36results about How to "Realize precise control" patented technology

The invention relates to the technical field of electric power systems, and discloses a network construction type energy storage converter control method and device and a related product. The method comprises the following steps: constructing a corresponding MPC controller based on a pre-constructed discrete state space equation of a to-be-controlled network-building type energy storage converter; the MPC controller comprises a cost function and a constraint condition; the cost function comprises a state error term; performing optimization solution on the MPC controller by adopting a preset optimization algorithm to obtain an active power reference value and a reactive power reference value when the cost function reaches the minimum; and utilizing a virtual synchronous generator module and a voltage and current double closed-loop control module to generate a pulse width modulation signal based on the active power reference value and the reactive power reference value so as to control the target network-building type energy storage converter. According to the invention, the problems of current impact, power angle instability and the like which are easy to occur in the grid-forming type energy storage converter during voltage drop can be effectively solved, and stable grid-connected operation of the grid-forming type energy storage converter under the working condition of power grid voltage drop is ensured.

The invention discloses a household appliance, which comprises a shell, a motor and a controller, and is characterized in that the motor is arranged in the shell and is used for operating according to alternating current input voltage; the controller is configured to detect motor parameters of the motor in real time when the motor operates; determining a q-axis voltage compensation value of the motor based on the motor parameters of the motor; adjusting the q-axis voltage value of the motor according to the q-axis voltage compensation value to adjust the voltage value of the motor to the target voltage value, thereby reducing the low-frequency pulsation of the motor, achieving the precise regulation and control of the motor, facilitating the improvement of the stability of the motor, prolonging the service life of the motor, and improving the overall performance of the electric equipment and the user experience.

The invention discloses a reinforcement learning intelligent traffic signal control method and system based on state-driven retrieval enhancement. The method comprises the steps of collecting real-time traffic flow state information of a traffic environment and constructing a global traffic state vector, retrieving a knowledge base to obtain related knowledge fragments and performing weighted aggregation to obtain a comprehensive knowledge representation vector, and constructing a fusion decision model fusing retrieval enhancement and a Markov decision mechanism, training convergence of the strategy network is completed after the enhanced state vector is generated, traffic signal control is achieved based on the converged strategy network, the generalization adaptation capacity, the anti-interference capacity and the operation stability of the signal control strategy to various traffic scenes are improved, random fluctuation of traffic flow and sudden traffic conditions can be effectively coped with, and the traffic signal control method is suitable for being popularized and applied. Through knowledge retrieval and prior knowledge fusion, traceability and interpretability of a control decision are realized, the efficiency of traffic signal control is effectively improved, the occurrence rate of intersection traffic delay and congestion is reduced, and reliable support is provided for intelligent collaborative management and control of a road network.

This utility model discloses a pulmonary function breathing trainer, aiming to solve the problems of existing training equipment being large in size, having limited functions, and lacking personalization. The device includes a cylindrical body open at the bottom and a trachea connected to the top, which can be connected to a mask or mouthpiece. A slider and a compression spring are installed inside the cylinder; airflow moves the slider, and the compression spring provides resistance, achieving resistance breathing exercises. An air outlet is located on the side wall of the cylinder, and an outer rotating cylinder is used. The size of the air outlet is adjusted by rotating a knob on the rotating cylinder to simulate pursed-lip breathing and precisely control the training intensity. The device has a built-in control unit, including a battery, sensors, a buzzer, a Bluetooth module, and a controller, which can monitor the training progress, remind the patient to train regularly, and provide personalized suggestions via a mobile app. This trainer is compact, easy to operate, and portable, suitable for pulmonary function rehabilitation training, and has high practicality and promotional value.

