29results about How to "Improve transmission security" patented technology

The invention relates to power distribution network fault processing equipment applied to the technical field of power distribution, and aims to improve the fault prediction, diagnosis and processing capabilities of a power system. The equipment comprises a pre-training module, a neural network architecture module, a data acquisition layer, an edge calculation layer, a core processing layer, a context learning module, a reasoning processing module, an output and interaction layer and a continuous learning and improvement layer, and is characterized in that a large-scale pre-trained Transform model is utilized, and professional knowledge of a power system is combined; according to the method, deep understanding and analysis of a complex power grid state are realized, through multi-source data fusion, edge calculation and central cooperative processing, the equipment can monitor the power grid state in real time, accurately predict potential faults and provide intelligent diagnosis and repair suggestions, and model pre-training and optimization are performed by adopting self-supervised learning and federated learning technologies; using reinforcement learning to optimize a fault response strategy; the interpretability of the model is realized, and the decision transparency is improved.

The invention discloses a secure transmission method for a 5G communication technology, and the method comprises the steps: carrying out the sensitivity evaluation, feature extraction, classification labeling and data block adjustment of to-be-transmitted data, and generating a data block set; generating a key in combination with a key exchange protocol, and selecting a proper encryption algorithm to encrypt the data blocks according to key characteristics to form an encrypted data block set; through preliminary authentication, hash chain verification in a transmission process and integrity verification at the end of transmission, security verification of identity and data is realized, and an authenticated encrypted data block is output; performing homomorphic encryption processing or data mask protection on the data stream to obtain an encrypted protection data stream, and transmitting the encrypted protection data stream; and monitoring the transmitted protection data stream in real time, predicting the traffic and an anomaly score through a traffic anomaly identification model based on the LSTM, and judging whether an anomaly exists based on a set self-adaptive risk threshold so as to perform source tracing and attack blocking.

The invention discloses a priority-based semantic communication optimization method, device and system, and the method comprises the steps: obtaining key semantic information through analyzing to-be-transmitted data, carrying out the calculation according to the information, obtaining an information priority, and merging a coding data packet; a first network resource allocation strategy is obtained through calculation according to the network state index and the collaborative optimization algorithm based on a network resource allocation algorithm, the allocation strategy is optimized according to the network state index and the collaborative optimization algorithm, and a data packet is obtained and transmitted according to a first collaborative optimization result. And meanwhile, collecting and adjusting a first collaborative optimization result based on a distribution algorithm according to a transmission performance index, and transmitting data according to an adjusted strategy. The integrity and transmission reliability of important semantic information in to-be-transmitted data during data transmission are ensured through information priority confirmation, and the data volume of data transmission is reduced by combining coded data packets; the resource allocation algorithm and the collaborative optimization algorithm improve the practicability of the resource allocation strategy, so that the strategy can effectively cope with the change of the network environment.

The invention relates to the technical field of Internet of Vehicles, and provides a vehicle data transmission method and device, electronic equipment and a storage medium. The method comprises the steps of obtaining vehicle data and N serialization processing types of the vehicle data, performing variable-length serialization processing on the vehicle data according to the N serialization processing types to obtain N pieces of compressed vehicle data, determining target data in the N pieces of compressed first vehicle data based on a data transmission strategy, and transmitting the target data to a server according to the determined target data. According to the method, the target data is encrypted, and finally the encrypted target data is sent to the TSP server according to the service quality level, so that the vehicle data can be compressed through serialization processing, and the compressed vehicle data of the target type can be selected for transmission, and the flexibility of data transmission is improved; and meanwhile, the transmission security and reliability are improved by utilizing encryption processing and a quality grade sending strategy, and the data transmission efficiency is improved.

The invention provides a satellite communication method and device based on microwaves and lasers, electronic equipment and a medium, and relates to the technical field of satellite communication. The satellite communication method based on microwave and laser provided by the invention comprises the steps of obtaining to-be-forwarded data of a ground terminal, the to-be-forwarded data being data of the same batch sent to a target satellite by the ground terminal; calling a preset data integration rule corresponding to the to-be-forwarded data, and reconstructing and integrating the to-be-forwarded data to obtain target forwarded data; and generating a data forwarding instruction based on the target forwarding data, and using the data forwarding instruction to control the target satellite to receive the target forwarding data in a laser communication mode or a microwave communication mode. According to the method and the device, the waste of laser communication resources can be reduced while the transmission security and the transmission rate of the to-be-forwarded data are improved.

