122 results about "Distributed structure" patented technology

The invention discloses a federal learning security training method and system based on differential privacy, belongs to the technical field of artificial intelligence, and aims to solve the technical problem of how to realize data privacy protection and model precision balance in cross-mechanism model training. Comprising the following steps: constructing a distributed structure comprising a plurality of clients and a server; each client constructs a noise variance calculation model by taking the gradient feature, the privacy budget coefficient, the data sensitivity level coefficient and the training stage coefficient as calculation parameters after each round of local training is finished, and Gaussian noise is calculated according to the noise variance; verifying the noise variance of each round, and adjusting the calculation parameters of the noise variance based on the comparison result of the accumulated budget consumption and the global privacy budget; dynamically allocating the data sensitivity level of the local training data and the budget allocation proportion of the client; and the server performs secure aggregation through a secret sharing algorithm, and distributes the updated global model parameters to each client.

The invention discloses a graphite diacetylene / copper oxide composite material cocatalyst and a co-production preparation process and application thereof. Graphite diyne has a two-dimensional layered structure and is composed of sp and sp hybridized carbon atoms, a periodically distributed structure is formed, and excellent electron transmission performance and pore structure are shown. An existing graphite diacetylene synthesis method is complex and high in cost, large-scale application of the graphite diacetylene in the industrial field is seriously restricted, the potential value of a copper catalyst cannot be fully exerted, and resource waste is caused. According to the invention, through a simple and efficient co-production process, co-production of graphite diyne and copper oxide nanoparticles is realized for the first time, and the graphite diyne / copper oxide composite material is successfully prepared. The novel composite material can be used as a cocatalyst to effectively improve photocatalytic hydrogen production, and the hydrogen production performance can be comparable with that of noble metal photocatalysts such as Pt. The problems of tedious steps, high energy consumption, low yield and the like in a traditional preparation method are solved, and the preparation method has important application value in the field of high-performance photocatalysis.

The embodiment of the utility model provides a main brush cover, automatic cleaning equipment and a cleaning system, the main brush cover is applied to the automatic cleaning equipment, a distribution structure is arranged on the main brush cover, and the distribution structure moves along with the automatic cleaning equipment. The distributing structure is used for moving sundries on the moving path of the distributing structure out of the moving path. The distribution structure is arranged on the main brush cover, so that sundries on a path can be pushed out of the moving path in the moving process of the automatic cleaning equipment, and the sundries, especially granular sundries, are prevented from being clamped between the automatic cleaning equipment and a to-be-cleaned surface; and the situation that the to-be-cleaned surface is scratched due to the fact that the automatic cleaning equipment drives the granular sundries to move

The invention belongs to the technical field of electromagnetic wave functional materials, and particularly relates to a nested split ring wave-absorbing metamaterial and a preparation method thereof. The wave-absorbing metamaterial sequentially comprises an FSS metal structure layer, a dielectric layer and a metal matrix layer from top to bottom in the thickness direction, the FSS metal structure layer is formed by distributing structure units in a periodic array mode, each structure unit is composed of a double-opening outer ring shaped like a Chinese character'hui 'and a double-opening inner ring, the double-opening outer ring is a split square, and the double-opening inner ring is a hollow square. The structural units are symmetrically arranged about the diagonal line of the dielectric layer. The FSS metal structure layer designed by the invention has anisotropy, so that the polarization direction of an incident wave can be rotated by 90 degrees in a reflection mode. By means of the design, the two functions of electromagnetic wave absorption and polarization conversion are achieved at the same time, and meanwhile the effect of multiband wave absorption is achieved. Within the frequency band of 4 GHz to 18 GHz, the maximum wave-absorbing strength of the nested wave-absorbing metamaterial is as high as-30 dB, and the effective wave-absorbing bandwidth can reach 7.5 GHz.

The invention discloses a distributed transaction coordination system for a high-concurrency scene, and particularly relates to the technical field of distributed computing and transaction management. The system comprises a transaction manager, a resource agent group and a log storage module, the transaction manager receives a transaction request, generates a global transaction identifier and maintains a state machine, and an internal fragment coordinator routes the transaction to different processing fragments according to a consistent Hash algorithm for parallel coordination; the resource agent group is connected with each resource node, executes local operation and reports a state through an asynchronous batch mechanism; and the log storage module adopts a multi-copy distributed structure to persist transaction logs. Through fragment parallel processing, asynchronous state reporting and multi-copy log cooperation, the system throughput is effectively improved, the transaction delay is reduced, and the final consistency and high availability of distributed transactions are guaranteed.