This invention discloses a self-supporting, high-efficiency OER Mo / Ru-Ni / NF electrocatalyst and its preparation method, belonging to the field of electrocatalytic materials technology. Addressing the problems of insufficient exposure of active sites, poor conductivity, and high interfacial resistance due to the need for binders in existing catalysts, this invention uses nickel foam as a substrate and employs a two-step electrodeposition method combined with a calcination process to prepare a composite catalyst with a cauliflower-like porous structure. This material optimizes the electronic structure and oxygen intermediate adsorption energy by introducing strongly electron-deficient Mo centers to modify the Ru-Ni heterojunction interface; the unique self-supporting porous structure increases the active area, promoting mass transfer and electron transport. This catalyst requires no binder, exhibits low overpotential, a small Tafel slope, and excellent long-term stability, significantly improving the catalytic performance of the oxygen evolution reaction (OER) and making it suitable for high-efficiency water electrolysis for hydrogen production.

The application provides a kind of parallel alternate operation method of reverse osmosis water purification system and water purification equipment, and relates to water treatment technical field, comprising: according to each initial single water production flow calculation can satisfy target water production flow the minimum number of reverse osmosis membrane module as current operation number;Control each branch reverse osmosis membrane module of current operation number forms each operation combination alternately to carry out water supply, in water supply process, real-time detection reverse osmosis system real-time total water production flow, in current operation number is not equal to the total number of reverse osmosis membrane module and real-time total water production flow is lower than the first total water production flow threshold value, current operation number is added one, and in current operation number is not equal to the total number and real-time total water production flow continues to be lower than the second total water production flow threshold value, give reverse osmosis membrane module replacement prompt.The beneficial effect is to fully exploit the remaining use potential of each reverse osmosis membrane, effectively prolongs the actual service cycle of single reverse osmosis membrane module.

The invention relates to a silicon-copper co-oxide catalyst for strengthening CO2 electroreduction and preparation and application of the silicon-copper co-oxide catalyst for strengthening CO2 electroreduction, and the preparation method comprises the following steps: dissolving soluble copper salt and tetraethoxysilane in ethanol to form a uniformly mixed precursor solution; the precursor solution is conveyed to a spraying nozzle through a sample injection pump, the spraying nozzle atomizes the precursor solution into aerosol through atomization gas and sprays the aerosol into a combustion chamber, the aerosol is combusted under the high-temperature condition of the combustion chamber, evaporation, pyrolysis and oxidation reactions are generated, and nano-particles are generated; and putting the nano particles into a quenching device, and rapidly cooling to obtain a nano Si-Cu-Ox co-oxide, namely the catalyst. When the catalyst is applied to the process of preparing ethylene through CO2 electroreduction, Cu < + > active species generated in the electroreduction process can be stabilized and prevented from being reduced, so that C-C coupling of an intermediate product is strengthened, and the selectivity of an ethylene product is remarkably improved.

The invention provides a photo-thermal activated epoxy shape memory polymer and a preparation method thereof, and belongs to the technical field of functional materials. The preparation method comprises the following steps: uniformly dispersing carboxylated multi-walled carbon nanotubes in a system containing epoxy resin and an organic solvent according to a certain addition ratio, adding a curing agent, mixing, pouring, and curing to obtain the shape memory polymer. The polymer has high glass transition temperature, high tensile strength and good toughness, and can realize rapid shape recovery under the irradiation of near-infrared light. The invention also provides a method for driving the shape memory polymer to recover the shape, and the shape of the deformed shape memory polymer can be recovered only in 30-100 seconds under the action of a thermal activation mode or an infrared light irradiation activation mode. The problems that a traditional epoxy shape memory polymer is single in driving mode, and mechanical performance and driving performance are difficult to consider at the same time are solved, and the method has wide application prospects in the fields of intelligent driving and precise control.

