141 results about "Power analysis" patented technology

The invention relates to a resource allocation method and system based on a virtual power plant, and belongs to the technical field of electric power, and the method comprises the steps: respectively obtaining electric power basic data corresponding to an area covered by the virtual power plant in different historical time periods; analyzing the power basic data to obtain power analysis data corresponding to the power basic data in different historical time periods; constructing an initial power prediction model according to the power analysis data; acquiring a fluctuation coefficient corresponding to the electric power prediction model to correct the initial electric power prediction model to obtain a target electric power prediction model; and performing supply-demand balance prediction based on the target power prediction model and the power data corresponding to the current time period, and performing power resource allocation according to a prediction result. According to the invention, the electric power resources can be effectively scheduled and allocated.

The invention discloses a monitoring and early warning method and system based on active load prediction of a power distribution network, which breaks through the limitation of purely depending on historical data and simple statistical analysis, fully considers the complexity and uncertainty of load change influenced by various factors, and achieves the early warning of the load change through the combination of multiple models. The method can accurately classify and analyze the operation active load of the power distribution network through an active power analysis model, a decision tree model and the like, thereby improving the prediction precision. In the aspect of data processing, mass operation data generated by intelligent equipment in the power distribution network can be effectively integrated and mined by utilizing a vector machine model and a cloud large model server, an early warning mechanism is flexible, the method can adapt to different operation scenes and load characteristics, false alarm and missing alarm are avoided, and the method is suitable for popularization and application. According to the method, the power distribution network fault identification efficiency of the power distribution network power factors in different time periods is remarkably improved, and effective operation of the power distribution network is ensured.

The invention discloses a computing power analysis method used in a cloud computing environment, a matching method and a computer device. The computing power analysis method used in the cloud computing environment comprises the steps that historical task operation data of different types of computing power nodes in a cloud computing platform are acquired, associated computing power portraits corresponding to the computing power nodes are generated through preprocessing, and then a target model is trained in combination with the historical task operation data to obtain a task-computing power mapping model; performing multi-dimensional dynamic and static analysis on a to-be-executed user calculation task to obtain task feature information; and analyzing the task feature information based on the task-computing power mapping model to obtain analysis information of each type of computing power nodes. According to the method, the required computing power resources and the analysis information of each type of computing power nodes can be accurately predicted according to the dynamic and static analysis feature information of the task before the task is executed, so that accurate computing power identification and intelligent matching are realized, the reasonability and efficiency of task allocation are improved, the resource waste rate is effectively reduced, and the adaptation accuracy in a multi-tenant environment is improved.

The invention provides a computing power thermal evaluation method based on multi-dimensional data analysis and a decision making system thereof, and relates to the technical field of computing power analysis, and the method comprises the steps: obtaining an original data set, and carrying out the preprocessing of the original data set to generate a standardized data set; performing vectorization processing and heterogeneous fusion on the standardized data set to generate a unified fusion data set; a hierarchical evaluation system is constructed, correlation analysis is performed based on evaluation index features, and a computing power evaluation feature set is formed; different initial index weights are configured for different types of regions; calculating an initial calculation force thermal value of each region; performing iterative optimization on the initial index weight by using an optimization algorithm; and recalculating the regional computing power thermal value based on the optimized index weight, generating a thermal time-space distribution map, and generating a computing power resource allocation scheme according to the thermal gradient difference. According to the method, the systematicness and objectivity of computing power resource assessment are improved, and a reliable decision basis is provided for regional computing power resource allocation.

The invention provides a chip security key protection method and system capable of resisting side channel attack, and relates to the technical field of chips, which comprises the following steps of: obtaining a key operation request, performing address space mapping based on a dynamic mapping rule to obtain encrypted key data, decrypting the encrypted key data, fragmenting key intermediate data, and allocating an independent processing channel to perform decoupling operation; and injecting a time-varying noise signal to cover the association between the key and the physical characteristics, and finally performing recombination and reverse conversion to generate a final key output. According to the method, side channel attacks such as power consumption analysis and electromagnetic analysis are effectively resisted, and the security of key storage and operation processes is improved.

