23 results about "Switching algorithm" patented technology

The invention provides an anti-quantum national secret dual-mode cryptographic algorithm switching method and system based on dynamic scheduling, and relates to the technical field of dynamic scheduling, and the method comprises the steps: collecting the operation characteristics of a cryptographic communication session, and carrying out the analysis to obtain an evaluation result containing an attenuation inflection point and an algorithm failure time boundary; determining a candidate switching algorithm set from the heterogeneous algorithm pool according to an evaluation result, and calculating a resource overhead expected value and a safety gain expected value of each candidate algorithm; establishing a dual-mode collaborative switching decision mechanism, mapping resource overhead and security gain into a Pareto leading edge solution set in a reserved response interval before an algorithm failure time boundary, and determining a switching scheme by combining a semantic fragment boundary; algorithm switching is executed by inserting a control frame at a semantic fragment boundary, and iterative correction is carried out by utilizing scheduling execution feedback. According to the method, smooth switching between the national cryptographic algorithm and the anti-quantum algorithm is realized, the security and the resource efficiency are both considered, and the long-term security of the cryptographic system is ensured.

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 provides a large language model enhancement method and system based on a dynamic adapter, and the method comprises the steps: firstly, carrying out the expansion of a backbone network of a pre-trained large language model, adding a plurality of expert adapters, and inserting a gating network into the expert adapters; the particular expert adapter is then dynamically routed and activated using the gated network according to the input token. Next, a fusion adapter switching algorithm is employed, which is designed to merge the parameters of the activated expert adapter into the original parameters of the backbone network, thereby obtaining a fused backbone network. And finally, using the fused backbone network to execute forward calculation of large language model enhancement according to an input token so as to generate a decoding result. According to the fusion adapter switching algorithm, the calculation overhead can be reduced, and the reasoning delay is remarkably reduced; and dynamic adapters are integrated, so that the performance and efficiency of the large language model are enhanced.

The invention provides a control method and device for a three-phase interleaving LLC series resonant converter, and belongs to the technical field of power electronics, and the method comprises the steps: collecting a feedback signal of the three-phase interleaving LLC series resonant converter; the load state of the series resonant converter is judged according to the feedback signal, two working modes of the series resonant converter are determined, a four-switch frequency modulation and phase modulation working mode is adopted when the series resonant converter is in a light-load or no-load state, and a three-phase staggered half-bridge six-switch frequency modulation working mode is adopted when the series resonant converter is in a heavy-load state; and switching between the two working modes by using a preset switching algorithm based on the calibration gain matrix parameter. The three-phase interleaving LLC series resonant converter solves the problem that the three-phase interleaving LLC series resonant converter is unstable in voltage (large in output ripple) in a low-voltage light-load or no-load state, the output range is effectively expanded, and the problem of output gain abrupt change generated when a light-load working mode and a heavy-load working mode are switched is solved.

The invention provides an aircraft networking task planning simulation verification method and system. The aircraft networking task planning simulation verification method comprises the following steps: calling a preset group website site layout algorithm, and generating sight distance group website site layout information; based on a preset cross-regional networking switching algorithm, performing adaptive pre-switching judgment in combination with a preset flight path and a target station coverage range, and generating a sight distance networking cross-regional switching strategy; synchronously and dynamically simulating a pose change process of the aircraft along a preset flight path and establishment, maintenance, interruption and switching processes of a sight distance communication link between the aircraft and a target site based on the sight distance group site point layout information and a sight distance networking cross-region switching strategy to obtain simulation data; and verifying the generated sight distance group website point layout information and the sight distance networking cross-region switching strategy based on the simulation data. According to the technical scheme, a more accurate and reliable verification means can be provided for aircraft sight distance networking planning.

The invention belongs to a bandwidth adjustment method, and aims to solve the problems that a current power communication network neglects strict grading characteristics of power services, excessively depends on a centralized controller and cannot adapt to dynamic service growth and flexible scheduling requirements of an intelligent power grid. The invention provides an fgOTN segmented dynamic bandwidth adjustment method and a related device for an electric power scene. A maximum bandwidth segmented sharing protection strategy and a protection switching algorithm based on bandwidth adjustment are adopted. According to the maximum bandwidth segmented sharing protection strategy, a traditional end-to-end protection technology is converted into resource reservation based on link segments, links in a network topology are divided into multiple segments, the protection bandwidth needed by each segment is calculated, and cross-segment protection connection is allowed to share bandwidth resources. According to the protection switching algorithm based on bandwidth adjustment, protection switching control is carried out after a fault occurs, the fast lossless bandwidth adjustment capability of the fgOTN is fully utilized, and the bandwidth required by protection switching of each service can be flexibly allocated by utilizing the fine-grained bandwidth adjustment capability of the fgOTN.

