Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

143results about How to "Improve trustworthiness" patented technology

Method for establishing predicated response system based on wind turbine generator load database

ActiveCN104537424AQuick responseSolve the problem of slow response speedForecastingElectricityConsequence analysis
The invention discloses a method for establishing a predicated response system based on a wind turbine generator load database. The method comprises the following steps: (1) establishing a load database; (2) exploring a processing scheme of the load database, wherein the processing scheme comprises a first choice scheme and a secondary choice scheme, and the first choice scheme is a regression analysis method; and (3) analyzing and comparing a processing result of the first choice scheme and the processing result of the secondary choice scheme to establish a proper load prediction response system. The advantages and the disadvantages of the prior art are combined to quickly establish the proper prediction response system, the established prediction response system can solve a problem that a load adaptability analysis or anticipation method is low in response speed on model selection requirements, the quick response of the model selection and the micro-location selection of the wind turbine generator is realized through a quick "wind resource-load-strength-adaptability judgment" response mode of the predicated response system, the load situation of each point location can be quickly predicted to be obtained so as to basically realize the "refinement" of the load adaptability analysis.
Owner:BEIJING TIANYUAN SCI & TECH CREATION WINDPOWER TECH

Modal distance constraint-based multimodal fusion image classification method

The invention discloses a modal distance constraint-based multimodal fusion image classification method. The method includes the following steps that: first step, the rs-fMRI (resting-state functionalmagnetic resonance imaging) data and DTI (diffusion tensor imaging) data of a plurality of subjects are obtained; second step, a brain function network feature vector and a brain structure network feature vector are constructed for each subject; third step, feature filtering operation is performed on the feature vectors of two modalities based on the Kendall tau correlation coefficient and an overlap mode; fourth step, the relative distance constraint of the feature vectors of two modalities of the same subject before and after mapping is added on the original basis of the K-support norm, andthe objective function of a multimodal feature selection model is constructed, and the optimal feature vectors of two modalities are screened out; and fifth step, a classifier is trained on the basisof a multi-kernel support vector machine model, and the optimal feature vectors of two modalities of the subjects are inputted into the trained classifier, and the category labels of the subjects arepredicted. The classification accuracy of the method of the invention is high.
Owner:THE SECOND XIANGYA HOSPITAL OF CENT SOUTH UNIV

Detecting system for tank bottom leakage optical fiber of atmospheric storage tank

The invention discloses a detection system for optic-fibre leakage at the bottom of a normal atmosphere storage tank, which comprises a plurality of sensing systems. lasers are adopted for the plurality of sensing systems as incoming ray sources which are connected to optical intensity style optical fibre sensing probes via optical fibres and are divided into a plurality of routes via optical-fibre couplers and reach a plurality of sensing probes, reflex detected by the sensing probes enters PIN tubes and are connected with a data collection card via a photoelectric conversion circuit and an amplifying circuit, the data collection card is connected with an industrial computer for data analysis, processing, displaying and recording. The detecting system alarms by software automatically. The system has high precision detection, rapid speed, timely alarm, accurate location, strong anti-interference capability, high safety and convenient system operation, can display where the storage tank leaks and how long the storage tank leaks in real-time by curve mode and digital mode and has aural and visual alarm. Due to the flexible system communication mode, the invention can realize off-site search and monitoring, thereby accelerating processing speed, decreasing economic loss and reducing environment pollutions.
Owner:CHINA PETROLEUM & CHEM CORP

Block-chain-technology-based encrypted payment storage system and method

The invention relates to a block-chain-technology-based encrypted payment storage system and method. Terminals for payment transaction and electronic book storage are connected to form a network topology structure; any of the terminals generates electronic book information after payment transaction completion each time and updates the stored electronic book; Encrypting the electronic book information by using a private key, encapsulating the electronic book information and the electronic signature into a block, and electronic signature processing is carried out on the electronic book information by using private keys, the electronic book information and electronic signatures are packaged into block bodies, abstract information of the last blocks are packaged into block heads, and new blocks formed by the block bodies and the block heads and the existing blocks are linked to form a block chain; the new blocks are sent to the other terminals; the other terminals receive the new blocks, verify the electronic signatures in the block bodies by using a public key, obtain the corresponding electronic book information, and update the stored electronic books. Therefore, decentration and distributed sharing of electronic books are realized; the information transparency is high; and trustworthiness of electronic payment is enhanced.
Owner:WUHAN HUITONGYUN INFORMATION TECH CO LTD