The invention provides an intelligent reflector auxiliary challenge response physical layer authentication method and device, and the method is applied to a base station, and comprises the steps: transmitting a pilot signal to a user side through a target channel, so as to achieve the channel pre-sharing between the base station and the user side; under the condition that the transmitting power budget of the base station changes, a challenge signal is sent to the user side according to channel configuration information randomly selected from different pieces of channel configuration information; receiving an encryption response signal sent by the user side; and decrypting the encrypted response signal according to the randomly selected channel configuration information to obtain decrypted information, and performing identity authentication on the user side according to the decrypted information and the randomly selected channel configuration to obtain an authentication result. According to the method disclosed by the invention, the channel configuration assisted by the intelligent reflecting surface is used as the pre-shared key, so that the authentication problem caused by noise interference and inaccurate channel estimation in the prior art is effectively solved, and the authentication efficiency and the transmission security of the wireless communication physical layer are improved.

The invention relates to the field of access control, in particular to an access control method and system based on the ultrahigh frequency RFID technology, and the method comprises the following steps: S1, setting a multi-antenna array through distributed layout according to the size, shape and personnel flow condition of an access control area; s2, according to a Hyperledger Fabric block chain platform, nodes are deployed at different positions through a distributed node architecture; s3, the artificial intelligence model is trained by collecting data in the access control system, the trained artificial intelligence model analyzes and detects the data in the access control system in real time, and abnormal behaviors and events are recognized; and S4, displaying each data in the access control system on a management platform in a visual mode, and providing data analysis and optimization management according to an authority management mechanism. The safety of the access control system can be improved, the reliability of the access control system is improved, the intelligent level of the access control system is enhanced, and the management efficiency of the access control system is improved.

The present application provides a satellite communication method, device, electronic device and medium based on microwaves and lasers, and relates to the field of satellite communication technology. The satellite communication method based on microwaves and lasers provided in the present application includes: obtaining the data to be forwarded from the ground terminal, wherein the data to be forwarded is the same batch of data sent by the ground terminal to the target satellite; calling the preset data integration rules corresponding to the data to be forwarded, reconstructing and integrating the data to be forwarded, and obtaining the target forwarding data; generating data forwarding instructions based on the target forwarding data, and using the data forwarding instructions to control the target satellite to receive the target forwarding data in laser communication mode or microwave communication mode. The present application can reduce the waste of laser communication resources while improving the transmission security and rate of the data to be forwarded.

The invention provides a maintenance data storage method based on an encryption technology, and relates to the technical field of industrial equipment maintenance data security. The method comprises the following steps that: terminal equipment acquires maintenance data, constructs an original data packet, and calculates an initial trust score of each transmission node; encrypting the original data packet and generating a digital signature, and constructing a security data unit; the transmission node performs verification and encrypted transmission in sequence to form an encrypted data link; the server calculates a dynamic trust score after receiving the data, verifies data integrity and updates a node trust score; generating a unique full-link traceability label for the verified data, and storing the unique full-link traceability label to the block chain; if verification fails, triggering an alarm and generating a responsibility definition report; and the authorized user can query full-link data through the traceability label. According to the method, the full-link credible traceability and tamper-proof protection of the maintenance data from generation to storage are realized, and the problem that the tamper link cannot be positioned and the responsibility cannot be defined by a traditional afterward verification mechanism is effectively solved.

The application provides a vehicle-machine application method and system based on screen recognition and instruction reconstruction; including: receiving natural language operation instructions of a vehicle driver and preprocessing; combining the current position of the vehicle, the operation period and the industrial operation task context, using multi-level matching rules, named entity recognition models and local instruction templates to perform business multi-level analysis and instruction reconstruction on the instructions, identify application identifiers, instruction types, control parameters and business priorities, and construct structured business instruction objects; sending the instructions through at least two communication channels with different protocol characteristics and according to the channel health state and business priority; the vehicle-machine end selects an online or offline mode according to the network state, determines the control mode according to the analyzed instruction type, and controls the application in a multi-modal way of URI Scheme, broadcast, business message and OCR screen recognition, dynamic coordinate scaling and barrier-free service simulated clicking.

