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56 results about "Adaptive topology" patented technology

Fault diagnosis and remote monitoring system and method for solar power supply system

The invention discloses a fault diagnosis and remote monitoring system and method for a solar power supply system, and relates to the technical field of fault diagnosis of a solar system, and the system comprises a heterogeneous multi-mode sensing module which collects the multi-dimensional information of an assembly through a plurality of sensors; the memristor storage and calculation integrated unit is used for realizing data filtering and feature extraction; the multi-scale causal diagnosis engine is used for diagnosing faults by fusing deep learning and causal diagrams; a self-adaptive topology communication network ensures data transmission; a digital twinborn monitoring platform and visual operation and maintenance are adopted, and in addition, an intelligent evolution decision and self-reconfiguration sensor network module is further arranged, so that the intelligence and reliability of the system are improved. Through cooperation of multiple modules, accurate fault diagnosis and positioning are realized, the diagnosis time is shortened, stable data transmission is ensured, self-repairing and autonomous learning capabilities are provided, the operation and maintenance cost can be reduced, the power generation efficiency can be improved, and the reliability and economic benefits of a solar power supply system can be enhanced.
Owner:CHANGZHOU DATANG PHOTOVOLTAICTECHNOLOGY CO LTD

Activation value re-segmentation communication method for heterogeneous AI acceleration chip server

The invention relates to an activation value re-segmentation communication method for a heterogeneous AI acceleration chip server. The activation value re-segmentation communication method comprises the following steps: scanning through chips, network interface cards and PCIe levels in the AI acceleration chip server, extracting network topology information of the server, calculating delay and bandwidth from each chip to each network interface card, and generating an affinity matrix; based on the affinity matrix, each chip is bound to a network interface card in an exclusive or shared mode through maximum matching; based on the server network topology information, the chip-network interface card affinity and the network interface card and PCIe single line bandwidth, activation value communication mode matching is carried out, and communication modes comprise a transmitting / receiving mode, a transmitting / receiving + collecting mode and a transmitting / receiving + broadcasting mode; and double-level multi-channel communication between the chip and the network interface card is realized. The method has the advantages of remarkably improving the bandwidth utilization rate, being highly adaptive to topology difference, being high in heterogeneous compatibility and the like.
Owner:SHANGHAI ARTIFICIAL INTELLIGENCE INNOVATION CENT

Power distribution network fault diagnosis method and system based on dynamic graph attention network and cross-modal fusion

The invention discloses a power distribution network fault diagnosis method and system based on a dynamic graph attention network and cross-modal fusion, and belongs to the technical field of power system operation analysis and calculation. The method comprises the following steps: S1, data acquisition and preprocessing: acquiring multi-modal data of a power distribution network; s2, performing dynamic topology modeling, analyzing the switch state signal, and generating a dynamic adjacency matrix in real time so as to construct a dynamically changing power distribution network topological graph; s3, cross-modal feature alignment: performing feature extraction and distribution alignment on the electrical quantity, the environmental quantity and the equipment state quantity to generate fusion features; s4, blind area data completion is carried out, and virtual monitoring data are generated for monitoring blind area nodes by using a physical constraint generative adversarial network; and S5, fault diagnosis and output: inputting the fusion features and the virtual monitoring data into the dynamic graph attention network together, and outputting a fault diagnosis result. According to the method and the system provided by the invention, self-adaption to topological change can be realized, multi-source information is effectively fused, and the physical authenticity of data is guaranteed.
Owner:FOSHAN YIPAWA IOT TECHNOLOGY CO LTD

Government affair work order generation alarm method and system based on domain matching topology perception

The invention provides a government affair work order generation alarm method and system based on domain fit topology awareness, and relates to the technical field of government affair work order early warning, and the method comprises the steps: obtaining real-time alarm data, carrying out key structured field extraction, introducing a cue word optimization algorithm, optimizing the key structured field, and generating an optimized cue word; constructing an operation and maintenance knowledge graph, extracting an event sequence, calculating and obtaining a hidden dependency or potential fault propagation path which is not described by a document among the components based on the event sequence, and generating an optimized operation and maintenance knowledge graph; generating a structured alarm feature sequence with weight based on the optimized operation and maintenance knowledge graph; and inputting the weighted structured alarm feature sequence into a work order generation model, converting the feature sequence into an attention bias matrix, gradually generating a fault abstract, performing optimization based on a topology perception optimization algorithm to obtain a final fault abstract, generating a processing suggestion based on the final abstract, and creating a work order. According to the invention, the work order automatic generation efficiency can be improved.
Owner:山东省大数据中心

