is connected to a side wall of the first mounting cavity. A second mounting cavity is provided at each of right and left ends of the tray. The second mounting cavity is provided with a limiting assembly, a lifting-lowering sensing assembly and a distance sensing assembly. An interactive system is provided in the transport base.
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77.发明授权公开(公告)号：US11809517B1
公开(公告)日：2023-11-07
申请号：US18123234
申请日：2023-03-17
发明人： Zefeng Wen , Qinglin Xie , Gongquan Tao
摘要： An adaptive method of cleaning structural health monitoring (SHM) data based on local outlier factor is provided, including following steps: step 1: dividing SHM data to be analyzed into a series of data segments by using adaptive sliding window (ASW) technology; step 2: extracting time-domain statistical factors and frequency-domain statistical factors of each of the data segments to refine data information, thereby forming objects for study; step 3: calculating an outlier degree of each of the objects by using a weighted multiscale local outlier factor (WMLOF) based on feature factors; and step 4: detecting anomalies in SHM data by comparing a WMLOF value with a threshold value. The adaptive method can improve data quality effectively.
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78.发明公开公开(公告)号：US20230347948A1
公开(公告)日：2023-11-02
申请号：US18052794
申请日：2022-11-04
发明人： Zefeng Wen , Xiaolong Liu , Xinbiao Xiao , Shulin Liang
CPC分类号： B61L23/045 , G06K9/6256 , G06N20/10
摘要： The present disclosure discloses a rail corrugation recognition method and apparatus based on a support vector machine, a device, and a medium. The method includes: obtaining wheel-rail noise signals in different time periods, and obtaining wheel-rail noise time domain information; dividing the wheel-rail noise time domain information into segmented wheel-rail noise time domain information corresponding to each of the different time periods; preprocessing each piece of segmented wheel-rail noise time domain information, and extracting a time domain statistical characteristic quantity and frequency domain eigenmode energy of each piece of segmented wheel-rail noise time domain information, to obtain a multi-dimensional wheel-rail noise characteristic vector; constructing a rail corrugation state recognition model based on a support vector machine, and training the rail corrugation state recognition model; and recognizing to-be-recognized wheel-rail noise data by using the rail corrugation state recognition model based on a support vector machine, to obtain a rail corrugation state.
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公开(公告)号：US11801756B2
公开(公告)日：2023-10-31
申请号：US18179982
申请日：2023-03-07
发明人： Zigang Deng , Hongfu Shi , Yuqing Xiang , Ting Cao , Hao Lu , Junzhi Liu , Le Liang , Jun Zheng
IPC分类号： B60L13/04
CPC分类号： B60L13/04 , B60L2200/26
摘要： A permanent magnet electrodynamic suspension system includes a conductor track and a suspension and guidance device. The conductor track is disposed on a roadbed, and the suspension and guidance device is disposed above the conductor track. The suspension and guidance device includes a first permanent magnet array and a second permanent magnet array. The first permanent magnet array and the second permanent magnet array are the same in the magnetization direction arrangement. The first permanent magnet array and the second permanent magnet array are arranged perpendicular to each other. A guidance method for the permanent magnet electrodynamic suspension system is further provided.
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公开(公告)号：US11787816B2
公开(公告)日：2023-10-17
申请号：US17746938
申请日：2022-05-17
发明人： Xianli Zhou , Shuai Huang , Feng Gao , Lin Chen
IPC分类号： C07D487/22 , C07F1/04 , C07F1/00 , A61P35/00
CPC分类号： C07D487/22 , A61P35/00 , C07F1/005 , C07F1/04
摘要： A chlorin compound, and a preparation and use thereof, related to medicine. The chlorin compound is represented by formula (I), or a salt, a stereisomer, a hydrate, a solvate or a prodrug thereof.
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