This invention discloses a method and system for optimizing data interaction between intelligent terminals based on link state awareness, relating to the field of wireless communication data transmission technology. The method includes: constructing a directed acyclic graph topology; performing cooperative topology state discovery to generate a real-time link state communication topology; performing hierarchical packetization for transmission quality constraints; performing random linear network coding to obtain multiple linearly independent coded packets; performing distributed congestion-aware scheduling decisions to obtain multiple primary transmission links; performing differential coding and obfuscation transformation to obtain multiple obfuscated coded packets; and concurrently transmitting multiple obfuscated coded packets to a second terminal for Gaussian elimination decoding and reception. This invention solves the technical problems of weak topology adaptability, unreasonable congestion scheduling, and insufficient security protection in existing technologies, achieving efficient and secure data interaction between terminals and improving the real-time performance and transmission security of local area network data transmission.

This application discloses a message transmission method and system based on a CAN bus. The method includes: a first ECU node generating a node message according to predetermined rules and uploading it to the CAN bus for transmission; when a second ECU node receives a node message at a predetermined node address, it reads the message request identifier to see if it is a verification request. If so, it searches for the random number carried by the message, selects a matching encryption algorithm based on the random number, and verifies the generation time carried by the node message based on vehicle time data. After successful verification, it generates a second dynamic key based on the generation time and the random number using the selected encryption algorithm, and compares it with the first dynamic key carried by the node message. If they match, it uses the second dynamic key to decrypt the ciphertext carried by the node message to obtain valid data, generates a response message, and uploads it to the CAN bus to provide feedback to the sending ECU node. This application can achieve secure encryption and verification of messages on the CAN bus, improving transmission security and reliability.

The utility model relates to goods transmission technical field discloses a kind of anti-collision mechanisms for goods assembly line conveying, including arc plate, the rear end of the arc plate is provided with the first conveyor belt for conveying goods, both ends of the arc plate are fixedly connected with connecting plate, the connecting plate of the rear end of the arc plate is fixedly connected in the front end of first conveyor belt, the inside of the connecting plate is mounted with auxiliary conveyor belt, the connecting plate front and back sides of the right end of the arc plate are rotatably connected with rotating plate, the inside of the rotating plate is fixedly connected with deflector collectively. In the utility model, auxiliary conveyor belt is set to cooperate with conveying roller, so that the goods transported on the first conveyor belt is turned, so that it is consistent with the moving direction of the second conveyor belt, and the goods is made to slide on the second conveyor belt by the setting deflector, to avoid the collision of goods, resulting in goods damage, improve goods transmission safety.

Embodiments of the present application provide a data processing method, device and equipment and medium, the method comprises: receiving session encryption data for session service data; when a first encryption data component in the session encryption data meets a collaborative decryption policy associated with a collaborative decryption object, generating a random mask through a first random number generator; when the first encryption data component is masked and processed through the random mask to obtain masked data, obtaining a first decryption data component based on the first private key component and the masked data; sending the first decryption data component to a second service terminal; when the second decryption data component returned by the second service terminal meets the collaborative decryption policy, decrypting the session service data based on the second decryption data component and the first encryption data component, which can avoid the problem of private key leakage caused by single-point storage of private keys, and can also improve the transmission reliability and security of the session service data sent in the session process.

This invention relates to the field of network security technology and proposes a method and system for secure transmission in Virtual Private Networks (VPNs). The method includes: dynamically fragmenting the transmitted data of the VPN into unequal lengths to obtain fragmented data sequences; performing multi-path parallel routing optimization on the fragmented data sequences based on multi-dimensional traffic characteristics to obtain preferred transmission paths; quantifying the risks of the preferred transmission paths and performing hierarchical differentiated encryption on the fragmented data sequences to obtain encrypted data fragments; performing cross-link segmented logical isolation on the preferred transmission paths based on the encrypted data fragments to obtain virtual isolated transmission channels, and performing node authentication to obtain trusted isolated transmission channels; performing segmented transmission on the encrypted data fragments based on the trusted isolated transmission channels to obtain receiving-end data fragments; and verifying and reassembling the receiving-end data fragments to obtain restored data, thereby achieving secure transmission. This invention can improve the security of VPN transmission.

This invention provides a method and system for secure image transmission and storage suitable for unmanned aerial vehicle (UAV) remote sensing platforms. The system is characterized by: a UAV subsystem acquiring video frames or image data via UAV equipment, performing lightweight encryption, and embedding verification information; a cloud platform storing the data; and a user subsystem decrypting the cloud platform data by verifying user information and retrieving it to the user's end. This method and system can encrypt video frames or image data acquired by the UAV into multiple sub-data units before transmission. Even if some sub-data units experience packet loss or errors during transmission, the original video frames or images can still be recovered using the remaining sub-data units, effectively enhancing transmission fault tolerance. Furthermore, the data transmitted and stored on the cloud platform is encrypted; each encrypted data unit contains no information about the original data, and data can only be retrieved after user verification, effectively ensuring data storage security.