The invention relates to the technical field of power analysis, and particularly discloses a power system source-grid-load-storage coordinated multi-target planning system, which comprises the following steps: acquiring monitoring data of a distribution network line in a target time period; calculating to obtain a fault coefficient; evaluating the operation state of the distribution network line in the target time period, judging whether the distribution network line is in an abnormal state or not, and generating a state evaluation signal; analyzing the operation state of the target equipment in the target time period, judging whether the operation state abnormity of the distribution network line is caused by the target equipment or not, and generating an abnormity reason judgment signal; generating a target device alert; according to the invention, real-time and comprehensive evaluation of the operation state of the distribution network line is realized; and meanwhile, the source of an abnormal phenomenon can be accurately diagnosed, so that more comprehensive and accurate data support is provided for power operation and maintenance personnel, the scientificity and accuracy of decision making are improved, the management efficiency is improved, faults and emergency situations can be quickly responded, and the source-grid-load-storage cooperative capability of the power system is improved.

The invention relates to the field of intelligent monitoring, and discloses an early warning method, which is suitable for a monitoring system, and the monitoring system comprises a sensor, a camera and a computing power analysis module. The method comprises the following steps: determining an initial weight and a position coordinate of each sensor; when the sensor detects an abnormal event, an alarm signal is sent; after receiving the alarm signal, the camera captures an image according to a preset strategy based on an image capture time sequence; inputting the picture group into a computing power analysis module, and selecting an image with the highest confidence coefficient; according to the picture confidence coefficient and the detection rate, whether the event reaches an early warning level is judged, and early warning information is uploaded to a system; and dynamically adjusting the weight of the trigger sensor according to the analysis result of the alarm event. According to the method, the sensor weight and the image capturing strategy are dynamically optimized, double evaluation of the confidence coefficient and the detection rate is combined, accurate judgment and response of the abnormal event are achieved, and the method has the advantages of being efficient, flexible and high in robustness and is suitable for monitoring requirements of various complex scenes.

The invention discloses a big data intelligent analysis method and system based on artificial intelligence, and belongs to the field of electric power analysis. Equipment risk assessment is performed through the acquired environment change data in combination with equipment anomaly analysis, equipment risk influence assessment is performed based on an equipment risk assessment result and an equipment position, and early warning of an equipment risk level is performed based on an equipment risk influence assessment result. According to the method, the operation of the substation equipment is comprehensively evaluated through the operation data and the aging data of the equipment, then the operation stability of the equipment in the future substation is evaluated according to the environment change condition, and appropriate suggestions are made for replacement or maintenance of the equipment under the influence of the environment. And the stability and the safety of the transformer substation under the influence of the environment are further improved.

The invention relates to the technical field of temperature control, in particular to a control system for high and low temperature circulation, which comprises a parameter acquisition module, an automatic calibration analysis module, an output power analysis module, a control execution module and a storage server. The use degree value is obtained by analyzing the use time data and the temperature measurement data, the calibration degree value is obtained by analyzing the historical calibration data, and the calibration adjustment information is obtained by comprehensively analyzing the use degree value and the calibration degree value, so that the calibration frequency can be automatically adjusted, and the convenience is improved; the temperature performance influence index is obtained by analyzing the temperature change data, and the output power regulation information is obtained by comprehensively analyzing the heating and refrigerating performance data and the temperature performance influence index, so that the output regulation can be performed on the heating and refrigerating output power, and the resource consumption is saved.

The invention discloses an intelligent data analysis system and method based on source-network-load-storage integration, and relates to the technical field of electric power analysis, the method comprises the steps: carrying out the statistics of the historical average power consumption of a certain time period, and determining a characteristic time period; a training period is set, the electricity consumption of the load end at the sampling time point is collected, and the electricity consumption fluctuation rate of the load end in the characteristic time period is calculated; drawing an electricity consumption fluctuation graph of the load end in the characteristic time period in the training period, and determining a target load end; generating an energy storage end group, collecting operation parameters of the energy storage end group, calculating an operation score of the energy storage end group, and drawing a feature operation score graph of an analysis period corresponding to the energy storage end group; and acquiring a real-time operation score of the energy storage end group, calculating a real-time analysis period of the energy storage end group, judging an abnormal analysis state of the energy storage end group, and ensuring efficient and stable operation of the source-grid-load-storage integrated power system.