Privacy perception graph prompt learning method based on adaptive topology recovery

The invention discloses a privacy perception graph prompt learning method based on adaptive topology recovery, which belongs to the technical field of computer network security and artificial intelligence crossing, and adopts an adaptive structure Bayesian estimation method to reconstruct privacy graph data into graph data closer to an original graph sample, and extracts an internal privacy mode from node embedding, so as to improve the privacy perception graph prompt learning efficiency. A learnable prompt of a noise mode introduced based on dynamic perception and responding to privacy disturbance is constructed, progressive privacy consistency is introduced in the optimization process, semantic alignment between multiple noise views is promoted, two loss functions are jointly optimized, multiple rounds of iterative training are performed, and the optimization efficiency is improved. According to the method, the final generalization ability of the graph prompt learning model and the balance of task adaptation can be realized, and a load balance topology is generated based on an adaptive disturbance estimation topology recovery technology so as to establish disturbance distribution; a noise suppressed reliable cue and multi-view cue optimization is designed to mitigate the effects of residual perturbations, generating robust and semantically aligned cues.
Owner:SOUTHEAST UNIV

Part deformation analysis system based on three-dimensional measurement data driving

The invention relates to the technical field of three-dimensional measurement and digital twinborn assembly analysis, in particular to a part deformation analysis system based on three-dimensional measurement data driving, which comprises an anisotropic feature decoupling unit for acquiring sparse point cloud data of a flexible target object and generating a purified discrete feature set; the geometric illusion monitoring unit is used for generating an illusion entropy distribution diagram by using an implicit neural representation technology; the adaptive topology fidelity arbitration unit is used for generating a final deformation analysis report based on the illusion entropy distribution diagram; the deformation logic iteration unit is used for dynamically adjusting weight parameters of a resistance deformation decoupling model and a calculation strategy of the geometric illusion entropy according to a final deformation analysis report and downstream assembly feedback; according to the invention, the purity of input data and zero missing detection of deformation are ensured.
Owner:NANJING YUNTONG TECH CO LTD

SVG vector diagram-based primitive matching and intelligent identification system and method

The invention discloses an SVG vector diagram-based primitive matching and intelligent recognition system and method, and relates to the technical field of computer graphic processing and mode recognition. The system stores a PDF file through SHA-256 Hash duplicate removal, format conversion is achieved through a tool, an 800DPI PNG image is generated, and the resolution is verified; the affine transformation matrix is analyzed, coordinate normalization and graphic element classification conversion are executed, and complex paths are split, deduplicated and merged; detecting a character area, and deleting corresponding character elements in the SVG; geometric features are extracted to construct a multi-dimensional index, and a template topological structure is analyzed; and selecting anchor points according to priorities, adapting to multiple rotation directions, matching non-anchor point elements through dynamic tolerance, verifying connection points in combination with adaptive topology tolerance, and finally outputting a matching result containing confidence. The system realizes efficient identification and accurate matching of technical drawings through standardization processing and an intelligent matching algorithm, and is suitable for scenes such as industrial drawing analysis and document digitization.
Owner:GUANGZHOU ZHIDEI INTELLIGENT TECH CO LTD