The embodiment of the invention discloses a risk model training method and device, electronic equipment and a storage medium. The method is applied to a target agent node, and comprises the following steps: in response to an aggregation triggering operation on a target global detection model on the target agent node, determining a participating agent node in at least one associated agent node in communication connection with the target agent node; obtaining a local detection model obtained by pre-training on each participating agent node, and performing aggregation operation on each local detection model to obtain a target global detection model on the target agent node; wherein the participating agent node is an associated agent node participating in the aggregation target global detection model, and the local detection model is a model obtained by training a deep neural network model by the participating agent node based on historical user data generated on the participating agent node. According to the technical scheme of the embodiment of the invention, the transmission security of the local detection model is higher, and the stability and effectiveness of risk identification operation are improved.

The embodiment of the invention discloses a secure transmission method and system for identity information, which are used for improving the transmission security of the identity information. The scheme provided by the invention comprises the following steps: providing a public key of the super SIM card for communication equipment, wherein the public key and a private key locally stored in the super SIM card are a key pair; receiving a first hash value and a ciphertext of a communication device through a quantum channel, the first hash value being obtained by performing hash calculation on identity information by the communication device, and the ciphertext being obtained by performing encryption on the identity information by the communication device using the public key; decrypting the ciphertext by using a locally stored private key to obtain identity information to be verified; performing hash verification on the identity information to be verified by using the first hash value; and if the hash verification is passed, storing the identity information.

The present invention belongs to the technical field of audio and video communication supervision, and specifically is an online audio and video communication management system suitable for judicial procedures, comprising a communication management platform, a court audio and video acquisition module, a trusted terminal network condition detection module, an audio and video transmission supervision module and a background supervision terminal; the present invention uses a trusted terminal pre-assessment module to reasonably analyze and accurately evaluate the use risk of a trusted terminal to be connected before audio and video transmission, ensuring that all connected trusted terminals are in a low-risk state, and when the trusted terminal displays audio and video information, the trusted terminal network condition detection module is used to detect the network status of the corresponding trusted terminal, and the audio and video display effects of all network terminals are monitored through the audio and video transmission supervision module, and after a transmission abnormality signal is generated, the abnormal cause is promptly investigated and diagnosed and corresponding targeted management and control measures are taken, further ensuring the transmission stability and transmission quality of the court's online audio and video.

The utility model relates to the technical field of conveying bottle material receiving, in particular to a continuous power material receiving platform of an efficient pneumatic logistics conveying system, which comprises a vertically arranged material conveying pipe and a receiving device, the receiving device is arranged on one side of a discharge port in the material conveying pipe, and a material blocking mechanism is sleeved on the outer periphery of the material conveying pipe. The material blocking mechanism comprises a first material blocking plate and a power mechanism, a strip-shaped through hole corresponding to the first material blocking plate in position is formed in the side wall face of the material conveying pipe, and the power mechanism is used for driving the first material blocking plate to stretch into and stretch out of the material conveying pipe along the strip-shaped through hole, so that the material conveying pipe is in a sealed and open shape. A linear conveying mechanism is arranged at the top end of the receiving device, a second material blocking plate is vertically arranged at the end, away from the material conveying pipe, of the receiving device, and by means of the technical scheme, the bottle conveying device has the advantages that the conveying safety of conveyed bottles is guaranteed, and the conveying efficiency is improved.

The invention discloses a routing information injection method and device, equipment and a readable storage medium, and belongs to the technical field of communication. The method comprises the steps that first routing information sent by first network equipment is acquired, the first network equipment supports a first routing protocol, and the first routing information corresponds to the first routing protocol and is used for representing routing from the first network equipment to a destination node; under the condition that the first routing protocol is different from a second routing protocol supported by the second network equipment, second routing information is determined based on the first routing information, and the second routing information corresponds to the second routing protocol; and injecting the second routing information into a second network device, the second network device being used for determining the next hop as the first network device according to the second routing information when receiving the data packet, and sending the data packet to the destination node through the first network device. According to the invention, the routing information is exchanged among the network devices with different routing protocols, the exchange scene of the routing information is enriched, and the practicability is improved.

