12 results about "Handover algorithms" patented technology

The invention relates to a control method for a multi-protocol switching anti-quantum security gateway, and the method comprises the steps: carrying out the safety self-inspection of a hardware environment after the security gateway is powered on, generating a unique root key of equipment based on a physical unclonable function, continuously collecting and analyzing the network traffic characteristics, and carrying out the self-inspection of the hardware environment. Based on a machine learning model, a quantum attack mode is identified and an encryption algorithm mode is dynamically decided, protocol analysis is carried out on a communication data packet, dynamic conversion and adaptation are carried out between a traditional protocol and an anti-quantum cryptography protocol according to an instruction and a preset rule, and an anti-quantum cryptography engine is called to carry out encryption or signature operation. And dynamically deriving and managing a session key in a complete period based on a root key, switching an algorithm mode, a communication protocol and a key in a linkage manner according to a quantum attack detection result, and starting anti-side channel attack protection and hardware security response. According to the method, active protection of the security gateway on quantum attacks, multi-protocol seamless compatibility and full-life-cycle security management of keys are realized.

The invention discloses an ICS-oriented efficient multi-source data interaction method and system, and relates to the technical field of intelligent power plant ICS data communication. According to the method, interaction variables are limited through a backboard bus agent, and the data interaction security is improved in combination with a dual-access security control mechanism; a multi-link communication architecture fusing optical fiber, 5G and industrial Ethernet is constructed, transmission tasks are dynamically allocated by using an intelligent scheduling algorithm, and a communication procedure and a coding strategy are adaptively adjusted, so that the data transmission efficiency and reliability in different network environments are improved; a distributed cache unit is deployed at each server node, and the data access delay is reduced in combination with a cache consistency regulation and an intelligent scheduling and prefetching mechanism; through an omnibearing fault perception and parallel rapid switching algorithm, rapid takeover under a fault condition is realized, and service continuity is ensured in cooperation with data consistency; the method can be widely applied to industrial control systems with high requirements on data interaction safety, real-time performance and reliability, such as intelligent power plants.

The invention provides a security method and device based on homomorphic encryption, and belongs to the technical field of communication, and the method comprises the steps: obtaining a level 2 error learning hypothesis LWE ciphertext; converting the LWE ciphertext into a first ring error learning hypothesis RLWE'ciphertext at a level 1 by executing a public key switching algorithm and a splicing operation; and calculating the first RLWE'ciphertext by executing a scheme switching algorithm to obtain a first RGSW ciphertext at the level 1. It can be seen that one RLWE'ciphertext, such as a first RLWE 'ciphertext, is calculated through a public key switching algorithm, then the first RLWE' ciphertext is expanded into an RGSW ciphertext, such as a first RGSW ciphertext, through a scheme switching algorithm, the key size is smaller, and the overhead is smaller than that of calculation of two RLWE 'ciphertexts, so that the overhead of circuit bootstrap in a hierarchical homomorphic calculation mode can be reduced, and the circuit bootstrap efficiency is improved. The operation efficiency is improved.

The invention discloses a message forwarding method, device and equipment based on an ECMP dynamic algorithm, and the method comprises the steps: sending a message transmitted from an entrance to a Hash engine, and carrying out the Hash calculation of a specific field of the message through the Hash engine according to a key value, and generating a Hash value; in the ECMP, performing routing according to the hash value and the currently activated link to obtain a forwarding exit; wherein at least two links are included, and each link is configured with a different routing algorithm; and forwarding the message according to the forwarding exit. According to the method, algorithms with different characteristics are packaged in the ECMP and are combined with a Hash algorithm in the Hash engine to form a product-level algorithm combination, and a better load effect is achieved by analyzing, monitoring and counting the flow and switching the algorithms when the load is not uniform.

The invention provides a ship repair multi-element recommendation system and method based on a knowledge graph, and belongs to the field of ship repair intelligent decision making. The system comprises a data layer, an engine layer and an application layer, wherein the data layer stores a knowledge graph containing entities such as ships and repair projects in a Neo4j graph database; the engine layer is composed of a rule package engine, a statistical package engine, an intelligent package engine and an operation and maintenance package engine which are complementary in function, and compliance guarantee, high-frequency mode mining, personalized recommendation and dynamic response are achieved respectively. And the application layer provides a standardized API interface. According to the recommendation method, intelligent recommendation is achieved by building a knowledge graph, receiving request parameters, calling engines in parallel, collecting and de-weighting, and presenting results, algorithm models can be switched according to data scenes, and dynamic weight optimization can be introduced subsequently. According to the method, the problems of tedious compliance check, low experience utilization rate and insufficient individuation in the prior art are solved, the efficiency and accuracy of ship repair decision making are remarkably improved, and the workload of engineers is reduced.

This application relates to a control method for a multi-protocol switching quantum-resistant security gateway. The method includes, after the security gateway powers on, performing a hardware environment security self-test and generating a unique root key based on a physically non-cloning function; continuously collecting and analyzing network traffic characteristics; identifying quantum attack patterns and dynamically deciding on encryption algorithm modes based on a machine learning model; parsing communication data packets; dynamically converting and adapting between traditional and quantum-resistant cryptographic protocols according to instructions and preset rules; calling a quantum-resistant cryptographic engine for encryption or signature operations; dynamically deriving and managing session keys throughout their lifecycle based on the root key; and, based on quantum attack detection results, switching algorithm modes, communication protocols, and keys in a coordinated manner, while also enabling side-channel attack protection and hardware security response. This method achieves proactive protection against quantum attacks, seamless multi-protocol compatibility, and full lifecycle security management of keys for the security gateway.

