23results about How to "Regulation and stability" patented technology

The invention discloses a two-dimensional magnetic material device and a preparation method and a regulation and control method thereof, and the regulation and control method comprises the steps: enabling ionic liquid to cover the surface of a two-dimensional magnetic material, enabling the ionic liquid to be in contact with a grid electrode, a source electrode, a drain electrode and the two-dimensional magnetic material, and continuously applying current from the grid electrode to the source electrode and to the drain electrode, and the regulation and control of the two-dimensional magnetic material device are completed. According to the two-dimensional magnetic material device and the preparation method and the regulation and control method thereof provided by the invention, the ionic liquid containing the cationic molecular chains with different lengths is selected to perform intercalation on the two-dimensional magnetic material device, so that regulation and control on the two-dimensional magnetic material device are realized, and the regulation and control flexibility of the two-dimensional magnetic material is greatly improved; and the coercive field, the magnetic anisotropy energy and the carrier concentration of the two-dimensional magnetic material can be changed.

The invention provides a combine harvester header flexible profiling device and a control method. The combine harvester header flexible profiling device comprises a hanging mechanism, a height detection device, an angle detection device, a transverse driving mechanism, a longitudinal driving mechanism and a header automatic profiling device. The hanging mechanism comprises a front hanging plate and a rear hanging plate; the height detection device comprises a contour wheel, a spring cylinder, a telescopic rod, a displacement sensor and a spring. A three-position four-way electromagnetic reversing proportional valve is adopted to control the header to perform automatic profiling, so that cooperative or independent operation of transverse and longitudinal driving mechanisms of the header is realized; the flexible profiling device has transverse and longitudinal profiling functions and can adapt to fluctuation of farmland soil, automatic adjustment of the posture of the header is achieved, and the harvesting efficiency and the operation quality are improved.

The invention provides an active transformer area power equipment regulation and control method based on federated learning and a power system, and relates to the field of power engineering, the field of artificial intelligence and the field of federated learning. The method comprises the following steps: an intelligent agent end executes a first-stage training operation on an intelligent agent end model to obtain a first intelligent agent end model parameter; the server side carries out parameter aggregation on the respective first agent side model parameters of the plurality of agent sides to obtain global model parameters; the multiple agent ends execute second-stage training operation on the global agent model to obtain second agent end model parameters of the agent ends; the server side clusters the respective second agent side model parameters of the plurality of agent sides to obtain a plurality of center model parameters; the agent end determines a target agent end model parameter from the plurality of center model parameters; and the agent side regulates and controls power equipment related to the agent side to execute power equipment actions by using a target agent side model determined based on the target agent side model parameters.

The utility model relates to a magnetism enhanced electromagnetic valve and a pneumatic comfort system, the magnetism enhanced electromagnetic valve comprises a valve body and a valve core unit arranged in a valve cavity of the valve body, and the valve body is provided with a first air passage, a second air passage and a third air passage which are communicated with the valve cavity; a coil surrounds the outer wall of the valve body; the valve element unit comprises a ferromagnetic connecting piece and a first permanent magnet and a second permanent magnet which are arranged at the two ends of the ferromagnetic connecting piece correspondingly. The coil has a magnetic pole interface; when the valve element unit moves in the valve cavity, the first permanent magnet and the second permanent magnet are located on the two sides of the magnetic pole interface all the time respectively. According to the magnetism-enhanced electromagnetic valve, the coil drives the valve element unit to move in the valve cavity so as to regulate and control connection and disconnection of the second air channel, the first air channel and the third air channel, and in the moving process of the valve element unit, the first permanent magnet and the second permanent magnet of the valve element unit are located on the two sides of a magnetic pole interface all the time respectively. The valve element unit keeps constant force in the left-right moving process, and stable regulation and control are achieved.

The invention discloses a sleep state closed-loop deep brain stimulation method and system based on a multi-modal signal, and the method comprises the steps: preprocessing an obtained electroencephalogram signal and an electromyographic signal, extracting multi-dimensional candidate features, and obtaining a core feature vector through screening; constructing a sleep state prediction model, inputting the core feature vector into the sleep state prediction model, and outputting a probability result of sleep state classification and a corresponding reliability index; executing multi-level physiological safety verification to obtain a target state, and allowing to output a state switching instruction when and only when the multi-level physiological safety verification is passed and the target state meets a preset stable condition; and continuously outputting a corresponding stimulation parameter set to the deep brain stimulation electrode based on a final target state corresponding to the state switching instruction. The problems that in the prior art, in the closed-loop regulation and control process, the sleep state recognition result is excessively relied on, and physiological safety constraint and stimulation continuity control are lacked are solved.

