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公开(公告)号：US12047860B2
公开(公告)日：2024-07-23
申请号：US17762023
申请日：2020-05-27
发明人： Ying Zhang , Xinheng Wang , Lei Chen , Bin Zhang , Jie Wu
IPC分类号： H04W84/18 , H04L45/00 , H04L45/17 , H04W40/10 , H04W40/22 , H04W40/32 , H04W4/08 , H04W36/00
CPC分类号： H04W40/10 , H04L45/17 , H04L45/46 , H04W40/22 , H04W40/32 , H04W84/18 , H04W4/08 , H04W36/0009
摘要： The present invention discloses a clustering routing optimization method based on adaptive evolutionary algorithm for a wireless sensor network, comprising following steps: performing population initialization by initial position and energy information of sensor nodes; calculating fitness values, and implementing iterative operation of elite preservation, adaptive crossover and mutation; after the iteration, selecting a cluster head; routing data packet of the cluster head to a base station. Convergence process of the evolutionary algorithm is improved by nonlinearly adjusting the probability of crossover and mutation; upper and lower bound of crossover and mutation operators are dynamically adjusted by fitness value; adding an incentive factor, adjusting the crossover and mutation probability when the fitness value tends to converge, and running the algorithm again to confirm that a new optimal value is generated. The global search capability and convergence speed of the algorithm are improved by the above method, and avoiding local convergence.
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公开(公告)号：US12040686B2
公开(公告)日：2024-07-16
申请号：US17777318
申请日：2020-05-27
发明人： Fengting Fu , Weihu Fu , Zhenzhong Chu , Zhiqiang Li , Da Wang , Fulun Wang
IPC分类号： H02K7/116
CPC分类号： H02K7/116
摘要： The present invention discloses an underwater transmission device with a lead screw sliding block mechanism, and relates to the technical field of underwater transmission devices. The device comprises a watertight motor and a lead screw sliding block mechanism A detection device is arranged in the watertight motor and comprises a planetary reducer and a rotary transformer. The lead screw sliding block mechanism comprise a base, a lead screw threaded rod and a sliding block. The watertight motor and the lead screw sliding block mechanism of the underwater transmission device with a lead screw sliding block mechanism are integrally designed. Therefore, the device has a compact structure. The rotary transformer can detect the absolute position of the sliding block, and facilitates debugging of the control system of the watertight motor. An instrument device can be fixed to the sliding block to accurately and linearly reciprocate.
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公开(公告)号：US11977383B2
公开(公告)日：2024-05-07
申请号：US18366669
申请日：2023-08-07
发明人： Zhijian Huang , Lizhe Yang , Siyu Zhang , Guichen Zhang , Yanji Liu , Hongren Wang
CPC分类号： G05D1/0088 , G05D1/0206 , G06N3/04
摘要： An intelligent course planning method and controller for unmanned surface vehicle are provided, an overall optimization from starting point to end point of course deflection angle is achieved based on an optimization principle of approximate dynamic programming; an optimization of minimization of the course deflection angle and a control signal is achieved based on a quadratic form cost function and a performance index by designing a virtual radial basis function neural network and a least square method, a target course expression is obtained, and a stability and a degree of convergence are ensured through a positive-definite constraint of the Hessian matrix of the performance index. Compared with the related art, an overshoot of course deflection and the control signal is reduced, an optimization of flight and steering energy consumption is achieved, and completely data-driven for intelligent course planning for unmanned surface vehicle and a high-accuracy feedback adjustment are achieved.