The invention provides a dynamic sub-table batch writing optimization method for multiple account tables of a social platform, which belongs to the technical field of software development, and comprises the following steps of: firstly, performing sub-table on asset change data by adopting a sub-table strategy to improve the performance and expandability of a database; and then grouping the sub-table data and assembling proper SQL statements to realize efficient batch insertion. Meanwhile, a strategy switching algorithm is applied, new and old transaction logics are smoothly switched in a transaction boundary, and the transaction consistency in the migration process is guaranteed. And an exception bottom processing mechanism is also set, so that the service interface is ensured to be stable, and the influence of single-point fault expansion is avoided. And verifying the consistency of new and old transaction logic writing results through a consistency verification mechanism. And finally, through a gray scale amplification control mechanism, a new logic use range is gradually expanded, a dynamic batch write-in scheme is fully switched after full testing and verification, and a powerful guarantee is provided for stable operation and efficient data write-in of a social platform.

The application provides a test method and device based on a unified modeling language (UML) flowchart and a medium, and relates to the technical field of computers. The method comprises the following steps: acquiring all executable paths of a target UML flowchart; inputting a test data set into an initial executable path and acquiring the node types of each node in the initial executable path, wherein the test data set comprises multiple test data; determining the current executable paths of each test data by using a preset path switching algorithm according to the node types of each node; inputting each test data into each current executable path and outputting the test results of each current executable path. By applying the embodiments of the application, batch testing of the target UML flowchart can be implemented, and the executable paths can be flexibly switched according to the test data set during the testing process. Compared with the prior art, batch and automatic testing can be implemented, and the testing efficiency of the target UML flowchart can be improved.

The invention relates to the technical field of aircraft system / subsystem architecture design and software algorithms, and discloses a distributed cross-linking actuation system general architecture and software design method for an aircraft, and the method comprises the steps: designing a distributed redundancy controller and an actuator of an actuation system according to the overall aerodynamic layout and servo actuation requirements of the aircraft, designing a redundancy controller cross-linking relation and an actuation link single / double configuration relation based on the power-to-weight ratio and the reliability safety constraint; based on distributed layout and control requirements of an aircraft actuation system, a general software architecture process with a main / standby control mode and state intelligent decision judgment is designed; and designing performance state monitoring based on a real-time dynamic virtual model and a channel switching algorithm based on a key fault discrimination signal, and implanting the designed monitoring and switching algorithm into a software architecture to realize intelligent stress fault-tolerant reconstruction of the comprehensive servo actuation system corresponding to different fault working conditions.

The invention provides a distributed network slice switching method based on a multi-agent deep cycle double-Q network. The method comprises the following steps: constructing a heterogeneous cellular network scene based on end-to-end network slices; defining a service type of the network slice and establishing a service model and a switching model required by a switching problem; modeling a switching problem into a distributed partially observable Markov decision process model, and intelligently selecting a proper network slice in the network scene according to an actual demand and a network condition of terminal equipment so as to meet a network service demand of the terminal equipment; the distributed Markov decision process model is optimized and solved by adopting a multi-agent deep cycle double-Q network algorithm to obtain a switching strategy, and then slice distributed switching is performed on the switching system based on the end-to-end network slices based on the switching strategy, so that the defects of an existing switching algorithm are overcome; and an effective solution is provided for switching of the network slices.

The invention discloses a voice robot interaction effect optimization method based on an intelligent sensor, and the method comprises the following steps: S1, obtaining a user voice signal, and converting the user voice signal into text information; s2, extracting a phoneme sequence; s3, constructing a mouth shape database, and executing phoneme matching; s4, proposing an asynchronous mouth shape switching algorithm, and generating a prediction dynamic mouth shape sequence by adopting a mouth shape track adaptive optimization algorithm; s5, a flexible rigidity adjusting item and a damping adjusting item are introduced into the flexible dynamic model, an improved flexible dynamic model is constructed, the driving torque of the mouth of the robot is calculated, and steering engine driving control parameters are obtained; s6, a steering engine control instruction is generated, and a mouth shape action is executed; and S7, updating a steering engine control instruction. According to the method, the synchronization degree between the mouth shape motion of the robot mouth and the voice rhythm is improved, the mouth shape angle deviation and the mouth shape response time delay are reduced, and therefore the naturalness and stability in the voice robot interaction process are improved.

The present application belongs to the technical field of intelligent road pole control, and particularly relates to a device based on a data analysis algorithm of an intelligent road pole, comprising: an algorithm platform, a network communication protocol and an operating system, the algorithm platform is provided with a plurality of network communication interfaces and is used for data interaction between field devices; the algorithm platform comprises two redundant platforms, the two redundant platforms are respectively in real-time operation state and tracking operation state, and the two redundant platforms are switched between the operation state and the tracking state through a serial communication interface; the algorithm platform communicates with an upper computer through the network communication protocol and is used for real-time data transmission, and the redundant platforms realize data backup through network communication mode. The present application adopts a multi-model algorithm, so that the controlled object has the advantages of small overshoot and short adjustment time in the control process, and the upper computer software displayed externally can be used to more intuitively and conveniently build a logic configuration, thereby improving work efficiency.