The application discloses a boiler comprehensive automatic control system, which comprises a monitoring unit for monitoring water vapor pressure, water vapor flow, fuel concentration and oxygen concentration in a boiler; a fuel quantity adjusting unit for adjusting the fuel quantity entering into the boiler according to the water vapor pressure in the boiler; an air quantity adjusting unit for adjusting the air quantity entering into the boiler according to the oxygen concentration entering into the boiler; a water level adjusting unit for adjusting the water level in the boiler according to the water vapor flow in the boiler; and a control unit for automatically controlling the working states of the fuel quantity adjusting unit, the air quantity adjusting unit and the water level adjusting unit according to the data detected by the monitoring unit. The application realizes accurate regulation and control of multiple units by real-time monitoring of various parameter conditions in the boiler through the monitoring unit and accurate control of the working of each unit through the control unit, so that the combustion efficiency of the boiler is greatly improved, and safe, stable, environment-friendly and economic operation of the boiler is ensured.

The application discloses a low-cost high-strength aluminum-lithium alloy for a space cabin body and a preparation method thereof, and belongs to the technical field of aluminum-lithium alloys.The aluminum-lithium alloy comprises the following components in mass fraction: 91.5-94.5 parts of aluminum, 3.9-4.2 parts of copper, 1.0-1.5 parts of lithium, 0.2-1.0 parts of magnesium, 0.2-0.4 parts of silver, 0.3-0.8 parts of zinc, 0.10-0.12 parts of zirconium and 0.15-0.25 parts of mixed rare earth; the mixed rare earth is a mixed rare earth of cerium and lanthanum, and the mass ratio of cerium to lanthanum is (1.5-2.5):1; the total mass of metal impurities in the aluminum-lithium alloy is not more than 0.15 parts, and the single metal impurity is not more than 0.05 parts; through multi-component micro-alloying design and a precise controllable thermal mechanical treatment process, the application solves the technical problems that the existing aluminum-lithium alloy is high in cost due to the dependence on high-content noble metals and is anisotropic in mechanical properties due to strong deformation texture, and provides an ideal material which is excellent in comprehensive performance and economically feasible for a space cabin structure.

The invention provides a potato-tower-shaped nanofiber as well as a preparation method and application thereof, and belongs to the technical field of solid-phase microextraction. The preparation method of the potato-tower-shaped nanofiber comprises the following steps: mixing and dissolving a fiber-forming polymer, an amino precursor, a spinning aid and a solvent I to prepare an electrostatic spinning solution; preparing nanofibers by using an electrostatic spinning technology; the preparation method comprises the following steps: soaking nanofibers in water, and washing and drying after soaking; dissolving an aldehyde group precursor and a template agent into a solvent II to obtain a mixed solution, dipping the nanofiber into the mixed solution, adding a catalyst, and then performing solvothermal reaction to obtain the potato-tower-shaped nanofiber. A large number of uniformly-distributed and orderly-arranged sheet structures are inlaid on the surface of the nanofiber, and the whole fiber is in a potato tower shape; the potato-tower-shaped nanofiber has excellent extraction performance on a micro-plastic loaded plasticizer. The potato-tower-shaped nanofiber disclosed by the invention shows good application potential in the fields of sample pretreatment and solid-phase microextraction.

The invention belongs to the field of biological materials and cell manufacturing, and relates to a micro-fluidic micro-carrier preparation device, a micro-carrier surface modification method and application of the micro-fluidic micro-carrier preparation device in stem cell large-scale amplification and stemness maintenance. The device comprises a dispersed phase injector for injecting a dispersed phase solution; the continuous phase injector is used for injecting a continuous phase solution; the micro-fluidic chip comprises a bottom plate, a micro-channel, an upstream capillary tube, a downstream capillary tube, a micro-carrier collector and a UV curing lamp; the upstream capillary tube is embedded at the front end of the micro-channel and is connected with the dispersed phase injector and the continuous phase injector; a needle head of the continuous phase injector is fixed at a joint of the upstream capillary tube and the micro-channel; the downstream capillary tube is embedded at the tail end of the micro-channel, and a liquid inlet of the downstream capillary tube and a liquid outlet of the upstream capillary tube are oppositely arranged and located on the same central axis; and the microcarrier collector is connected with the tail end of the downstream capillary tube through a connecting tube. According to the invention, through a unique microfluidic flow control focusing structure, the precise and controllable production of the microcarrier size is realized.