The invention relates to the technical field of power distribution networks, in particular to a power distribution network self-healing control method and device and a medium, and the method comprises the steps: building a distributed structure model, obtaining a topological structure, collecting historical power distribution abnormal data, carrying out the data preprocessing and feature extraction, inputting the data into a first deep learning model, training the first deep model, and carrying out the self-healing control of the power distribution network; adjusting parameters to obtain a fault detection model, collecting real-time power distribution data, inputting the real-time power distribution data into the fault detection model, obtaining a power distribution abnormal position, inputting the power distribution abnormal position into a topological structure, obtaining a reconstruction power distribution scheme through calculation, obtaining an influence factor through calculation, collecting power distribution abnormal data and carrying out feature extraction. The second depth model is trained, parameters are adjusted, an oscillation judgment model is obtained, whether oscillation happens to the reconstructed power distribution scheme or not is judged, cost calculation is conducted on the reconstructed power distribution scheme without oscillation, a topological structure is recognized and updated, cost is reduced, and economic benefits are improved.

The present invention belongs to the technical field of engineering structure analysis and optimization, and discloses a method for predicting vehicle body structural performance based on heterogeneous graph neural networks. The technical points include: sampling the structural samples required by the data set in the design domain to be predicted, using heterogeneous graph representation methods and numerical analysis methods to establish a heterogeneous graph data set; defining the HGNN design space with the HGT layer as the core; using part of the heterogeneous graph data set, controlled random search method and grid search method to construct the optimal HGNN model; using the entire heterogeneous graph data set and the optimal training configuration parameters to complete the training of the optimal HGNN model; using the trained HGNN model to predict the performance of any structural sample in the design domain. The present invention is not only applicable to homogeneous structures corresponding to homogeneous graphs, but also to more widely distributed structures corresponding to heterogeneous graphs, which greatly improves the versatility of the method and enhances the scalability of the method without losing the scope of application.

The utility model belongs to the technical field of building profiles, and particularly relates to a veneer connection transition profile which comprises a main body piece and an auxiliary piece, at least one main body piece is arranged between two horizontally-arranged veneers, a plurality of evenly-distributed structure strengthening protrusions are arranged on the main body piece, and the auxiliary piece is arranged on the main body piece. A male connecting end and a female connecting end which can be matched with each other are arranged on the two sides of the main body piece respectively, and the male connecting end and the female connecting end are laterally connected with the veneer through the auxiliary pieces respectively. Male and female connecting ends which are matched in a concave-convex shape are arranged on the two sides of each main body piece, so that every two adjacent main body pieces can be spliced and connected together, meanwhile, the auxiliary piece fixed to the leveling layer is matched so as to adjust the structural form of the female connecting ends of the main body pieces, and the two sides of each main body piece can be spliced with the veneer. And the fixing effect of the main body piece on the wall surface is further enhanced.

A system, method, and distributed control protocol for autonomous physical structure formation and reconfiguration using programmable matter. The system comprises a plurality of discrete, mechanically interlocking robotic units (“voxels”), each voxel including on-board power storage, computation, sensing, actuation, and selectively switchable inter-unit coupling mechanisms. The voxels are governed by a Symbolic Morphogenic Architecture Kernel configured to receive a digital volumetric structure definition and to compute distributed motion and coupling instructions for the voxels without reliance on external fabrication machinery. Upon receipt of a configuration instruction, the Kernel generates a coordination field that guides stochastic or deterministic voxel movement, enabling the aggregate mass to transition between unlocked and locked states and thereby flow into, rigidize, disassemble, or reshape into a target physical structure. The protocol further includes a distributed structural verification mechanism wherein local voxel processors continuously evaluate load, gravity, and connectivity constraints.