The invention relates to the technical field of elevator operation safety monitoring, and discloses an elevator no-load monitoring method based on AI computing power analysis, RUL prediction and big data optimization, and the method comprises the following steps: S1, a system initialization step; s2, a data acquisition step; s3, a computing power analysis step; s4, a step of AI reasoning and RUL prediction; s5, a monitoring period prediction step; s6, executing a no-load test; s7, a score calculation and optimization step; s8, a data uploading and big data optimization step; and S9, a manual intervention step. According to the elevator no-load monitoring method based on AI computing power analysis, RUL prediction and big data optimization, by arranging a dynamic computing power distribution mechanism and an edge computing RTOS operating system, self-adaptive resource scheduling is achieved, and particularly, according to the idle computing power of edge equipment (if a high-precision AI model is selected when the idle computing power is larger than 50%, otherwise a lightweight model is selected), the optimal scheduling of the edge equipment is achieved. And in combination with task priority scheduling of an RTOS kernel layer, the real-time requirement is ensured.

The invention discloses a distributed storage method and system based on AI computing power analysis. The method comprises the steps that heterogeneous storage resources are constructed in advance, and routing nodes are in communication connection with at least one storage node; obtaining computing power state data of routing nodes and storage nodes in the heterogeneous storage resources according to historical data of the heterogeneous storage resources, and converting computing power state information into computing power feature data of each routing node and each storage node; outputting computing power state data of each routing node and each storage node according to an AI computing power prediction model; and constructing a distributed storage task priority rule, storing the corresponding data packet to the corresponding storage node through the routing node according to the computing power state data of the routing node and the storage node and the distributed storage task priority rule, and updating the storage state data of the storage node and the routing node in real time. The adaptability of the distributed storage method to different storage task rules can be improved, and the stability of distributed storage is greatly improved.

The present invention discloses a data intelligent analysis system and method based on the integration of source, grid, load and storage, which relates to the technical field of power analysis. The present invention counts the historical average power consumption in a certain time period and determines the characteristic time period; sets a training cycle, collects the power consumption of the load end at the sampling time point, and calculates the power consumption fluctuation rate of the load end in the characteristic time period; draws the power consumption fluctuation diagram of the load end in the characteristic time period within the training cycle, and determines the target load end; generates an energy storage end group, collects the operating parameters of the energy storage end group, calculates the operating score of the energy storage end group, and draws the characteristic operating score diagram of the analysis period corresponding to the energy storage end group; obtains the real-time operating score of the energy storage end group, calculates the real-time analysis period of the energy storage end group, and judges the status of the abnormal analysis of the energy storage end group to ensure the efficient and stable operation of the source, grid, load and storage integrated power system.

The invention relates to the technical field of power analysis, and particularly discloses a power distribution network fault judgment method based on voltage amplitude variation, and the method comprises the steps: obtaining network data, historical voltage data and historical fault data of a power distribution network, and determining a plurality of adjustment division regions and adjustment region fault data of each adjustment division region; determining real-time voltage data of the power distribution network; calculating an associated key point set of each key point of each adjustment division region; and constructing a fault prediction model of each adjustment division area, and determining real-time fault data of the power distribution network based on the real-time voltage data and the fault prediction models of all the adjustment division areas. The method can quantify the incidence relation between the key points, achieves the linkage analysis of the fault key points, enables the fault prediction to be upgraded from single-point analysis to regional cooperative judgment, improves the accuracy, real-time performance and intelligent level of the fault diagnosis of the power distribution network, optimizes the operation stability of the power grid, and reduces the fault response time and operation and maintenance cost.

The invention relates to the technical field of intelligent monitoring, in particular to an intelligent monitoring system and device for a box transformer substation, and the system comprises a data collection module which collects the initial sensing data in the box transformer substation in real time, and the initial sensing data comprises electrical parameters and environmental parameters; the communication network and data processing module cleans the initial sensing data and transmits the initial sensing data to a data terminal in real time to obtain terminal cleaning data; the performance temperature power analysis module analyzes the insulation performance and the mapping relation between the temperature and the output power to obtain an insulation temperature formula; the control module judges whether the output power exceeds a threshold value or not, if yes, the equivalent resistance of the optimal insulation performance and the optimal temperature is calculated, and the optimal insulation performance and the optimal temperature are calculated according to the equivalent resistance of the optimal insulation performance and the optimal temperature. By analyzing and optimizing the insulation performance and the temperature, unnecessary energy waste is reduced, the energy utilization efficiency is improved, and potential fault hidden dangers are found and processed in time.