Heat exchanger and method for manufacturing same

According to the present invention, the manufacturing process is simplified, the weight and cost are reduced, and a safe and reliable structure is obtained, using a generic metal plate. This heat exchanger has outer surfaces (4a, 5a) positioned on the side toward the electronic component (3) that is the object of heat exchange, and resin-coated inner surfaces (4b, 5b). A thin metal plate having a predetermined thickness is press-worked to a predetermined shape and a first shaped body (4) and a second shaped body (5) are formed. The two shaped bodies are combined so that the inner surface (4b, 5b)-sides face each other, and the inner surface (4b) at the edge parts (4c) and the inner surface (5b) at the edge parts (5c) are thermally fused by heat press-working. The edge parts (4c, 5c) are subjected to ultra-fine processing and then inserted into a die, and a thermoplastic resin composition is injected into the cavity of the die and a joining member (6) is shaped. The space section (7) created by the combining has a feed port (10) and an outlet port (11), and represents a fluid channel for a heat medium (8). The heat exchanger (1) is imparted with the structure described above. The outer surfaces (4a, 5a) are brought into contact with the electronic component (3) and heat exchange is performed with the heat medium flowing through the fluid channel.
Owner:TAISEI PLAS CO LTD

Industrial user demand response oriented transaction settlement control method based on blockchain

The invention relates to an industrial user demand response oriented transaction settlement control method based on a blockchain. The method is mainly and technically characterized by comprising the steps of collecting industrial user power energy consumption data; constructing a demand response strategy by using a data analysis engine according to the planned power reduction quantity and the basic power consumption condition; according to the demand response strategy, establishing a power transaction model by using a blockchain technology; establishing a transaction verification model based on the power transaction model; generating virtual tokens as the circulation volume of the transaction; and completing the transfer of the virtual token and completing the transaction through an intelligent contract mechanism. The method is reasonable in design, and a reasonable and effective demand response strategy can be formulated; according to the method, the industrial user demand response isestablished, the blockchain technology is adopted, fairness and safety of industrial user power transaction are guaranteed, the blockchain technology is used in the industrial user demand response implementation process, data exception can be rapidly detected, the capacity of detecting and responding to network attacks is enhanced, the reliability of a data platform is enhanced, and the integrityof data is reserved.
Owner:STATE GRID TIANJIN ELECTRIC POWER +2

Control method of demand response management platform based on block chain technology

The invention relates to a control method of a demand response management platform based on a block chain technology. The control method comprises the following steps: enabling a smart power grid to issue a DR event signal; broadcasting a DR event signal through the intelligent terminal; broadcasting redundancy and demand quantity; constructing a block chain electric power distributed account book; and performing user matching and resource integration of the DR event, and constructing a point-to-point transaction smart contract. The design is reasonable, the method is used for distributed management, control and DR verification in an intelligent power grid. Traceable and tamper-proof flexible transaction and nearly real-time DR verification are realized through the characteristics of the block chain. High reliability and decentralized operation are ensured; the whole demand response management platform is composed of a plurality of peer nodes including a power producer, a power company, a user, a load integrator, a supervision mechanism and the like, all stakeholders can carry out interaction coordination through an architecture platform based on a block chain, comprehensive and scattered energy demand and power generation cooperation are supported, and stable operation of a power grid is ensured.
Owner:STATE GRID TIANJIN ELECTRIC POWER +3