Self-adaptive topology plant station wiring diagram generation method

The invention relates to the technical field of graph generation, in particular to a self-adaptive topological plant station wiring diagram generation method, which comprises the following steps of: acquiring a wiring diagram image, extracting edge features, identifying an image type, positioning a line structure boundary, identifying text elements, classifying corresponding graph areas, and constructing a connection path to generate a topological wiring diagram. According to the method, clear recognition of the structure contour is realized through extraction of the edge features of the line structure of the image, the spatial position information of the graphic area is acquired in combination with a multi-scale primitive positioning technology, and then identity extraction and classification judgment are performed on the text elements contained in the image in a character recognition mode. And establishing a corresponding relationship between the equipment identifier and the graph region, constructing a complete path by combining the graph arrangement direction and the starting and ending coordinates of the connecting line, and determining a connection sequence and a relative position relationship between the equipment. Coordination and unification of spatial arrangement are realized through application of an attraction and repulsive force model between nodes, and clearness and coherence of a wiring diagram in the aspect of topological structure expression are improved.
Owner:STATE GRID XINJIANG ELECTRIC POWER CO URUMQI ELECTRIC POWER SUPPLY CO

Power grid multi-topology section power transmission capacity rapid evaluation method and medium

The invention relates to the field of power grid power transmission, in particular to a power grid multi-topology section power transmission capacity rapid evaluation method and a medium, and the method comprises the steps: obtaining power grid operation data containing an operation data matrix and an adjacent matrix; judging whether the power grid topology is changed or not, and if so, updating a power transmission distribution coefficient matrix reflecting the influence of node injection power on section power flow; and inputting the correlation matrix into an off-line trained evaluation model constructed based on an improved graph attention network, and outputting a maximum power transmission capability predicted value. According to the method, through a closed-loop process, evaluation needing repeated iteration or retraining is converted into off-line training and then is taken and used, the bottleneck that topological change needs to be modeled again is eliminated, real-time evaluation and rapid decision making are achieved, and the problems that an evaluation model adapts to topological change and outputs a high-precision result at a millisecond level are solved.
Owner:STATE GRID HEBEI ELECTRIC POWER RES INST +1

Action sports scoring method and device based on big data analysis

The invention discloses an action sports scoring method and device based on big data analysis, and relates to the technical field of computer vision, and the method comprises the following steps: S1, constructing a human body posture tensor manifold; s2, generating aligned action track characteristics; s3, generating symmetrical positive definite manifold features; s4, generating deep manifold distribution parameters; s5, quantifying global distribution deviation characteristics; s6, calculating a residual vector based on the deep manifold distribution parameters and the standard action distribution parameters, inputting the residual vector into the improved AGCN model for processing, constructing an adaptive topology based on the residual vector, and performing aggregation analysis to obtain a joint-level physical angle error after multi-scale space-time convolution and manifold enhancement; and S7, outputting a comprehensive score vector. According to the method, the limitation that a traditional method only depends on local geometric features and ignores global topological structure constraints and statistical distribution priori is overcome, and an efficient solution is provided for intelligent scoring of sports actions.
Owner:YANGTZE UNIVERSITY

Hoisting equipment path planning method suitable for limited space of hydropower station

The invention discloses a hoisting equipment path planning method suitable for a limited space of a hydropower station, and belongs to the technical field of path planning. Key geometric parameters of static obstacles in the hydropower station are acquired, and a three-dimensional model of the hydropower station is constructed; calculating the obstacle probability of the dynamic obstacle at any position based on the historical motion trail of the dynamic obstacle; fusing the three-dimensional model of the hydropower station with the obstacle probability, and constructing a self-adaptive spatial topological graph of the hydropower station; defining a physical boundary and a motion constraint of the hoisting equipment so as to carry out multi-modal positioning data acquisition on the equipment; generating a global path based on the self-adaptive topological graph, predicting a motion track of the equipment within target time according to the positioning information of the equipment, and generating an equipment candidate track; and performing collision risk assessment on the equipment candidate trajectory, selecting a local path through a dynamic weight comprehensive cost function, and generating an equipment planning path. The device can adapt to a light reflecting and shielding environment in a limited space, and is high in working efficiency and safety.
Owner:SANXIA JINSHAJIANG YUNCHUAN HYDROPOWER DEV CO LTD