The application discloses a mechanical finger, a control method, device and equipment of the mechanical finger and a medium, and relates to the field of robots.The mechanical finger 100 comprises a proximal phalanx 10, a distal phalanx 20 and a base 30; the bottom of the proximal phalanx 10 is movably connected with the top of the base 30, and the bottom of the distal phalanx 20 is movably sleeved on the top of the proximal phalanx 10; a proximal phalanx motor 11 and a distal phalanx motor 21 are fixedly arranged in the base 30, the proximal phalanx 10 is in transmission connection with the proximal phalanx motor 11, and the distal phalanx 20 is in transmission connection with the distal phalanx motor 21.In this embodiment, the proximal phalanx motor 11 and the distal phalanx motor 21 are arranged in the base 30, so that the sizes of the proximal phalanx 10 and the distal phalanx 20 tend to the actual sizes of a human hand, and thus the precise control of the mechanical finger 100 is realized.

The utility model discloses a kind of mobile carriers for electronic product manufacturing, including rack, support guide rail is arranged in the length direction in the rack, the both sides of the support guide rail are symmetrically provided with guiding slide groove, mobile seat is provided above the rack, bearing tray is inserted and installed on the mobile seat, positioning clamp is provided on the bearing tray, battery box, controller and servo drive mechanism are provided in the mobile seat, the utility model relates to electronic product manufacturing technical field, power is provided for mobile seat by servo drive mechanism, the accurate regulation and control of mobile seat position are realized, to realize the automation movement of electronic temperature controller shell, cooperate different processing equipment to realize the automatic assembly operation of multiple stations, compact structure, high reliability and easy to adjust, multiple carriers can be coordinated synchronous action, also can be driven separately controlled, compared with traditional multiple-speed chain conveying tray structure, intelligent degree is higher.

The invention relates to the technical field of computers, and discloses a virtual item interaction method and device, equipment, a medium and a product, and the method comprises the steps: determining a first resource amount corresponding to a first virtual item in response to a transaction registration operation of the first virtual character for the to-be-transacted first virtual item; in response to a first transaction event between the first virtual character and the second virtual character for the first virtual item, determining a second resource quantity corresponding to the first transaction event; the second resource quantity is the residual resource quantity obtained by subtracting the additional resource quantity determined based on the target proportion from the first resource quantity; the target proportion is a proportion determined based on a game contribution index of the first virtual character and / or the second virtual character; and executing the first transaction event. According to the application, additional resources additionally needed in the transaction process can be dynamically adjusted, and accurate regulation and control of transaction results of different virtual roles are realized.

The application provides a control method, a control device, a control system and a storage medium of an air conditioner. The control method comprises the following steps: obtaining device information of a user terminal; obtaining target device information in a running area of the air conditioner according to the device information; and regulating and controlling the air conditioner according to the target device information. With the progress of science and technology, people's life and work are more and more inseparable from mobile phones, and the mobile phones also become the daily life of people's personal carrying articles. The application regulates and controls the air conditioner based on the device information of the user terminal, and the user terminal comprises a mobile phone of a user. The application obtains the device information of the user terminal, and then obtains the target device information in the running area of the air conditioner according to the device information, so that the accuracy of the air conditioner control method is increased. The information of the user change in the running area of the air conditioner can be recognized in time according to the device information of the user terminal, intelligent control of the air conditioner is formed, and the purpose of energy saving is achieved.

The present application provides an image generation method, device, equipment, medium and product, and relates to the technical field of computer processing. The method comprises the following steps: obtaining second content based on a data unit and first content, wherein the first content is used at least for indicating first planning layout information of a first media element, and the second content is used for representing spatial position information of the first media element; and obtaining third content based on the second content, wherein the third content is provided by a first machine learning model and is used for indicating an output image corresponding to the first content. The method solves the problem that the output result of the machine learning model is not adapted to the demand when an image is generated or edited, and improves the accuracy of image generation or image editing.