The invention relates to the technical field of aircrafts, and discloses an air blowing adjusting structure for a rudder, an adjusting method of the air blowing adjusting structure and an aircraft, the air blowing adjusting structure comprises an air inlet cylinder, the air inlet cylinder is used for being connected with an air supply pipeline, and the air inlet cylinder comprises an air flow gate; at least part of the rotating body is rotatably connected to the air inlet cylinder, the rotating body comprises a first cavity and a second cavity, a first air inlet of the first cavity and a second air inlet of the second cavity are both communicated with the airflow gate, and the rotating body is connected with the rudder and rotates relative to the air inlet cylinder along with deflection of the rudder; the opening areas of the airflow gate, which are respectively communicated with the first air inlet and the second air inlet are adjusted; air flow is blown out to the corresponding blowing controllers through the first air outlet of the first cavity and the second air outlet of the second cavity. According to the scheme, the rudder is rotated to drive the rotating body connected with the rudder to rotate so as to change the amount of air blown into the air blowing controller, the structure is light and handy, the operation is convenient and fast, and the price is low.

The application discloses a kind of power transformer room temperature double-season regulation and control method, belong to power transformer room temperature control technical field, using electric heating radiator heating and axial fan cooling Dual-equipment special regulation and control mode, targeted adaptation winter and summer double-season extreme temperature environment, winter through electric heating radiator global steady heat compensation, solve machine room low temperature condensation, transformer insulating oil viscosity, unstable problem of start running;Summer through axial fan forced convection heat dissipation, quickly reduce machine room temperature, avoid transformer high temperature overheating, loss exceeds standard, insulation aging problem, double-season temperature control pertinence is strong, adaptability is extremely high;Using multi-point temperature measurement, global temperature control mode, effectively avoid single-point temperature measurement error, temperature control is stable, precision is high, machine room internal temperature uniformity is good, avoid local temperature difference too large and lead to transformer local stress uneven, performance attenuation problem, greatly improve the annual operation stability and service life of power transformer.

The utility model relates to the technical field of gas cooking appliances, and discloses a gas speed regulation structure of a gas cooking appliance, which comprises a gas table, an exhaust pipe is fixedly connected inside the gas table, a gas conveying pipe is fixedly connected on the lower surface of the gas table, a gas outlet pipe is fixedly connected on the outer wall of the gas conveying pipe, and a gas inlet pipe is fixedly connected on the gas outlet pipe. An air valve is fixedly connected to the outer wall of the air outlet pipe, a first chain wheel is fixedly connected to the outer wall of the air valve, a fixing shaft is rotationally connected to the interior of the exhaust pipe, a second chain wheel is fixedly connected to the outer wall of the fixing shaft, and a chain is connected between the first chain wheel and the second chain wheel in an engaged mode. According to the gas speed regulating device, the main bevel gear and the auxiliary bevel gear are meshed with each other to rotate, so that the fixing ring can slide on the threaded rod, the distance between the baffle and the fixing plate is regulated and controlled, and the problem that most of existing gas speed regulating structures are manually and independently regulated and controlled through gas valves; and the speed of the fuel gas cannot be adjusted more accurately.

The invention relates to the cross technical field of artificial intelligence and digital platform governance, and discloses a digital labor system closed-loop regulation and control method based on multi-agent reinforcement learning, which comprises the following steps: S1, collecting multi-source data in real time and fusing, and constructing a system state vector; s2, modeling key participants of the system into four types of intelligent agents including a platform, a worker, a demand side and a constraint, and constructing a multi-party Markov game model; s3, a centralized reviewer and distributed actuator architecture is adopted, and a combined regulation and control strategy with stability as a target is generated; s4, calculating three types of stability indexes of the laborer, the demand side and the whole system, and mapping the three types of stability indexes into reinforcement learning feedback signals; and S5, mapping the strategy into a platform executable parameter, performing execution after security verification, and feeding back an execution result to the sensing layer to form a closed-loop regulation and control mechanism. According to the method, multi-agent reinforcement learning is adopted to model a multi-party game, real-time sensing, prediction and regulation are realized, and the stability and robustness of a labor system are improved.

