6 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 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 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 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 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.