The invention relates to the technical field of geophysical exploration and geotechnical engineering monitoring, in particular to a soil seepage channel resistivity or electrical impedance bimodal tomography measuring device. Comprising an excitation signal adjusting module, a data acquisition module, a channel switching module, a sensing electrode module and a computer, the excitation signal adjusting module is composed of a signal generation module and an isolation switch QS. The data acquisition module consists of a power analysis module, a multi-channel synchronous acquisition module, a signal conditioning module and a phase-locked amplification module; the channel switching module consists of a relay switch module A and a relay switch module B; each relay is provided with a plurality of channels, and each channel comprises three general ports, namely a normally open end (NO), a common end (COM) and a normally closed end (NC). The invention provides a resistivity or electrical impedance bimodal tomography measurement device, which is used for realizing rapid high-resolution detection and description of a soil seepage channel with resistivity and electrical impedance combined.

The invention discloses a low-overhead anti-power analysis AES (advanced encryption standard) algorithm mask protection method. According to the method, two shares of a plaintext and a secret key are received in a clock period 0, ten rounds of round functions are executed from the clock period 0 to the clock period 30, each round needs three clock periods, and two shares of a ciphertext are output in a clock period 31; in the implementation of a round function and key expansion, the calculation of an S box (not including input linear mapping) needs three clock periods; in the third clock period after S box calculation is completed, a round of residual operation (wherein the residual operation of a round function comprises a multiplication module of the S box, S box output linear mapping, row shifting, column confusion and round key addition, and the residual operation of key expansion comprises key word XOR generation of a next round of round key) and the next round of S box input linear mapping calculation are completed at the same time. According to the mask, the side channel security capability of first-order power consumption analysis resistance can be provided for the AES algorithm, and the requirements on random numbers and chip area are remarkably reduced.

The invention relates to the technical field of electric meter box fault monitoring, in particular to an electric meter box fault monitoring system based on multi-source data fusion. The system comprises a data acquisition module used for acquiring internal and external temperature data of an electric meter box, total load power of the electric meter box and heat dissipation power of a heat dissipation system of the electric meter box; the temperature analysis module is used for setting a sliding window to synchronously slide on the internal temperature data, the external temperature data, the heat dissipation power and the total load power respectively to obtain a temperature drop coefficient and a heat dissipation effect correction value; the power analysis module is used for calculating a heat dissipation power characteristic value based on the heat dissipation power in the current sliding window, obtaining a working efficiency conversion coefficient of the heat dissipation system, and then obtaining a corrected working efficiency conversion coefficient; the early warning analysis module is used for acquiring an early warning index based on the correction working efficiency conversion coefficient corresponding to each sliding window; and carrying out early warning on the electric meter box fault according to the early warning index. The fault monitoring accuracy of the electric meter box can be improved.

An electronic device is provided for securing and desynchronizing register transfers as a mitigation strategy to side channel attacks that employ power analysis profiling, whereby leakage information produced as a result of register switching at the bit-level, by way of random delay cell insertions, is decorrelated from actual power consumption. The technical effect of the solution constructively produces overlapping of current power profiles / signatures, maximally spanning across bit value profiles of a register, which when analyzed from a Hamming Weight or Distance model introduces a wider time-spread of resulting current power profiles thereby impeding deep learning of the transistor switching / flipping state behavior, and consequently disrupting efficacy of profile / signature matching / mapping of transistor state changes characteristic of a traditional power analysis side channel attack. Other embodiments are disclosed

The invention relates to the technical field of data analysis, and discloses a power consumption management platform comprehensive computing power data analysis system and method based on cloud computing. According to the method, Internet of Things equipment is installed in an area needing computing power analysis, an aggregation local area network is established for communication, meanwhile, historical electricity consumption data of a user are collected through the installed networking equipment, and the collected historical electricity consumption data of the user are processed; uploading the processed historical power consumption data of the user through an established aggregation local area network, and analyzing and predicting the uploaded historical power consumption data of the user through a power consumption management platform; meanwhile, average computing power data of the power consumption management platform are calculated in a mode of recording processing time, and finally comprehensive computing power data of the power consumption management platform are analyzed based on the calculated average computing power data of the power consumption management platform, user power consumption data collected in real time and a user power consumption data prediction calculation request. And the accuracy of comprehensive computing power data analysis of the power utilization management platform is improved.