Adaptive topology selection method for 5g nr

A method for common signal transmission in a system comprising plurality of base stations (200) where base stations (200) are capable of transmitting common signal and information signal, plurality of user equipment (300) which are capable of communicate communicating with the base stations (200) and a network controller (100) for controlling the operation of base stations (200) characterized in that comprising the steps of: receiving, by user equipment, information signals comprising instructions on how and when to trigger the base stations; selecting, by the network controller (100), operation mode of base stations (200) among an inactive mode where the base station (200) hold operation of transmitting common signals until a user equipment (300) or the network controller (100) triggers common signaling; an active mode where common signaling is realized and where base stations' (200) transmitting and receiving capabilities are adjusted for covering the coverage area of the base stations (200) that operate in inactive mode; monitoring, by the network controller (100), network conditions; performing selection of operation mode based on monitoring results.
Owner:ISTANBUL MEDIPOL UNIVERSITESI TEKNOLOJI TRANSFER OFISI ANONIM SIRKETI

An electronic pricing scale big data acquisition processing and intelligent analysis method based on NFC and AI

The present application relates to big data processing and intelligent analysis technical field, specifically to a kind of electronic pricing scale big data acquisition processing and intelligent analysis method based on NFC and AI;Its core is: through pre-training evaluation model to original transaction data stream is inferred, according to the preset value and risk threshold value division processing level;Based on the level, in combination with topological strategy library and system load, according to utility and cost weight selection optimal processing topology and execute;Loss function is constructed by collecting processing delay, resource consumption and analysis efficiency, and threshold value and weight parameter are reversely dynamically updated;The present application realizes the change from rigid processing to dynamic stratification and adaptive topology optimization based on data instantaneous value and risk.
Owner:BLUE ARROW WEIGHING TECH CO LTD

Network control method, device, equipment, medium and product

The invention provides a network control method, device, equipment, medium and product, which are applied to the technical field of wireless ad hoc networks, and the method comprises the following steps: determining a current mobile node and a leadership index of a neighbor node of the current mobile node by obtaining a neighbor table and based on the neighbor table; carrying out leader node election according to the leader indexes of the current mobile node and the neighbor nodes of the current mobile node so as to determine the identity of the current mobile node; and under the condition that the current mobile node is the leader node, sending a guiding instruction to a following node in the current subnet corresponding to the leader node so as to guide the following node in the current subnet. According to the method, the leadership index is calculated according to the neighbor table, the leader node election is performed, and the guide instruction is sent to the following node in the subnet through the leader node, so that the distributed adaptive topology management of the wireless ad hoc network in the high dynamic environment is realized, and the risk of single node failure is avoided.
Owner:GREE ELECTRIC APPLIANCE INC OF ZHUHAI +1

Pipe network prediction and intelligent decision system based on physical spectrum sensing and dynamic scanning

The application discloses a pipe network prediction and intelligent decision system based on physical spectrum sensing and dynamic scanning, which deeply mines the correlation characteristics among multi-source data through dynamic physical spectrum decomposition and frequency domain adaptive topology evolution technology, effectively overcomes the problems of sensor noise interference and data deviation, simultaneously introduces a HydroScan-SSM model, effectively captures the long-term dependence relationship in the time sequence, accurately captures the coupling evolution law of the water quality parameters and the pipe network structure, finally, in view of the pipe network intercepting valve control scene, combines the pipe network data characteristics and intelligent decision demand, uses an intelligent decision framework based on dynamic data driving, realizes the dynamic optimization of the intercepting valve control strategy through real-time data fusion and machine learning algorithm, and effectively avoids the problems of misdischarge, leakage and untimely discharge.
Owner:BEIJING UNIV OF CIVIL ENG & ARCHITECTURE

Functional configuration method and electronic device

The application discloses a function configuration method and electronic equipment, relates to the technical field of servers, and comprises the following steps: recording the topological association between the device and the root port thereof before restarting, and generating a bitmap persistence; and repositioning the device according to the stable and invariable bus number after restarting, and realizing the VMD function, so that the technical problem that the conventional hardware firmware scheme cannot correctly and accurately realize the one-key VMD function is solved, the one-key VMD function is realized without manual intervention and self-adaptation to topological changes, and the technical effects of resource waste and potential conflicts caused by global opening are avoided.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

A method for constructing multimodal intelligent knowledge cards and self-organizing links by topic.