The application belongs to the technical field of biological fermentation, and relates to a bacillus licheniformis SXZY-02 and application thereof, and comprises the following steps: a bacillus licheniformis (Bacillus licheniformis) SXZY-02 is separated from the surface of tobacco leaves, Lysinibacillus macroides ) and the strain preservation number is CCTCC NO:M 2025152; the bacillus licheniformis SXZY-02 is fermented to obtain a biological agent containing the bacillus licheniformis SXZY-02, and after fermentation optimization, the lipase activity is 8.99 U / mL; the biological agent containing the bacillus licheniformis SXZY-02 is applied to tobacco shred fermentation, fat is decomposed into free fatty acid, tobacco aroma quality and alcohol degree are effectively improved, and irritation is reduced. The technology provides a green and environment-friendly solution for tobacco quality upgrading, and meets the high-quality development direction of the industry.

The utility model discloses spinning thread processing equipment, which relates to the technical field of spinning thread processing, and comprises a coagulating basin, an air section, a water inlet pipe, a water outlet pipe and a water outlet pipe, the air inlet pipeline is used for conveying air with set temperature and humidity to the air section; the spinning nozzle is arranged at the upper end part of the coagulating basin; the output end of the circulating pump is connected with the upper end part of the coagulating tank, and the input end of the circulating pump is connected with the lower end part of the coagulating tank and the water injection pipeline. The spinning yarn processing equipment solves the technical problems that the temperature and humidity of the air section are difficult to control, so that a phase separation structure of a hollow fiber membrane yarn primary body is not uniform, and the performance of the hollow fiber membrane yarn is unstable, and the temperature and humidity of the air section are always kept stable by inputting gas with set temperature and humidity into the air section, so that the performance of the hollow fiber membrane yarn is improved. And it is ensured that phase separation of the hollow fiber membrane filament primary body starts in the solidification liquid, it is ensured that the radial humidity and temperature of the hollow fiber membrane filaments are uniform, and the forming quality of the hollow fiber membrane filaments is improved.

The invention relates to the technical field of chemical engineering system optimization, and discloses a planning design verification method for an electrolytic manganese hydrogen production-chlor-alkali chemical engineering coupling system. The method comprises the following steps: acquiring first real-time operation parameters such as current density and cell pressure of an electrolytic manganese hydrogen production unit, and second real-time operation parameters such as alkali liquor concentration and hydrogen purity of a chlor-alkali chemical unit; screening a matching operation section matched with the current hydrogen production fluctuation characteristic from the historical coupling operation data; analyzing the bath pressure change on the time sequence of the matched operation section to determine a coupling response action point, and calculating the coupling delay amount from the starting point to the action point; then comparing the current density before and after the coupling response action point with the change trend of the hydrogen purity data sequence, and determining a parameter matching degree; determining a coupling weight coefficient by combining the coupling delay amount, the parameter matching degree and the fluctuation characteristic difference; and inputting the generated dynamic efficiency coefficient and the first real-time operation parameter into a system verification controller, and outputting a system adjustment instruction, so that accurate planning verification of the coupling system can be realized.

The invention relates to the technical field of cymbidium plant cultivation, in particular to a cymbidium plant planting method, which comprises the following steps of: acquiring an explant, analyzing an initial projection area and an average gray value of the explant through an image, dividing the explant into a superior body, a potential body, an active body and a lagging body by using a median, and analyzing an optimal physical stimulation scheme of each category after verifying a classification effect, the method comprises the following steps: carrying out preliminary cultivation based on a scheme, monitoring an area growth rate and a gray level change rate, and dynamically adjusting parameters; transplanting tissue culture seedlings to a matrix; evaluating maturity by calculating a plumpness index of a pseudobulb; calculating the index based on a maximum diameter, a height and a hardness value and comparing the index with a threshold value; according to the method, vernalization environment effect values are calculated day by day, vernalization induction is completed after an accumulated value reaches a threshold value, finally, temperature-returning flower forcing treatment is conducted, the temperature-returning flower forcing treatment comprises gradual temperature rising and high-phosphorus potassium fertilizer application, through scientific classification and personalized management, the protocorm induction efficiency and the flowering rate are improved, and efficient and stable cultivation of orchid plants is achieved.