The utility model provides an automatic weighing and distributing machine which comprises a shell assembly and a distributing structure arranged in an inner cavity of the shell assembly, the distributing structure comprises a control mechanism, a discharging mechanism, a weighing mechanism and a distributing mechanism, the discharging mechanism is electrically connected with the control mechanism, the discharging mechanism comprises a discharging groove and a spiral vibration assembly connected with the discharging groove, and the weighing mechanism is electrically connected with the discharging groove. The discharging groove is provided with a first outlet, the weighing mechanism comprises a weighing machine and a weighing container connected with the weighing machine, the first outlet of the discharging groove is formed above an inlet of the weighing container, and the blocking plate of the distributing mechanism is movably arranged at a second outlet of the weighing container. According to the automatic weighing and distributing machine provided by the utility model, the distributing accuracy of materials which are relatively high in viscosity, easy to cake or non-uniform in particle can be improved.

The invention discloses an all-organic battery based on a redox covalent organic polymer as well as a preparation method and application of the all-organic battery. The structure of the two-dimensional covalent organic polymer positive / negative electrode material is rationally designed, so that high output voltage, specific capacity and energy density are expected to be realized at the same time. The electrode provided by the invention adopts an amorphous cross-linked polymer as an active material. Compared with a crystalline inorganic electrode material or a micromolecular organic electrode material, the amorphous structure can provide sufficient internal free volume, and is beneficial to efficient storage and rapid migration of charged ions. Meanwhile, the structure promotes the full contact between the electrode and the electrolyte and effectively reduces the interface impedance, so that the overall electrochemical performance is remarkably improved. The whole preparation process does not involve the use of metal, and the steps are simple; the prepared polymer electrode not only has a uniformly distributed structure, but also has good hydrophilic performance, can be suitable for various application scenes, and has wide development prospects.

The invention discloses an energy storage system and an equalization management strategy thereof, and belongs to the technical field of new energy storage and power generation, and the system comprises a bidirectional energy storage converter, a bidirectional DC converter, a power supply management and control unit, a battery management high-voltage box and a battery system. One end of the bidirectional energy storage converter is externally connected with a load or grid-connected alternating current, the other end of the bidirectional energy storage converter is in bidirectional connection with one end of the bidirectional direct current converter, and the other end of the bidirectional direct current converter is in bidirectional connection with multiple groups of lines of the battery management high-voltage box; the other end of the battery management high-voltage box is bidirectionally connected with a battery system through a plurality of groups of lines, and the power supply management and control unit is in bidirectional communication connection with the bidirectional energy storage converter, the bidirectional direct-current converter and the battery management high-voltage box. According to the energy storage system with a distributed structure, multi-channel independent charging and discharging control is carried out on the battery system through a plurality of mutually independent channels, and rapid energy storage balance between battery packs is realized.

The utility model discloses an integrated towing tugboat assembly distribution structure of a floating type wind turbine generator. The two outwards-expanded ends of a triangular fan floating body are symmetrically connected with low-speed towing tugboats through towing cables, and the two low-speed towing tugboats symmetrically carry out forward towing acceleration on the fan floating body; the system further comprises two pushing tugboats which are symmetrically distributed, and the two pushing tugboats are located on the two sides of the front end of the fan floating body between the two low-speed lifting tugboats respectively. The fan floating body is towed forwards through the low-speed tugboat to be accelerated and advance, in the towing process, pushing and turning can be conducted through the pushing tugboat, and the technical problem that in the prior art, pushing and turning cannot be conducted on a buoyancy base is solved.

A hydrogen fuel cell forklift truck with a distributed architecture includes a frame, and, a hydrogen storage system, a fuel cell, a cooling system and an energy storage system arranged on the frame, and the fuel cell is connected with the hydrogen storage system and the energy storage system for charging the energy storage system and providing kinetic energy; the hydrogen storage system is located outside the fuel cell and exposed to the frame for supplying hydrogen to the fuel cell; the cooling system is located outside the fuel cell and connected to the fuel cell for cooling the fuel cell; the energy storage system is located outside the fuel cell and connected to the fuel cell for recovering braking energy and providing kinetic energy together with the fuel cell.