Video and audio credible playing method based on asymmetric encryption

The invention discloses a video and audio credible playing method based on asymmetric encryption, and relates to the technical field of digital security, and the method comprises the steps that a publishing end embeds a digital signature encrypted by a private key into a video streaming media in a general transcoding service process of the video streaming media, and pushes the video streaming media embedded with the digital signature to an intermediate network; the client receives the video streaming media through the intermediate network; digital signatures therein is extracted, the digitalsignature is decrypted by using the public key to obtain data for detection; and a detection result is deduced according to the detection data to control the player to play the video streaming media content. According to the invention, the detection process is transferred from the Internet to the transceiving end; by combining the one-way hash algorithm and the asymmetric encryption technology, while it is ensured that the behaviors of tampering and replacing the streaming media in the transmission process can be detected by the user side, the calculation overhead is greatly reduced, the complex asymmetric encryption technology can be applied to video streaming media application, and the basic real-time requirement of the streaming media is met.
Owner:CHENGDU SOBEY DIGITAL TECH CO LTD

Blockchain-based student file system

The invention discloses a blockchain-based student file system. The system comprises a file writing unit, a blockchain processing unit, a government connection unit, a right management unit, and a file inquiry unit, wherein the file writing unit is used for building an electronic student file and/or scanning a paper file so as to obtain an electronic image of a student, the blockchain processing unit comprises a file processing module for generating a digital fingerprint and registering the digital fingerprint in a blockchain and a node synchronization module for synchronizing and identifyingmultiple nodes of the blockchain in a preset time, the government connection unit comprises a government connection unit, a household-government connection module, and a regular operation module for controlling a public security department connection module and the household-government connection module to acquire student information in a preset period and sending the information to the blockchainprocessing unit to update the file, the right management unit is used for adding, deleting, modifying and inquiring the right of a user, and the file inquiry unit is used for enabling a user with a right to search and read a student file. The blockchain-based student file system provides a public credit mechanism and can record accurate information.
Owner:雷虹

Delicious food recommendation list generation method and device, equipment and storage medium

The invention discloses a delicious food recommendation list generation method and device, equipment and a storage medium, and is applied to the field of application programs.The method comprises thesteps that behavior information of a user is acquired; screening out a target user whose behavior information meets a first preset condition from the users, and determining a target merchant accordingto the target behavior information of the target user; scoring the target merchants based on the target behavior information to obtain recommendation scores corresponding to the n target merchants; and determining a listed merchant from the n target merchants according to the recommendation score, and correspondingly generating a delicious food recommendation list. According to the method, listedmerchants are determined through big data analysis; according to the method, the listed merchants of the delicious food recommendation list are determined by utilizing the approval degree of the qualified user to the delicious food, so that the delicious food provided by the listed merchants better conforms to the taste and opinions of the public, the reliability of the screened listed merchantsis improved, and more reliable delicious food recommendation information is provided for the user.
Owner:HANHAI INFORMATION TECH SHANGHAI

Video and audio credible playing method for generating associated abstract based on intra-frame extraction

The invention discloses a video and audio credible playing method for generating an associated abstract based on intra-frame extraction, and relates to the technical field of digital security. The method comprises the following steps: in the transcoding service process of the video streaming media, a publishing end extracts data segments with a certain length in each video frame of a video clip atintervals according to a set intra-frame extraction rule to form a data set corresponding to the video frame, and generates a real-time associated abstract corresponding to the video frame by using aone-way hash algorithm; the real-time associated abstract is utilized to obtain a digital signature aggregate; the client receives the video clip embedded with the digital signature assembly, and extracts the digital signature assembly and the original video clip; the digital signature assembly is decrypted to generate a receiving association abstract corresponding to the video frame;and the received associated abstract is compared with the real-time associated abstract, and a player is controlled to play the video clip content according to a comparison result. According to the method, the security policy for ensuring credible playing is transferred to the streaming media receiving end and the streaming media transmitting end from the complex intermediate network, and the engineering overhead of the security policy is reduced.
Owner:CHENGDU SOBEY DIGITAL TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products