This invention provides a method, system, device, and medium for discrete modulation of microring resonant peaks, belonging to the field of photonic device modulation technology. The method includes: acquiring the output spectral data of a microring resonator and determining the center frequency and light intensity value of each resonant mode to construct a mode energy distribution vector and generate a mode competition matrix; calculating the effective gain value of each resonant mode and determining a target resonant mode based on a preset target frequency to generate corresponding modulation weight parameters; performing discrete modulation processing on the microring resonator to adjust the center frequency and light intensity value corresponding to the target resonant mode; acquiring the output spectral data after discrete modulation processing and updating the mode energy distribution vector and the mode competition matrix, performing iterative modulation until a preset termination condition is met. This invention achieves stable enhancement of the target resonant mode and effective suppression of the influence of multimode competition.

An energy-saving aluminum alloy air quenching rapid cooling system belongs to the technical field of aluminum alloy heat treatment, and comprises a flue gas waste heat recovery module for collecting waste flue gas, the flue gas waste heat recovery module provides heat for a refrigeration module 6, and the refrigeration module 6 provides cold for an air quenching module to realize air quenching of workpieces. The flue gas waste heat recovery module comprises a heat exchanger 8 connected with a waste flue gas collection pipeline, and waste flue gas provides heat for the refrigeration module 6 in the heat exchanger 8. The waste heat of the waste smoke generated in the industrial production process is fully utilized to drive the refrigerating system, dependence on traditional energy is greatly reduced, direct emission of high-temperature smoke is reduced through effective recovery and energy utilization of the waste smoke, pollution load to the environment is reduced, and clean production is achieved.

The invention discloses a solid-waste-based artificial functional aggregate and a preparation method thereof, the solid-waste-based artificial functional aggregate comprises an inner core and a shell, and the inner core comprises argillaceous solid waste, clay mineral, a calcium additive, cellulose ether and a regulator; the conditioning agent comprises perfluoropolyether alcohol and polysilazane. The modifier is matched with the cellulose ether, so that damage, regulation and control of the cellulose ether to a water film on the surface of matrix particles can be effectively stabilized, specific hydrophobic groups play a role in reducing the water absorption rate, meanwhile, the modifier can adhere to and fix all components in a system, and the modifier is combined with a hydration product to improve the compactness of the system and play a reinforcing role, so that the ceramsite with high strength and low water absorption rate is obtained.

This application relates to the field of soil improvement technology and provides a slow-release microsphere soil conditioner. The slow-release microsphere soil conditioner comprises a core layer, a shell layer, and an outer layer from the inside out. The core layer includes a calcium source, active components, nutrient components, and fillers. The shell layer covers at least a portion of the surface of the core layer and includes anionic polysaccharides, cationic polymers, and metal-polyphenol coordination compounds. The outer layer covers at least a portion of the surface of the shell layer and includes mineral carbon-based functional components and binding components. This application, through the structure of the core layer, shell layer, and outer layer, and a preparation method matching this structure, enables the different components to exhibit differences in spatial distribution and action time, thereby forming a continuous action pathway of preferential interface conditioning in the outer layer, slow-release regulation in the shell layer, and continuous repair and supply in the core layer.

The invention discloses a ruthenium oxide nano material doped with two or more than two p-region metals and / or transition metals. The molecular formula of the ruthenium oxide nano material is one of the following types: type I: two or more than two p-region metal doped ruthenium oxide nano materials P < 1 > x < 1 > P < 2 > x < 2 >... P < n > x < n > Ru < 1-x-x < 2 >...-x < n > O < 2 >; or the type II is as follows: two or more than two transition metal doped ruthenium oxide nano materials T < 1 > y < 1 > T < 2 > y < 2 >... T < n > y < n > Ru < 1-y < 1-y < 2 >...-y < n > O < 2 >; or a type 3: a ruthenium oxide nanomaterial P < 1 > x < 1 > P < 2 > x < 2 >... P < n > x < n > T < 1 > y < 1 > T < 2 > y < 2 >... T < n > y < n > Ru < 1-x-x-x-2 >...-x < n >-y < 1-y > 2...-y < n > O < 2 > co-doped with the p-region metal (P) and the transition metal (T); wherein P < 1 > x < 1 >, P < 2 > x < 2 >,..., P < n > x < n > are p-region metal, and the p-region metal is selected from one or more of gallium, indium, germanium, tin, lead, antimony and bismuth; t1y1, T2y2,..., Tnyn are transition metals, and the transition metals are selected from one or more of titanium, zirconium, hafnium, cadmium, vanadium, niobium, tantalum, chromium, molybdenum, tungsten, manganese, rhenium, iron, cobalt, nickel, copper, zinc, palladium, osmium, cerium and praseodymium. The invention also discloses a preparation method of the nano material and application of the nano material in an electrode material.