The invention discloses a digital electric power analysis method and device cooperating with multiple production elements. And respectively extracting production element data from the power data of the power plant side and the power grid side. Constructing a data vector by using the extracted feature production element data based on the power analysis demand information; and determining key control production element data associated with the power analysis demand information from the extracted control production element data. An artificial intelligence technology is used for constructing a functional operator with a mapping function as a kernel to construct a power analysis agent. The power analysis agent is invoked to generate an analysis response result to the power analysis request. According to the method and the device, power analysis of multiple production elements is realized, the relation between data is captured more accurately, and a more accurate and migratable analysis response result is obtained. According to the scheme, high-value data assets in a power system can be formed. And the analysis value of the power data is improved.

The invention discloses an electric power market power calculation method based on artificial intelligence, and mainly aims to solve the problems that traditional market power analysis data utilization and interaction are limited, the complex problem processing capability is low, and dynamic supervision requirements are difficult to adapt. The platform is connected with an MCP service and a large language model platform, and comprises the following steps: receiving a query statement, and carrying out keyword matching on the query statement and an RAG knowledge base to obtain a knowledge base retrieval result; an available tool list in the MCP service is obtained, and the available tool list, the query statement and the knowledge base retrieval result are integrated and then sent to the large language model platform; receiving a structured calling instruction returned by the large language model platform, and initiating a tool calling request to the MCP service, so that the MCP service calls and executes calculation operation related to market power analysis; and receiving a calling execution result, integrating the calling execution result with the query statement, and sending the integrated result to the large language model platform, so that the large language model platform generates reply content.

An intelligent task configuration method based on big data SQL code computing power analysis performs computing power evaluation on sql codes to be operated, and the core lies in that a query processing process is decomposed into three key dimensions: an operation type, a data scale and processing complexity. Each dimension is quantized through well-designed parameters, and finally a unified computing power demand calculation formula is integrated. The formula not only considers a single-thread execution scene, but also particularly adds extra overhead brought by parallel processing, so that an evaluation result is closer to an actual operation environment. The SQL code is further stored in a notebook and kept as a file, the hash value of the file is calculated to serve as an identification code, a plan of an sql code running task is configured according to the authority level and the real-time computing power condition of a user, and computing power resource allocation is intelligently optimized.

This invention discloses a security chip based on a configurable lookup table. The security chip includes: at least one configurable logic block, each containing at least one configurable lookup table unit; a dynamic mask generator connected to the configurable lookup table unit, dynamically generating a mask sequence according to the current processing clock cycle; a reconfiguration controller connected to the dynamic mask generator, changing the configuration values ​​of the configurable lookup table units in real time according to a security policy; and a security execution engine, whose input is connected to the output of the configurable lookup table unit, performing secure operations based on the masked lookup results; wherein the configurable lookup table unit presents different truth table mappings for the same logic input in at least two different clock cycles. This invention enables the lookup table unit to present different truth table mappings in different clock cycles, breaking the deterministic correlation between power consumption characteristics and data, and effectively resisting side-channel attacks such as differential power analysis.

The present invention discloses a method for preventing electricity theft based on LTU, electric energy meter and fusion terminal, and the method comprises the following steps: Step 1: firstly, the LTU line monitoring terminal and the smart electric energy meter configured in the archive are synchronized through the fusion terminal; Step 2: cyclically record the load data of each cycle; Step 3: the smart circuit breaker, the smart electric energy meter and the fusion terminal regularly perform the feature recognition of the load data, and record the recognition result and time; Step 4: regularly read the recognition result record through the fusion terminal electricity theft analysis APP; Step 5: confirm the suspected electricity theft behavior in combination with the data and generate an early warning; Step 6: manually eliminate the line fault. The method for preventing electricity theft based on LTU, electric energy meter and fusion terminal has the function of load feature recognition, and can perform electricity theft analysis and electricity theft location according to the fusion terminal electricity theft analysis micro application, the fusion terminal, LTU, the load feature recognition results of the electric energy meter and the branch box recognition results.