The present application relates to the technical field of polypeptide synthesis automation control, in particular to a 96-channel polypeptide synthesizer control instruction generation method and device.The present application slices a peptide sequence set according to amino acid positions, generates a sliced amino acid demand distribution matrix, takes the sum of the number of adjacent channel pairs required by adjacent active channels on the path in all slices as the optimization target, deduces the optimal access path sequence of the mechanical arm to the 96 channels, divides the legal addition segment and marks the gun head replacement position on this basis, generates AA liquid addition instructions, + addition instructions and gun head replacement instructions in turn, performs end-capping processing on the exit channel, and finally outputs a complete lower machine control instruction sequence.The present application can effectively reduce the number of gun head replacements in the synthesis process and improve the synthesis efficiency.

The invention belongs to the technical field of high polymer materials, and particularly relates to a modified structure regulator and application. The structural formula of the modified structure regulator is as shown in formula (I), the modified structure regulator is applied to preparation of solution polymerized styrene-butadiene rubber to realize accurate regulation and control of a microstructure, and on the basis of the total mass of a structural unit from a conjugated diene monomer in a single molecular chain, the content of a vinyl structure is 25-40%, the content of trans-1, 4-butadienyl is 35-45%, and the content of cis-1, 4-butadienyl is 35-45%. And the content of 1, 4-butadienyl is 15-40%, so that the rolling resistance of the rubber is obviously reduced on the premise of not sacrificing or even improving the wet skid resistance and wear resistance.

The utility model discloses a K waveband wave same conversion structure relates to microwave communication and radar technical field. The K waveband wave same conversion structure includes integrated metal - dielectric composite cavity, and the cavity has the top cover plate, the intermediate layer and the bottom plate, the top cover plate inlay ceramic sheet array of dielectric constant gradient, the intermediate layer includes the metal grid of suspension gradient, and the grid density is increasing along the propagation direction, and the bottom plate is provided as the metal reflection plate of the bellowed convex projection. The K waveband wave same conversion structure provided by the utility model is used for solving the narrow bandwidth, high loss and volume limit problem in the prior art.

The application discloses a kind of short video continuous playing method and system based on multi-modal data, and the application relates to the technical field of short video, corresponding multi-modal data is constructed according to visual flow, audio stream and text flow, and key video segment is determined in the matching process of hobby watching feature and multi-modal data, corresponding emotional characteristics are determined based on each key video segment and corresponding user viewing behavior, corresponding continuous playing instruction is determined according to emotional characteristics, key video segment corresponding short video and the preset playing order of multiple short videos, the accuracy of continuous playing instruction is improved, different dimensions are fully considered, and the primary operation instruction is determined according to the multi-dimensional behavior characteristics;In the same time dimension, the playing picture of the continuous playing event of the primary operation instruction and short video is matched, to determine the corresponding matching level, the final operation instruction is determined according to the matching level and the viewing history of user, and the accurate regulation of short video is realized.