The invention relates to the technical field of polyolefin cocatalysts, and particularly provides an oscillating micro-reaction system and a method for preparing alkylaluminoxane by using the oscillating micro-reaction system. The system comprises a water phase storage tank, an aluminum alkyl solution storage tank, a tubular microreactor, an oscillation device and a reaction kettle, the tubular microreactor comprises at least one group of spiral tubes with smooth inner walls; outlets of the water phase storage tank and the aluminum alkyl solution storage tank are respectively communicated with an inlet of the spiral pipe, and an outlet of the spiral pipe is communicated with an inlet of the reaction kettle; the oscillation device is arranged on the tubular microreactor, and the water phase storage tank has an emulsification function. On the basis of simple structure and low operation and maintenance difficulty, the oscillation micro-reaction system provided by the invention not only can realize stable regulation and control on the reaction process, but also can solve the problem of blockage of the micro-reactor, and avoids potential safety hazards such as reaction interruption or sudden pressure rise caused by pipeline blockage.

The invention discloses a cold region aquaculture greenhouse multi-energy collaborative environment regulation and control system, which relates to the technical field of environment regulation and control, and comprises a greenhouse structure, an energy end and an environment regulation and control end, the greenhouse structurally comprises an inner-layer framework, an outer-layer framework, a double-layer covering film, stand columns in the greenhouse, supporting rods, snow vibrators arranged on the outer-layer framework, unpowered air caps and photovoltaic panels arranged on the greenhouse roof, a greenhouse north wall, a low south wall and photovoltaic panels on the outer vertical face of the south side of the greenhouse. The energy end comprises a solar heat collection module, a well water module, a water source heat pump module, an energy storage water tank, a tunnel air module, a breeding pool coil pipe loop, a greenhouse space loop and a solar photoelectric module. The environment regulation and control end comprises a ventilation module and a control module. Through cooperative utilization of multiple energy forms such as solar heat collection, well water energy storage, a water source heat pump, tunnel fresh air and photovoltaic power generation, dependence on traditional energy is greatly reduced, and the operation energy consumption of the system is reduced by 30% or above.

The invention discloses a light color regulation and control method for a stage, and relates to the technical field of light regulation and control. The light color regulation and control method for the stage comprises the following steps that S1, a light device is installed at a target position; s2, a proper polygon prism is installed on a light path of the light device; s3, controlling the far and near motion state of the polygon prism, and adjusting the color range of the light to change; s4, the deflection motion state of the polygon prism is controlled, and color range changes are further generated; and S5, the action speed and the stop position of the polygon prism are controlled, and stage lighting color multi-form change regulation and control of the lighting device at the target position are achieved. According to the light color regulation and control method for the stage, color regulation and control are flexible and changeable, meanwhile, the light device is compact in structure, easy to install and low in machining and manufacturing cost, accurate control over light color changes is achieved, and the method is suitable for being used in low-cost and small-space stage drama and music halls.

The application discloses a kind of refrigeration air conditioner ammonia fluorine combined system and use method, belong to refrigeration air conditioning technical field, including ammonia refrigeration unit one, ammonia refrigeration unit two, circulating bucket one, circulating bucket two, high-pressure liquid accumulator, plate heat exchanger, workshop air conditioner;Ammonia refrigeration unit one suction end and circulating bucket one are communicated, the ammonia refrigeration unit two suction end and the connecting end between ammonia refrigeration unit one and circulating bucket one are communicated, the liquid supply end of circulating bucket one and the liquid inlet end of plate heat exchanger are communicated, back gas end and plate heat exchanger back gas end are communicated, the liquid supply end of circulating bucket two and the liquid inlet end of circulating bucket one are communicated, the liquid supply end of high-pressure liquid accumulator and the connecting end between circulating bucket two and circulating bucket one are communicated, closed circulation pipeline is formed between plate heat exchanger and workshop air conditioner.Can make workshop refrigeration cooling effect promotion, temperature stability reaches standard, energy consumption reduces;System operation safety, avoid ammonia liquid to the harm of personnel.

The invention relates to the field of cloth dyeing machine equipment, in particular to a cloth dyeing machine with a rapid level dyeing function, which comprises a dye box body for supporting, a feeding guide groove formed in the inner end surface of the dye box body and close to the top, and a feeding guide pipe arranged on one side of the side end surface of the dye box body, a discharging guide pipe is arranged on the other side of the side end face of the dye box body. During dyeing, four groups of dye high-pressure pumps can quickly adsorb and compress dye, and meanwhile, two groups of double-shaft motors can drive high-pressure nozzles to rotate at a high speed through a third synchronous belt wheel and a third synchronous belt, so that the dye high-pressure pumps can guide high-pressure dye into the two groups of opposite high-pressure nozzles; the two groups of high-pressure spray heads rotating at high speed can spray high-pressure dye to the outer part of the cloth oppositely and stably, so that the stability and the efficiency of dyeing the cloth are improved.