The embodiment of the invention provides an SM4 encryption and decryption circuit for realizing side channel protection. The circuit comprises a first round of key expansion module, a first encryption and decryption module, a second round of key expansion module, a second encryption and decryption module, a modular multiplication module, a first summator and a second summator, the circuit carries out masking processing on a secret key input into a first round of secret key expansion module, a secret key input into a second round of secret key expansion module, an adjustment value input into a first encryption and decryption module and to-be-encrypted or to-be-decrypted data input into a first summator through masks, and carries out operation on the to-be-encrypted or to-be-decrypted data after masking processing. And outputting the ciphertext or the plaintext. According to the circuit, a mask is introduced in an encryption / decryption process, and the mask is used for performing mask processing on points which are easily attacked in the encryption / decryption process so as to weaken and even eliminate the correlation between a key and power consumption, so that the encryption / decryption key cannot be obtained through a power consumption analysis attack technology, and the side channel protection capability and the data security are improved.

The invention discloses a computing power analysis method, computing power analysis equipment and a storage medium, and relates to the technical field of data processing, and the method comprises the steps: obtaining computing power resource pool information corresponding to a computing power task; based on a first optimization target, analyzing the computing power resource pool information by using a simulated annealing algorithm to obtain a plurality of candidate scheduling schemes; constructing a flow control parameter of a genetic algorithm according to the plurality of candidate scheduling schemes, and analyzing the plurality of candidate scheduling schemes by using the genetic algorithm based on a second optimization target and the flow control parameter to obtain a target scheduling scheme; and executing computing power scheduling according to the target scheduling scheme. The invention aims to improve the accuracy of computing power scheduling so as to accurately meet the computing power demand of a user.

The embodiment of the invention provides a resource allocation method, a model training method, system and device, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring historical flow data, a request priority analysis result for a user request, and a computing power analysis result for each computing power partition; and performing data analysis on the historical flow data, the request priority analysis result and the computing power analysis result through a resource allocation model, and outputting a resource allocation scheme for the user request. According to the embodiment of the invention, the advantages of the historical flow data, the request priority analysis result and the computing power analysis result can be integrated, and the resource allocation scheme is comprehensively generated by combining the features of multiple dimensions, so that the output resource allocation scheme can be globally optimized, the computing power requirement of an actual task is met, refined load balancing is realized, and the resource allocation efficiency is improved. The real-time performance and reliability of processing large-scale data are improved, resource idleness is reduced, and the resource utilization rate is increased.

The application provides a line loss analysis method and system based on carbon flow tracking, and belongs to the technical field of power data anomaly analysis. CE = CE in ‑ CE o , CE The total loss carbon amount of the node i ; CE in The total input carbon amount of the node i ; CE o The total output carbon amount of the node i ; an XGBoost model for carbon amount anomaly screening is constructed based on a gradient decision tree XGBoost, and a target function of the model; each node in a network topology is analyzed based on the XGBoost model, and a carbon amount anomaly node is predicted based on the power and carbon emission density of each node; each user corresponding to the carbon amount anomaly node is subjected to power analysis, the power analysis includes high-voltage user abnormal power analysis and low-voltage user abnormal power analysis, and the type of abnormal situation existing in the user is obtained.

The invention relates to a multi-party security sharing method and device under power data flow, computer equipment, a computer readable storage medium and a computer program product, and is applied to a first participant, and the method comprises the steps: constructing the calculation logic of power analysis functions, needing to participate in calculation, of the first participant and a second participant into a confusion circuit, issuing a confusion table corresponding to the confusion circuit and the first replacement tag to the second participant; each of the first participant and the second participant holds a part of secret components of the first participant and the second participant; wherein the second participant is used for performing decryption based on the confusion table according to the second replacement tag and the first replacement tag to obtain a decryption result replacement tag; and replacing the mapping relation of the label in the confusion table according to the received decryption result, determining the decryption result, and taking the decryption result as the power analysis result of the first participant and the second participant. By adopting the method, the security of the electric power analysis data of the participant can be improved.