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 an implementation method for first-number dual-mode service processing of a wide-narrow fusion terminal. The method comprises the following steps: firstly, determining service preconditions: wide and narrow bands use the same number and keep a consistent current group; secondly, introducing a preferable network concept: adopting a strategy of combining user preference and automatic switching, namely, providing an interface for a user to select a preferable network according to a use scene and the user preference; on the basis of the selection, an automatic switching algorithm is triggered, when it is detected that the current network is abnormal, another mode is automatically switched immediately, and the preferred network serves as a trustworthy mode identifier of the service; and finally, proposing a calling strategy: the incoming call and the outgoing call of the current group preferentially respond to an optimal network mode, so as to ensure that the call of the attended group is established in a mode with more reliable network quality and service. And when the preferred network mode cannot respond, the terminal automatically and quickly switches to another mode to respond or initiate a call, so that the user perception-free intelligent switching is realized, and the correctness, the stability and the sustainability of the current group call service are ensured to the greatest extent.

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 discloses a hardware accelerator for a key switching algorithm in a CKKS homomorphic encryption algorithm, and belongs to the field of privacy calculation and fully homomorphic encryption hardware acceleration. The hardware accelerator comprises an NTT / INTT circuit and a peripheral polynomial operation circuit. The NTT / INTT circuit is used for realizing domain transformation of a polynomial, and comprises a plurality of parallel butterfly operation cores and an NTT control module for generating a memory address and a data flow control. The butterfly operation core comprises a storage array, a calculation array and a peripheral digital circuit. The storage array is used for storing a rotation factor, and the calculation array is used for calculating a partial product of the rotation factor and polynomial coefficient multiplication. The hardware accelerator can realize highly parallel key switching operation, solves the problem of excessive fully pipelined data flow storage overhead caused by data dependency in other works, and effectively reduces the area and power consumption of the circuit.

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 discloses a multi-mode interactive dynamic rehabilitation intelligent mattress for hemiplegic old people. The multi-mode interactive dynamic rehabilitation intelligent mattress is characterized by comprising a multi-mode intelligent interactive system, a dynamic adaptive mattress structure and adjusting system, a health-rehabilitation collaborative management system and an emergency intelligent response system, the method has the advantages that the multi-modal interaction reliability is high, voice, eye movement and muscle force multi-dimensional instructions are fused, the problem of single-modal failure is solved through a priority switching algorithm, and the instruction recognition accuracy is larger than 92%.

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 application discloses a full-speed-range position sensorless control method for a three-phase permanent magnet synchronous motor and belongs to the technical field of power generation, power transformation or power distribution. In the zero-speed and low-speed stage, a constant-current variable-frequency mode is adopted to realize starting; in the medium and high-speed stage, a positionless control method is adopted to operate; and an instant switching algorithm guarantees quick and flexible switching of the low-speed constant-current variable-frequency operation and the medium and high-speed positionless control. The positionless control in the medium and high-speed stage is composed of a back electromotive force real-time calculation algorithm, back electromotive force normalization and a quadrature phase-locked loop; the response speed of the back electromotive force real-time calculation algorithm is consistent with the switching frequency, and a PI controller in the quadrature phase-locked loop realizes flexible switching of high and low speeds according to a rotating speed switching threshold. The full-speed-range positionless control algorithm only needs two motor parameters of a resistance and a cross-axis inductance, does not need a filter, has the characteristics of simplicity and reliability, good dynamic performance and low requirement on the performance of a processor, and the application range of the algorithm can cover medium and low end electric drive application scenarios.

The application relates to a GPON link dynamic reconstruction method and device fusing passive optical control and multiple parameters, and relates to the technical field of power communication.The method comprises the following steps: firstly, simultaneously collecting key parameters such as power, temperature, power supply voltage and current, and using a combination of sliding window averaging and mutation rate analysis to smooth and quickly capture faults of power data, so as to obtain target power parameters. Then, combining temperature, voltage and current as constraints of switching decision, a link rapid monitoring and self-healing switching algorithm based on an optical switch is constructed. When the environment is normal, link state detection such as fault monitoring or back switching judgment of a running link is performed. Finally, passive optical control is controlled by a single optical module under low-power pulse voltage, and link dynamic reconstruction is performed according to link state detection information, so that dynamic switching of a main / backup link is realized, and stable intelligent link self-healing and back switching are realized, and the reliability and availability of the link are improved.