The invention relates to the technical field of spin vibration screens, in particular to a negative-pressure non-contact spin vibration screen feeding device which comprises a feeding box shell, a dustproof isolation cover, a material uniformizing assembly and a negative-pressure dust removal assembly, a discharging opening is formed in the lower end of the feeding box shell and sleeved with the dustproof isolation cover, the discharging opening is inserted into a screen body feeding opening of a spin vibration screen, and the material uniformizing assembly is connected with the negative-pressure dust removal assembly. Certain gaps are kept between the dustproof isolation cover and a screen body feeding port of the spin vibration screen and between the discharging port and the screen body feeding port of the spin vibration screen, so that it is guaranteed that the feeding device does not make contact with the spin vibration screen, and the negative pressure dust removal assembly is used for keeping the negative pressure state in the feeding box shell; the material uniformizing assembly comprises a transverse material distributing structure and a longitudinal material distributing structure, the transverse material distributing structure comprises a left material distributing plate and a right material distributing plate and is used for dispersing materials in the left-right direction, and the longitudinal material distributing structure comprises a plurality of material uniformizing plates which are used for dispersing the materials in the front-back direction; the feeding device not only can avoid the phenomenon that the production efficiency is reduced due to the damage of the flexible connecting piece, but also has better applicability, and ensures the dispersion effect of materials.

The utility model belongs to the technical field of quantitative food packaging, and particularly relates to a flat scraping type material distributing port for quantitative food packaging, which comprises a fixing plate, a body structure arranged on the right side of the fixing plate, a fixing structure connected to the outer surface of the body structure, and material distributing structures connected to the front surface, the back surface and the bottom end of the body structure. A baffle is installed at the top end of the material distributing opening, grooves are formed in the outer surfaces of the material distributing opening and the baffle, and protruding blocks are arranged in the material distributing opening and the baffle. According to the flat scraping type material distributing opening for quantitative food packaging, through the arrangement of the body structure, the situation that powdery materials are adsorbed to the inner wall due to static electricity and consequently the quantitative discharging effect is affected can be effectively reduced through the grooves and the protruding blocks correspondingly arranged on the surfaces of the material distributing opening and the baffles, and the fixing frame and the material distributing opening are fixedly connected through the limiting columns; and the first movable plate is hinged to the second movable plate, the first scraper and the second scraper can be driven to conduct left-right material distribution, and the sub-packaging efficiency is effectively improved.

The application provides a multi-network domain and multi-tenant authentication method and system based on a distributed structure, and a medium. The method comprises the following steps: respectively deploying controller clusters in different network domains, wherein the controller cluster comprises a controller pool and a plurality of controllers, and the controller pool provides tenant request proxy services for the plurality of controllers; deploying a control center in an area in network communication with each network domain, wherein the controller pool provides access proxy services for the corresponding plurality of controllers to the control center; in response to the controller cluster receiving a tenant request, the controller pool forwards the tenant request to the corresponding controller, the controller generates login information, and accesses the control center through the pushing of the controller pool to perform authentication. The application realizes permission isolation and mutual trust and authentication between self-defined differentiated multi-network domain and multi-tenant, and improves the flexibility and adaptability of the authentication and authorization mode.

The utility model discloses a vehicle-mounted oil bag damping hard disk box which comprises a main frame and a plurality of inner barrier strips fixedly connected to the inner side walls of the two sides of the main frame, limiting slots are formed among every four inner barrier strips distributed in a rectangular mode, and hard disk assemblies are inserted into the limiting slots. The hard disk assembly comprises a main support and a plurality of oil bags fixedly installed on the inner wall of the main support, a mounting frame is fixedly installed at the ends of the oil bags jointly, a box body is fixedly installed in the mounting frame, and a hard disk body is fixedly installed in the box body. According to the utility model, the plurality of oil bags are arranged on the side wall of the main bracket, so that the purpose of damping the hard disk body is realized, the oil bags can automatically adapt under different impact strengths, effectively absorb and disperse vibration and reduce the influence on the hard disk, the oil bag system can be lighter, the weight of the whole machine can be reduced, and the improvement of the overall performance is facilitated; and the four oil bags are uniformly distributed, so that the hard disk body is prevented from being damaged due to overlarge local stress.

The utility model provides a cooking device with a split structure. Relates to the field of cooking equipment, and aims to solve the problem that existing cooking equipment occupies a large area in the horizontal direction and is inconvenient to arrange, a top frame and a bottom frame are combined, a mounting bottom plate, a middle plate and a top plate form a three-layer distributed structure, a saucepan is mounted on the middle plate to be erected above a water supply mechanism, and a feeding mechanism is mounted on the top plate to be erected above the saucepan. Therefore, the space in the vertical height direction is utilized, the occupied area in the horizontal direction is reduced, and the arrangement flexibility is improved.