The utility model relates to the technical field of magnetic suspension fans, in particular to a magnetic suspension fan regulation and control assembly. According to the technical scheme, the magnetic suspension fan comprises a shell, a rotating shaft, a magnetic suspension fan body, a transmission shaft and a mounting ring, the magnetic suspension fan body is arranged in the shell, an output shaft is arranged at one end of the magnetic suspension fan body, the mounting ring is arranged in the shell, the transmission shaft is arranged in the mounting ring, and driven gears are arranged at the two ends of the transmission shaft; an output gear is arranged on the outer wall of the output shaft, a gear ring is arranged on the inner wall of the mounting ring, a rotating shaft is arranged on one side of the mounting ring, a grid plate is arranged at an opening in the shell, an intercepting net is arranged on one side of the grid plate, a rotating plate is arranged at one end of the rotating shaft, and a brush is arranged at one end of the rotating plate. Through the linkage device, the output shaft serves as driving force, the speed reduction effect is achieved, the brush materials at all positions of the intercepting net are driven to rotate to clean the intercepting net, the intercepting net assembly is automatically regulated and controlled, and the air inflow is guaranteed.

The utility model discloses a high-strength mould pressing type cable bridge which comprises a main board, the top of the main board is provided with a separation assembly, the surface of the main board is provided with an installation mechanism, the installation mechanism comprises an installation assembly, the installation assembly comprises limiting sliding rails installed on the two sides of the main board, the surfaces of the limiting sliding rails are connected with sliding blocks in a sliding mode, and the sliding blocks are connected with the separation assembly. The utility model relates to the technical field of cable bridges. According to the high-strength mould pressing type cable bridge, by arranging the regulation and control assembly, flexible adjustment of the height of the main board can be achieved, so that the cable bridge can be suitable for different field environments, meanwhile, maintenance operation on a cable in follow-up work is facilitated, supporting can be assisted through a connecting plate, a regulation and control block, a regulation and control rod, a regulation and control box and a supporting rod, and the cable bridge is convenient to use. According to the cable bridge, stress is increased, the strength of the cable bridge is improved, and the cable bridge is more stable in the regulation and control process by arranging the sliding blocks and the limiting sliding rails which are symmetrical.

The invention relates to a rigid-flexible composite nerve conduit capable of controllably delivering anti-inflammatory substances, which comprises a polymer fiber conduit part and a hydrogel part, and the polymer fiber conduit part is a conduit prepared from a double-layer polymer fiber membrane of which the inner layer is unidirectionally ordered and the outer layer is irregularly arranged; and the hydrogel part is a modified biological macromolecular hydrogel containing anti-inflammatory substance nanoparticles. According to the invention, low-modulus hydrogel with an adjustable degradation rate is used as a carrier of drug-loaded nanoparticles and is combined with an electrostatic spinning nanofiber scaffold which is similar to an extracellular matrix structure and has excellent mechanical properties to form an ideal design of the rigid-flexible composite nerve conduit capable of controllably delivering anti-inflammatory substances; due to the existence of the hydrogel, in-situ controllable delivery of the drug-loaded nanoparticles can be realized, the action efficiency of the nanoparticles is improved, the electrostatic spinning nanofiber with an adjustable topological structure can stabilize the form of the hydrogel, and the hydrogel plays a guiding and promoting role in subsequent spinal cord total transection injury repair after being degraded.

This invention belongs to the field of ultraviolet absorber technology, specifically relating to an ultraviolet absorber UV-323 and its preparation method. The preparation method includes the following steps: (1) diazotization reaction, (2) coupling reaction, (3) sulfide dispersion reduction, (4) esterification reaction, and (5) crystallization. The purity of the product of this invention is significantly improved. Through optimized process route and solvent recovery-recrystallization purification, the purity of the product can reach over 99%, and the appearance is a white powder, meeting the quality requirements of high-end application fields. The overall reaction yield of this invention is significantly improved. Through optimization of diazotization temperature control, improvement of coupling solvent system, selective reduction of sulfides, and precise control of esterification conditions, the yield of each step is effectively guaranteed, providing an economical and feasible technical solution for industrial-scale production.