PendingCN122364572AEngineeringAdaptive topology
This invention relates to artificial intelligence and big data processing technologies, aiming to provide a method for constructing multimodal intelligent knowledge cards and self-organizing links by topic. The method includes: collecting data from multiple sources, preprocessing it to extract multimodal information, and constructing several standard structured data objects as knowledge cards; encapsulating the data in a unified format to build a knowledge card database; constructing multidimensional hybrid embedding vectors based on the attributes of the data in the knowledge card database using different knowledge cards; establishing a multimodal semantic adaptive topology network under spatiotemporal constraints to achieve self-organizing links by topic; storing the knowledge cards as nodes in a backend knowledge graph and establishing connections with the frontend display / interactive interface. This invention can be used for intelligent processing of data extraction, structured encapsulation, and dynamic association. Through vector space alignment, it can discover implicit knowledge and potential connections, achieving dynamic evolution and adaptability.
Owner:SHENZHEN KUAIYU TECHNOLOGY CO LTD

Self-adaptive topology real-time updating method and system for dealing with fault sequence of switching-on and switching-off signals of spare power automatic switching device of power distribution station house

The invention relates to a self-adaptive topology real-time updating method and a self-adaptive topology real-time updating system for dealing with a fault sequence of opening and closing signals of a spare power automatic switching device of a power distribution station house. The method comprises the following steps: S1, switch marking: accurately marking switches related to spare power automatic switching in a power distribution master station system; s2, performing switching identification: maintaining the switching state of the spare power automatic switching device in the power distribution master station system; step S3, signal identification: when the power distribution main station receives the switch signal, automatically judging whether the switch is a spare power automatic switching switch, and identifying the current switching state of a spare power automatic switching device; and S4, topology updating: based on a judgment result of the step S3, a differentiation strategy is adopted to update the distribution line topology. According to the method, the problem of wrong sequence of the spare power automatic switching-on and switching-off signals can be intelligently solved, the real-time and accurate updating of the line topology at the power distribution main station side is realized, and the reliable and correct action of a centralized feeder automation system is ensured.
Owner:STATE GRID FUJIAN ELECTRIC POWER RES INST +4

Dynamic trapping network deployment method and system based on Markov decision process

The invention provides a dynamic trapping network deployment method and system based on a Markov decision process, and relates to the technical field of network security. The method provided by the invention comprises the following steps: extracting TTP features from multi-source attack behavior data, mapping the TTP features into TTP feature vectors corresponding to attack steps, and constructing a TTP feature vector sequence according to an attack sequence; based on a Markov decision process model combined with multi-source threat intelligence, performing threat degree quantitative evaluation and sorting on the TTP feature vector sequence to obtain a sorted TTP feature vector sequence, and mapping the TTP feature vector sequence to a corresponding CVE number; based on the CVE serial number, selecting a honey point mirror image containing the corresponding vulnerability from a honey point warehouse; and based on the selected honey spot mirror image and the network defense demand, dynamically adjusting a honey spot deployment strategy and network topology configuration, and constructing a dynamic trapping network. According to the method, adaptive topological optimization from threat assessment to honey spot deployment is realized through the Markov decision process model.
Owner:GUANGZHOU UNIVERSITY

Ceramic membrane internal defect detection method based on parallel stripe convolution and topological convolution

The invention discloses a ceramic membrane internal defect detection method based on parallel stripe convolution and topological convolution. The method comprises the following steps: 1) constructing a ceramic membrane plate internal defect data set; 2) in a feature extraction module, providing a parallel multi-branch strip convolution feature extraction module, and better extracting features while realizing light weight; in a detection head module, a self-adaptive topological convolution detection head is provided, and the module reduces calculation of redundant features; and 3) model training and optimization: carrying out multiple rounds of training on the self-built data set. According to the method, for the problem of YOLO model lightweight, parallel strip convolution is used in a feature extraction part, and features can be better extracted on the premise of reducing the network parameter quantity; in addition, adaptive topological convolution is used in a detection head part, so that redundant calculation of a large-area non-key background area can be effectively reduced.
Owner:JIANGDU HIGH-END EQUIP ENG TECH RES INST OF YANGZHOU UNIV