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4.发明公开公开(公告)号：US20240093827A1
公开(公告)日：2024-03-21
申请号：US18469668
申请日：2023-09-19
发明人： Jianhua WANG , Wenbo CHE , Xiang ZHENG , Mengdi ZHANG , Zijun PAN , Haozhu WANG
CPC分类号： F16L55/48 , B60F3/0061 , F16L2101/30
摘要： An amphibious robot for in-service inspection of drainage pipelines and a control method thereof are provided. The robot includes a robot body, a detection module for detecting environmental state and pose information of robot itself, a propulsion module including a car-like propulsion module and a ship-like propulsion module for controlling robot movement, a structure conversion module for realizing the conversion between the two modes, a ground terminal controller for remote information monitoring and issuing instructions, a mobile terminal controller for receiving instructions and controlling robot movement and structure conversion, and a power module. The control method includes displaying data through the ground terminal controller, processing environmental information collected by the detection module, determining the robot's working mode and switching working mode through the structure conversion module, adopting the ship-like working mode in deep water, and adopting the car-like working mode in the waterless or shallow water environment.
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公开(公告)号：US20240054183A1
公开(公告)日：2024-02-15
申请号：US17802677
申请日：2021-06-01
发明人： Changming ZHU
IPC分类号： G06F18/2132 , G06F18/23213
CPC分类号： G06F18/21322 , G06F18/23213
摘要： Disclosed are an information enhancing method and an information enhancing system. The information enhancing method includes: sampling information to obtain a multi-view dataset labelled with feature and class; creating a fix function to represent “quantity of fixes”; creating a view sub-classifier to represent “quality of fixes”; unifying the “quantity of fixes” and the “quality of fixes” to create a quantity-quality balance model, and resolving the quantity-quality balance model to obtain a fixed multi-view dataset; computing weight of each view and weight of the feature of the fixed information; computing information entropy of a fixed labeled sample based on the weight of the view and the weight of the feature; and selecting a labeled sample based on the information entropy and the weights according to a selected generation manner to generate an unlabeled sample, thereby augmenting the sampled information and realizing information enhancement. By fixing and augmenting the sampled information, the disclosure effectively enhances the sampled information and improves application system performance, thereby offering a better guide to system design.
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公开(公告)号：US11820947B2
公开(公告)日：2023-11-21
申请号：US17489418
申请日：2021-09-29
发明人： Ji Guo , Yujia Lou , Wanyi Wang , Xianhua Wu , Bangping Gu
IPC分类号： C10G11/00 , G06F30/27 , G06F111/10
CPC分类号： C10G11/00 , G06F30/27 , C10G2300/104 , C10G2300/305 , G06F2111/10
摘要： The present invention discloses a method of reducing octane loss in catalytic cracking of gasoline in S-Zorb plant. The method comprises following steps: a. Collecting equipment data and adjusting differences thereamong to construct initial data sample set; b. Collating data sample set; c. Employing local linear embedding to reduce dimension of independent variables, and trimming the independent variables to obtain reserved independent variables; d. Calculating correlation coefficients of the reserved independent variables and removing variables with too high correlation coefficients to obtain main variables; e. Constructing a BP neural network model of the main variables to obtain optimal octane loss prediction model; f. Employing the optimal octane loss prediction model to obtain a predicted optimal operating condition for each main variable. The present invention has advantage of reducing octane loss and improving quality of refined oil.
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公开(公告)号：US20220407385A1
公开(公告)日：2022-12-22
申请号：US17777318
申请日：2020-05-27
发明人： Fengting Fu , Weihu Fu , Zhenzhong Chu , Zhiqiang Li , Da Wang , Fulun Wang
IPC分类号： H02K7/116
摘要： The present invention discloses an underwater transmission device with a lead screw sliding block mechanism, and relates to the technical field of underwater transmission devices. The device comprises a watertight motor and a lead screw sliding block mechanism A detection device is arranged in the watertight motor and comprises a planetary reducer and a rotary transformer. The lead screw sliding block mechanism comprise a base, a lead screw threaded rod and a sliding block. The watertight motor and the lead screw sliding block mechanism of the underwater transmission device with a lead screw sliding block mechanism are integrally designed. Therefore, the device has a compact structure. The rotary transformer can detect the absolute position of the sliding block, and facilitates debugging of the control system of the watertight motor. An instrument device can be fixed to the sliding block to accurately and linearly reciprocate.