The invention provides a wide-range speed regulation control method of a high-voltage frequency converter and a sampling and conditioning circuit, and belongs to the technical field of high-voltage frequency converters. A working frequency range is divided into three sections by setting a frequency boundary threshold value, and a three-phase acquisition unit is used for sampling the output voltage of the high-voltage frequency converter in real time; a multi-path phase calculation strategy is executed based on a frequency range, an integrating circuit is adopted to cooperate with 90-degree lead phase compensation at a high frequency, a low-pass filter circuit is adopted to carry out non-lagging processing at a low frequency, a smooth switching algorithm is adopted to carry out weighted fusion on two signals at an intermediate frequency, and a self-adaptive PID control algorithm is adopted to execute feedback adjustment. Coordinated balance of energy consumption and precision is achieved by applying a double-layer game, optimized control parameters are transmitted to a driving port to achieve wide-range speed regulation control, and the technical problem that it is difficult for the high-voltage frequency converter to guarantee phase precision and speed regulation control stability at the same time in a wide frequency range is solved.

The present application relates to the technical field of television system, and more particularly to a monitoring analysis method and analysis system for set-top box application, comprising a signal acquisition module, a real-time video feature extraction module, a standby signal source storage module and a seamless switching module. According to the mapping relationship between the video features and the viewing quality indicators, on the one hand, when the viewing experience is not optimal, the signal source can be switched, and through the buffer technology and the seamless switching algorithm, the standby signal source with weighted ranking can be switched to, so as to realize stable switching, reduce the interruption caused by signal switching, and at the same time, the signal source in the cloud can be called out to save switching time and improve the experience. On the other hand, the signal quality indicators are verified through the video features, so as to realize the quality indicators reflected by the double indicators, not only to ensure the accuracy of the quality indicator identification, but also to timely give an early warning when the signal acquisition module determines that the signal quality indicator is inaccurate, so as to improve the sustainable use effect of the monitoring set-top box.

The present disclosure provides a wind turbine variable pitch double controller control method and device, the method comprising: determining the wind condition state of the wind turbine; obtaining the final pitch control instruction of the variable pitch control based on the preset switching algorithm and the wind condition state; if the wind condition state of the wind turbine is normal turbulent wind condition, using the output signal of the preset variable gain PI variable pitch controller as the final pitch control instruction; if it is gust wind condition, using the output signal of the preset fuzzy PI variable pitch controller as the final pitch control instruction; if it is between normal turbulent wind condition and gust wind condition, using the common output signal of the variable gain PI variable pitch controller and the fuzzy PI variable pitch controller as the final pitch control instruction. The control performance of the existing wind turbine can be optimized without increasing the cost, in addition, the wind turbine itself can adapt to high turbulence wind field represented by mountain wind field, and wind turbine vibration overspeed and other shutdowns can be avoided.

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 application provides a stator segment power supply topology and a power supply switching algorithm applied to a segmented long primary linear motor, a frequency converter power supply supplies power to motor stator segments through a switching switch, the switching switch is composed of bidirectional thyristors and is connected in parallel to two adjacent stator segments of the same frequency converter, the two adjacent stator segments are connected to the frequency converter in different phase sequences, during the stator segment power supply switching process, the frequency converter power supply supplies power to the stator segment to be turned off and the stator segment to be turned on at the same time, the electric angle of the dq axis synchronous rotating coordinate system of the motor controller remains unchanged, and the amplitude of the current reference value of the current loop of the motor controller changes with the electric angle of the dq axis synchronous rotating coordinate system of the motor, the stator segment power supply topology and the power supply switching algorithm can increase the current of the stator segment to be turned on while reducing the current of the stator segment to be turned off, shorten the power supply switching time and inhibit the current impact of the motor.

Techniques are described for identifying switching points that switch the resolution of video during streaming due to changing the network bit rate. A first quality metric at a plurality of bit rates is determined (e.g., 414) between the selected video and a respective output video derived from compressing (410) and decompressing (412) the respective selected video. Further, a second quality metric at a plurality of bit rates is determined between the respective selected video and an amplified video generated by amplifying the output video. Using (512) the first and second quality metrics and the bitrate, a switching point is identified (514) that changes resolution during streaming.