A hoisting equipment path planning method suitable for a limited space of a hydropower station

The application discloses a hoisting equipment path planning method suitable for a limited space of a hydropower station and belongs to the technical field of path planning. Key geometric parameters of static obstacles in the hydropower station are acquired, and a three-dimensional model of the hydropower station is constructed. Based on historical motion trajectories of dynamic obstacles, obstacle probabilities of the dynamic obstacles at any positions are calculated. The three-dimensional model of the hydropower station and the obstacle probabilities are fused to construct an adaptive space topology graph of the hydropower station. Physical boundaries and motion constraints of hoisting equipment are defined to collect multi-modal positioning data of the equipment. A global path is generated based on the adaptive topology graph, the motion trajectory of the equipment in a target time is predicted according to positioning information of the equipment, and a candidate trajectory of the equipment is generated. Collision risk assessment is performed on the candidate trajectory of the equipment, a local path is selected through a dynamic weight comprehensive cost function, and a planned path of the equipment is generated. The application can adapt to a reflection and shielding environment in a limited space, and has high operation efficiency and safety.
Owner:SANXIA JINSHAJIANG YUNCHUAN HYDROPOWER DEV CO LTD

A kind of high toughness adaptive topology reconfiguration method of rural distribution network fusing real-time monitoring and dynamic correction

The application discloses a kind of fusion real-time monitoring and dynamic correction's rural distribution network high toughness adaptive topology reconfiguration method, comprising: real-time monitoring obtains power grid load and distributed power output data;According to data characteristics, distribution network topology is dynamically divided into single radiation basic type, loop network enhancement type and microgrid autonomy type three kinds and model is established;Multi-objective fitness function containing network loss, voltage qualification rate and key load reliability is constructed, and initial optimal topology is obtained by using improved genetic algorithm solution;Super-short-term distributed power output is predicted using graph neural network, and the initial topology strategy is dynamically corrected accordingly;Finally, the optimal topology is quickly executed by automation terminal.The application solves the problems of insufficient dynamicity of rural distribution network topology reconfiguration, difficulty of multi-objective coordination and poor adaptability of new energy, significantly improves the operation toughness and power supply safety of rural distribution network under high proportion of new energy access.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST

Distributed machine learning training system based on adaptive topology and auxiliary routing

The application discloses a distributed machine learning training system based on adaptive topology and auxiliary routing, and comprises a user plane, a scheduling plane and a data plane.The user plane is used for providing a custom policy for constructing a topology; the scheduling plane comprises a network perception module, a policy making module and a policy consistency module; and the data plane comprises a policy execution module and a network measurement module.The application alleviates the communication bottleneck problem of multi-intelligent algorithm centers across wide-area interconnection, and solves the problem that the efficiency of an existing distributed machine learning system is limited in a wide-area network with heterogeneous resources and dynamic changes.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

A smart interconnected energy meter based on the Internet of Things and its application topology tracking method

This invention discloses an IoT-based smart interconnected energy meter and its application topology tracking method, belonging to the field of energy meter topology technology. By creating IoT nodes corresponding to electricity-consuming entities such as meters, devices, and lines, a data encapsulation block set containing node characteristics is generated. Node connection relationships are constructed based on keyword matching, forming a dynamic electricity topology structure with time stamps. The importance of each node relative to the key node connection set is quantified through a node iterative analysis model. Then, an adaptive topology optimization model is used to calculate the optimization value and tracking priority value. When the priority value exceeds a threshold, the node is highlighted. The smart interconnected energy meter includes node encapsulation, topology construction, importance analysis, and optimized display modules, realizing real-time tracking, dynamic optimization, and intelligent early warning of key nodes in the electricity topology. It is applicable to smart grids, industrial and community electricity monitoring scenarios, improving the accuracy and response efficiency of electricity management.
Owner:LIYANG HUAPENG ELECTRIC POWER METER