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公开(公告)号：US11437928B2
公开(公告)日：2022-09-06
申请号：US17396715
申请日：2021-08-08
发明人： Tianzhen Wang , Han Wang
摘要： The present invention provides an adaptively modulated multi-state inverter system, comprising: a split capacitor, four bridge arms and an isolation switch group, on each of the four bridge arms a pair of complementary power switch groups is arranged; the isolation switch group comprises four fuses and six bidirectional thyristors. The output branches of the first bridge arm, the second bridge arm and the third bridge arm are respectively connected in series with a fuse to output a three-phase voltage, and at three-phase output voltage side two shared auxiliary branches are arranged, one auxiliary branch starts from the fourth bridge arm output branch on which a fuse is connected in series and is then connected to the output terminal of the three-phase voltage via three bidirectional thyristors. The other auxiliary branch starts from the DC side feed branch from the midpoint of the split capacitor, and is connected with the output terminal of the three-phase voltage via three bidirectional thyristors respectively. The invention also provides a modulating method of the multi-state inverter system. The use of the adaptive modulating technology enables the multi-state inverter to have the functions of overcurrent protection, isolation of faulty bridge arms and fault-tolerant control on any single and double bridges.
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9.发明授权公开(公告)号：US11358124B2
公开(公告)日：2022-06-14
申请号：US16963420
申请日：2019-05-28
发明人： Qun Qian , Daolun Feng , Yue Lin
IPC分类号： B01J21/00 , B01J21/06 , B01J35/00 , B01J37/34 , C02F1/32 , C02F1/72 , B01J37/04 , C02F101/30
摘要： Disclosed is a preparation method of a nanometer metal oxide supported carrier based on anodic oxidation, comprising: Step 1: adding electrolyte to a reaction pool, and fixing the cathode and the anode oppositely, wherein the cathode is a metal plate that is identical to the nano-metal oxide, and the anode is a carrier metal material; Step 2: stirring the electrolyte at a constant speed, wherein the revolution speed is not lower than 500 rpm; Step 3: switching power on; setting the output voltage between 10 v and 50 v; and subjecting the metal plate of the anode to anodic oxidation reaction, wherein metal oxide nanotubes/nano particles are generated on the surface; under the action of stirring, the metal oxide nanotubes/nano particles on the anode surface are dissolved and shed off into the electrolyte; under the action of the electric field force, the dissolved and shed-off nano fragments migrate towards the cathode and are adhered to the surface of the cathode material, thereby forming a nano-metal oxide film. The film preparation method according to the disclosure offers advantages such as mild condition, simple instrumentation, easy operation, and low cost; the prepared film has a good load effect such that the metal oxide can hardly be shed off.
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10.发明申请公开(公告)号：US20220062863A1
公开(公告)日：2022-03-03
申请号：US16963420
申请日：2019-05-28
发明人： Qun QIAN , Daolun FENG , Yue LIN
摘要： Disclosed is a preparation method of a nanometer metal oxide supported carrier based on anodic oxidation, comprising: Step 1: adding electrolyte to a reaction pool, and fixing the cathode and the anode oppositely, wherein the cathode is a metal plate that is identical to the nano-metal oxide, and the anode is a carrier metal material; Step 2: stirring the electrolyte at a constant speed, wherein the revolution speed is not lower than 500 rpm; Step 3: switching power on; setting the output voltage between 10v and 50v; and subjecting the metal plate of the anode to anodic oxidation reaction, wherein metal oxide nanotubes/nano particles are generated on the surface; under the action of stirring, the metal oxide nanotubes/nano particles on the anode surface are dissolved and shed off into the electrolyte; under the action of the electric field force, the dissolved and shed-off nano fragments migrate towards the cathode and are adhered to the surface of the cathode material, thereby forming a nano-metal oxide film. The film preparation method according to the disclosure offers advantages such as mild condition, simple instrumentation, easy operation, and low cost; the prepared film has a good load effect such that the metal oxide can hardly be shed off.
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