The invention provides a message forwarding method. The method comprises the following steps: receiving a service message to be forwarded; determining a target service message matched with the message information of the target service from the service messages to be forwarded; and forwarding the target service message through the special member tunnel in the tunnel group. The invention further provides network equipment and a computer readable medium.

The invention relates to a non-inductive warehouse management system and method based on multi-modal authentication fusion, and the system comprises front-end equipment which comprises a face recognition camera, RFID recognition equipment, a voiceprint collector, a gait recognition camera, AR equipment and access control equipment; the back-end server is used for data storage and authority management of employees and warehouse materials; the multi-modal biological recognition fusion module is used for fusing the multi-modal biological characteristics to perform employee identity authentication; the dynamic authority intelligent adaptation module is internally provided with an authority management engine and automatically adjusts the access authority to the warehouse and the material operation range according to the state of the employee; the AR auxiliary sorting module is used for synchronizing the pre-receiving bill of materials of the employees to AR equipment, and the AR equipment provides material position navigation and an optimal sorting path in real time; and the non-inductive warehouse full-process management module is used for realizing automatic warehouse-in and warehouse-out management of material receiving and returning and warehouse access control.

The utility model relates to the technical field of conductors of power transmission cables, in particular to a large-section molded line split conductor for an alternating-current high-voltage cable. The utility model discloses a large-section molded line split conductor, which comprises a central compressed conductor, molded line stranded conductors are arranged outside the central compressed conductor, insulation paper is wrapped among the molded line stranded conductors and outside the molded line stranded conductors, the central compressed conductor is formed by compressing a plurality of round wires, and the round wires are wound on the central compressed conductor. The molded wire stranded conductor is formed by stranding at least two layers of non-oxidized molded wires. The technical problem to be solved by the utility model is to develop a large-section molded line split conductor capable of improving transmission efficiency and safety.

This utility model relates to the field of sheet metal production technology, and more particularly to a sheet metal material unloading and conveying mechanism for a sheet metal material warehouse. It includes a conveyor table equipped with a conveyor belt, and the conveyor table is respectively equipped with a limiting mechanism for conveying a stable layer of sheet metal and a cleaning mechanism for removing debris from the surface of the conveyor belt. By setting the limiting mechanism, this utility model can limit the sides of the sheet metal during conveying, preventing conveying deviation and improving the stability of the sheet metal conveying. Furthermore, the buffer structure reduces collisions with the sheet metal, thereby improving the safety of sheet metal conveying. By setting the cleaning mechanism, debris adhering to the surface of the conveyor belt can be removed simultaneously during the conveying of the sheet metal, preventing debris from scratching the sheet metal surface and affecting the production quality. The removed debris can also be collected, demonstrating practical performance.

The invention discloses a serialization and deserialization method and device, equipment and a readable storage medium. The serialization method comprises the steps of obtaining type factory and gap memory data; extracting operation elements from the data of the swan memory; generating a target adapter based on the data structure type of the operation element by using the type factory; generating a target key value matched with the operation element by using the target adapter, and assigning the target key value; judging whether the target adapter corresponds to a preset basic adapter or not; if not, disassembling the preliminary serialization result to obtain a disassembling result, extracting a new operation element from the disassembling result, and returning to the step of judging the data structure type of the operation element; and if yes, encrypting and combining each preliminary serialization result into a serialized character. It can be seen that through the process, serialization of the data of the swan-gap memory can be achieved, and the data transmission safety and transmission efficiency of the swan-gap memory are improved while the accuracy of the serialized characters is guaranteed.

The utility model discloses a gas transmission device which comprises two gas blowing adjusting plates, the bottoms of the two gas blowing adjusting plates are fixedly connected with two adjustable supports, the distance and the height between the two gas blowing adjusting plates can be adjusted through the arrangement of the adjustable supports, the gas blowing adjusting plates are of hollow structures, and the gas blowing adjusting plates are arranged on the adjustable supports. Mounting holes communicated with the interiors of the blowing adjusting plates are formed in the tops of the blowing adjusting plates, a plurality of air outlets are formed in the mounting holes, the air outlets are used for generating airflow blowing force, and the bottoms of the two blowing adjusting plates are fixedly communicated with the same air transmission pipe. Through the arrangement of a series of structures, articles can be conveyed through blowing force of airflow, conveying can be completed without making contact with the articles, the problems of scratching and bumping can be effectively solved through the non-contact conveying mode, conveying safety is improved, and the conveying efficiency is improved. And the distance and the height between the two blowing adjusting plates can be adjusted according to the sizes and the heights of the articles, and the use flexibility is improved.