The utility model discloses a kind of shelf support fixing devices, including support bar, support bar is slidably arranged with base along support bar length direction on it, support groove with upper end opening is equipped on base, multiple positioning blocks are equipped along length direction in the opposite sides of support bar, form positioning slot between adjacent two positioning blocks, limit card block is symmetrically equipped on the both sides of base, limit block that can be inserted into the limit of positioning slot is equipped on limit card block. By adopting the distributed structure of support bar double-side positioning block and positioning slot, cooperate with the limit card block and limit block that are symmetrically arranged on the both sides of base, realize double-side synchronous locking, greatly improve stability and anti-vibration carrying capacity. In the locking state of pressing plate, its two side walls are in contact with two limit card blocks, so that limit card block does not rebound, so it is more reliable, prevent limit block from separating from positioning slot;Buckle end is pressed into support groove, so as to press the shelf in support groove and lock the shelf. Single pressing pressing plate can trigger shelf unlocking and limit release simultaneously.

The invention belongs to the technical field of automobile heat management devices, and particularly relates to an agent side distributed structure valve terminal assembly of a ram-type runner plate and a production process of the agent side distributed structure valve terminal assembly. Comprising a bottom plate assembly, a ram-type runner plate brazed on the bottom plate assembly, various valve mounting seats and a plurality of modular interface flanges, the ram-type runner plate is oppositely attached to a bottom plate assembly brazed surface on the bottom plate assembly through a ram-type runner plate brazed surface on the ram-type runner plate, and a plurality of runner structures are arranged on the ram-type runner plate. The multiple valve mounting seats are fixed on the multiple runner structures, and the multiple modular interface flanges are mounted on the side surface of the ram-type runner plate. The overall weight of the agent-side heat management module is reduced, the requirement for light weight of the whole vehicle is met, and meanwhile the yield of the heat management module is increased.

The invention belongs to the technical field of Internet of Things, and discloses an equipment monitoring data synchronization method, system and device based on Redis registration, which can reduce the waste of system resources, abandon the mode of dual data acquisition by a center and sub-nodes, and realize the synchronization of the equipment monitoring data through the modes of sub-node acquisition, Redis registration and center synchronization. The redundant consumption of calculation, storage and network bandwidth is reduced; the problem that the center cannot acquire the data when the partial node fails is solved, and the center end can actively update the state based on the equipment information stored in the relational database through a lease renewing timeout processing mechanism, so that the continuity of the monitoring data is guaranteed; through Redis registration information (partial nodes and equipment) and a UUID unique identifier, accurate synchronization of data of the center end and the partial end is realized, and data conflict or confusion is avoided; and the method is suitable for a complex Internet of Things monitoring system with a distributed structure, and can flexibly meet the state information synchronization requirement of large-scale Internet of Things equipment.

The present invention provides a data access method, apparatus, and electronic device. A game process receives a data access request sent by a target client. If the target data required by the data access request is stored in a data cache object in the game process, it is determined whether the target data in the data cache object is valid. If the target data is invalid, a first data acquisition request is sent to the server so that the server returns the incremental data of the target data. The target data stored in the data cache object is updated based on the incremental data, and the updated target data is sent to the target client. In this way, for the clients under the same game process, only the game process needs to act as an agent to request the shared data from the server once, and the shared data can be saved in the data cache object of the game process, so that the client can obtain the shared data from the data cache object, thereby reducing the access frequency of the server. Moreover, due to the natural distributed structure of the game process, the access pressure on the server is also reduced.

This invention discloses an air guiding and ventilation device for use with a three-dimensional flow blade fan. The three-dimensional flow blade fan is housed within its ventilation housing, with at least one radially distributed ventilation unit. Each unit includes a volute guide wall and a corresponding air outlet. The volute guide wall extends spirally, with its curved end transitioning to the air outlet and its flat end connecting to the outlet of the adjacent unit. The edge outlet where the volute guide wall meets the air outlet is C-shaped. This C-shaped outlet matches the C-shaped airflow direction of the trailing edge of the three-dimensional flow blade fan blades, eliminating corner blockage and vortices in traditional rectangular outlets, allowing for smooth airflow transition. Combined with optimization of the volute's α-angle, β-angle, and outlet axial distance, the airflow is significantly increased, effectively improving static pressure efficiency, and the multi-channel distributed structure reduces vibration and noise.