The present application belongs to the technical field of underwater propulsion ignition control, and particularly relates to a high-efficiency ignition control method for underwater aluminum powder and atomized water reaction. The present application adjusts system variables based on real-time working conditions, performs drying and dispersion on aluminum powder, and performs stable pressure atomization and preheating on water. Then, layered induction heating is implemented by using an alternating magnetic field, and through two-stage gradient heating of preheating and ignition, instantaneous ignition triggering is realized. During the reaction, a temperature closed-loop control mechanism is constructed, the heat preservation power and the material supply rate are dynamically adjusted, and pressure adaptation is simultaneously performed to maintain the continuous stability of the reaction. Finally, the system is reset through smooth cooling and multi-stage purging. The present application effectively overcomes the interference of underwater extreme environment, significantly improves the ignition success rate and system operation stability, effectively reduces the overall ignition energy consumption, and provides a reliable closed-loop control scheme for the engineering application of a new type of underwater high-energy power system.

This invention discloses a quantitative coal mining control system for preventing excessive gas levels in coal mines, including a gas volume fraction monitoring probe, a safety early warning and monitoring module, and a gas exceeding limit quantitative control module. The gas volume fraction monitoring probe includes a monitoring probe T1 located at the end of the transport roadway near the coal mining face, a monitoring probe T2 located at the coal mining face, a monitoring probe T3 located at the end of the return airway near the coal mining face, a monitoring probe T4 located at the end of the return airway away from the coal mining face, and monitoring probes T1, T2, T3, and T4 are respectively connected to the safety early warning and monitoring module and the gas exceeding limit quantitative control module.

This invention provides a multiphysics simulation method and system for pump-bridge perforation operations, relating to the field of data processing technology. The method includes: Step 1, establishing a three-dimensional wellbore trajectory model including the geometric parameters of the casing deformation section, a mechanical model of the tubing string / tool ​​string, and a hydrodynamic model based on the target well's logging and completion data; Step 2, setting the initial pumping displacement, cable lowering speed, wellhead pressure, wellbore temperature distribution, and tubing string-wellwall friction contact boundary conditions according to the operation design parameters; Step 3, performing a global multiphysics coupled transient simulation calculation based on the initial multiphysics model and boundary conditions to obtain the global transient simulation results including the tubing string's motion trajectory. This invention improves the accuracy of multiphysics simulation in pump-bridge perforation operations, optimizes operation parameters, provides guidance for construction, and enables quantitative classification and early warning of construction risks, thereby reducing operational risks and ensuring safe and efficient operation.

The application discloses a cellular automaton method for simulating continuous dynamic recrystallization behavior of an alloy, and comprises the following steps: (1) generating an initial microstructure; (2) carrying out cellular topological deformation calculation, and updating a cellular state variable; (3) establishing a dislocation density evolution model, and generating subgrain nucleation in an original grain; (4) establishing a subgrain rotation and growth model, and calculating subgrain orientation change and small-angle grain boundary migration rate; (5) establishing a high-angle grain boundary migration model, and calculating a growth speed of newly generated recrystallization grains; and (6) outputting grain topological morphology, average subgrain / grain size, recrystallization fraction, and small-angle / high-angle grain boundary fraction. The cellular automaton method for simulating continuous dynamic recrystallization behavior of the alloy can accurately simulate the continuous dynamic recrystallization behavior of the alloy, and provides technical guidance for alloy process parameter setting and microstructure regulation.

The invention discloses a security control method and device for source file copying, and the method comprises the steps: receiving a copying request data packet from a terminal, and obtaining the historical copying behavior feature data of a user; calculating a behavior deviation degree based on the attribute information, the timestamp, the hardware identifier and the historical copy behavior feature data; retrieving in a security risk information base based on the hardware identifier; checking whether the target USB flash disk has a security risk or not based on the retrieval result; when the target USB flash disk does not have the security risk, analyzing the attribute information of the source file to be copied to obtain the type feature of the source file to be copied; matching the type characteristics with a predefined file risk rule base, and outputting a file risk analysis result; according to the behavior deviation degree and the file risk analysis result, generating a comprehensive security index by adopting a weighted fusion algorithm; and selecting a file copying action according to the comprehensive security index. According to the method and the system, accurate control and whole-process safety management of copying behaviors are realized.