FPGA-based intelligent conference system flow control optimization algorithm

This invention relates to the field of network communication technology, specifically to a flow control optimization algorithm for an FPGA-based intelligent conferencing system. It constructs a central control unit (CCU) with the FPGA as its core, and uses a cascaded CAM to segment the 48-bit MAC address into six 8-bit sub-keys for parallel searching, outputting the matching result in one clock cycle. A system cycle of 1-5ms is set, and data is transmitted in time slots according to the order of SOC frames, real-time data frames, SOA frames, non-real-time data frames, and TAIL frames, isolating real-time and non-real-time data. A dynamically maintained MAC address table based on an aging mechanism is established to achieve adaptive topology changes for slave devices. Dynamic priority polling arbitration is used to fairly allocate shared storage resources across multiple PHY interfaces. This invention achieves zero-conflict, high-bandwidth utilization network data transmission at a rate of 1000Mbit / s, significantly reducing FPGA resource consumption, improving the real-time performance and reliability of the conferencing system, and is suitable for multi-slave distributed intelligent conferencing scenarios.
Owner:BEIJING PHILISENSE TECH

PD fast charge adaptive topology reconstruction method and system for wide voltage scene

The invention relates to a PD fast charging adaptive topology reconstruction method and system for a wide voltage scene, and belongs to the technical field of large-scale power grid safety, and the method comprises the steps: obtaining a power supply end voltage waveform characteristic, a charging protocol parameter and a power grid dynamic load coefficient in real time, and generating a topology reconstruction instruction through dynamic weight calculation, the switch matrix is controlled to switch the interconnection proportion of the parallel resonance module and the series resonance module to form a mixed resonant cavity to adapt to wide voltage fluctuation; meanwhile, a negative impedance compensation mechanism is embedded to suppress power grid harmonic waves, an encryption check field and a power grid defense system are interacted in real time, system hardware comprises a programmable switching resonance module, a switch matrix and an integrated encryption feedback unit, and the problems that in the prior art, due to fixed circuit topology, the voltage fluctuation adaptability is poor, and power grid harmonic interference is serious are solved.
Owner:SHENZHEN AIKESTAR TECH CO LTD

A lightweight intrusion detection method, system and storage medium based on frequency domain gating and dynamic head attention distillation

This invention provides a lightweight intrusion detection method, system, and storage medium based on frequency domain gating and dynamic head attention distillation. The method includes: Step 1: Constructing a teacher model, which includes a frequency domain wavelet analysis module and a dynamic head interaction attention module. The frequency domain wavelet analysis module performs multi-scale decomposition and information enhancement of network traffic features in the frequency domain through a two-level Haar wavelet transform and adaptive gating mechanism. The dynamic head interaction attention module treats the feature dimension as a token sequence and models the global dependencies between features by introducing position-aware embedding and multi-head self-attention mechanisms; Step 2: Designing a dynamic entropy adaptive topology distillation strategy, enabling the lightweight student model to inherit the discriminative features and sample relationship structure of the teacher model while compressing the feature space; Step 3: Transferring the knowledge of the teacher model to the lightweight student network. The beneficial effect of this invention is that it achieves more efficient and more complete knowledge transfer.
Owner:HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) (INSTITUTE OF SCIENCE AND TECHNOLOGY INNOVATION HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN)

Deformable monitoring architecture based on flexible sensor

The invention relates to the technical field of flexible electronics, and discloses a deformable monitoring architecture based on a flexible sensor, which comprises a flexible sensor array and a multi-layer heterostructure consisting of a piezoresistive layer, a capacitance layer and a temperature compensation layer, the distributed signal processing module is electrically connected with the flexible sensor array; the self-adaptive topology network is configured to dynamically reconstruct communication topology among the sensor nodes according to the real-time deformation quantity of the monitored target; and the cloud analysis platform is used for receiving and processing the data flow from the distributed signal processing module through an encrypted communication protocol. Coupling sensing of deformation, strain and temperature is achieved through the multi-layer heterogeneous sensor array, the piezoresistive layer material keeps linear response under 200% tensile strain, the distance between electrodes of the capacitor layer is adjusted in a self-adaptive mode, the temperature compensation precision is + / -0.1 DEG C, the deformation monitoring resolution reaches the 0.5 mm level, and the temperature change interference resistance is remarkably improved.
Owner:ZHENGZHOU UNIV