The embodiment of the invention discloses a water quality monitoring system and method based on a swan gap. The system comprises a hardware adaptation layer, a distributed core layer, a service customization layer and an application interaction layer, and the hardware adaptation layer is used for carrying out compatibility adaptation on underlying hardware and carrying out compatibility adaptation on a data transmission protocol; the distributed core layer is used for carrying out ad hoc network in a local area based on a swan-gap distributed architecture and establishing a communication network between the front-end equipment and the monitoring platform; the business customization layer is used for establishing corresponding function modules according to water quality monitoring business requirements, so as to realize the water quality monitoring business requirements based on the function modules; and the application interaction layer is used for providing an interaction entrance with the remote monitoring terminal and the local equipment and realizing interaction with the remote monitoring terminal and the local equipment. According to the scheme, a system with equipment distribution coordination, working condition dynamic sensing, unmanned operation and maintenance scheduling and safe, autonomous and controllable is constructed by deeply customizing a swan-gap distributed structure, and unmanned intelligent water quality monitoring is realized.

The present disclosure relates to a parallel high-speed positioning rehabilitation robot and a control method thereof. The parallel high-speed positioning rehabilitation robot comprises a base, a support column, a transmission assembly and a telescopic positioning assembly. The support column is arranged on the base in a vertical direction. One end of each of the two groups of transmission assemblies is rotationally connected to the end of the support column away from the base, and the transmission assemblies rotate in a horizontal direction along the support column. Each group of transmission assemblies rotationally connects at least two groups of telescopic positioning assemblies. The telescopic positioning assembly comprises two telescopic mechanisms and a positioning ring. One end of the telescopic mechanism is rotationally connected to the transmission assembly, and the other end of the telescopic mechanism is connected to the positioning ring. The present disclosure has the structure composed of the above-mentioned multiple independent parts. Such a distributed structure significantly improves the stability of the robot during work. Moreover, such a parallel structure enables the rehabilitation robot to respond to control instructions more quickly, realizes high-speed and accurate positioning, and has higher efficiency and better effect.

The invention discloses a Ka wave band bidirectional amplifier chip circuit. The circuit comprises a radio frequency switch circuit model, a low noise amplifier circuit model and a power amplifier circuit model. The radio frequency switch circuit is provided with an input port and two output ports which are respectively connected to the input ends of the low noise amplifier and the power amplifier, and half-duplex communication is realized by switching a receiving mode and a transmitting mode through a control signal. The radio frequency switch circuit adopts an asymmetric MOS stacked series-parallel structure, and low insertion loss and high isolation are realized through parallel inductors and short circuit branches; the low-noise amplifier adopts a three-level inductor distributed structure, and inductors are connected in series at a source electrode to realize negative feedback; and the power amplifier adopts a two-stage high-power Cascode structure. According to the method, the element-level model is established based on a circuit physical working mechanism, the linear / nonlinear electrical performance of the transceiving system can be accurately represented, the simulation efficiency is remarkably improved, and an effective simulation precondition is provided for a large complex network system.

The utility model discloses an automatic material distribution structure based on bearing steel ball polishing belongs to bearing steel ball field, the utility model discloses a fixed frame one end fixed mounting has the buffer box, and the fixed frame is away from the collecting box one end fixed mounting and has the collecting box, and the fixed frame in fixed mounting has the material distribution subassembly, the utility model discloses through the separator board to the steel ball and restricts, makes it in the channel basically presents single column or a small amount of column and advances, greatly reduced the mutual violent impact, friction and rolling of steel ball between, movable baffle control a small amount of steel ball orderly down, further reduced the impact and mutual impact when the falling, the high accuracy surface of steel ball after polishing was protected to the maximum extent, avoids secondary damage, and simultaneously utilizes movable baffle control steel ball release rhythm, effectively solved the problem of the disorderly accumulation of traditional slide end and blocked, realizes continuous, steady, automatic material distribution.