416results about How to "Flexible adjustment performance" patented technology

The invention provides a layered exchange and control method for real-time monitoring system data by power dispatching. A CIM / XML (common information module) / (extensible markup language) interface, a CIM / E interface and other models of the electric power subsystems are processed and combined to establish a device model of the large power grid, therefore, perfect interaction of various application data including SCADA (supervisory control and data acquisition) real-time data, WAMS (wide area measurement system) data, EMS (enhanced message service) advanced application data and dynamic security analysis warning information can be realized, and power system control commands among the systems can be smoothly transmitted and executed. A data acquisition and exchange function can support multiple communication protocols, multi-application, multi-type and large amounts of data, satisfy the real-time requirements of all transmission environments, and provide comprehensive multi-scale real-time operation information of the power grid for other application analysis systems. A close integration mode is used to realize application integration and each subsystem and application can be monitored and managed, so a uniform access interface and a man-machine interface can be ensured to provide for each application system.

The invention provides a method for dispatching I / O of an asymmetry virtual machine based on multi-core dynamic partitioning, which comprises the following steps: when a system is started, firstly an I / O dispatching initialization module completes the configuration of dispatching parameters and the allocation of a buffer zone; subsequently, when the system runs, an I / O status monitoring and information processing module dynamically collects and processes the runtime parameters of driving Domain and customer Domain, carries out statistics on parameters such as types, time and frequency of happened I / O event, and then sends the statistics result to a dispatching decision module for judgment; and the dispatching decision module makes dispatching decision according to preset conditions, and gives out commands to a multi-core dynamic partitioning module to execute the operation of multi-core dynamic partitioning or recovering, thus changing the core partitioning mode and dispatching status of a processor of the system and leading the using mode of processor resources and the dispatching switching strategy of Domain to better adapt to I / O load requirements of the current system, and achieving the purpose of optimizing I / O performance.

The invention discloses a high-precision load control method based on mirror image droop and virtual inertia control. Controllable loads and energy accumulation in a micro-grid are integrally controlled, load control precision is increased, purposes of the controllable loads are expanded, micro-grid dependence on energy accumulation power and capacity is relieved, energy accumulation configuration is lowered, a 'negative power source' participates in peer-to-peer control of a distributed power source during micro-grid operation, and 'general energy accumulation' participates in micro-grid emergency control under fault conditions such as island converting to grid-connection. By the method, stable micro-grid frequency is achieved, tie line power fluctuation is restrained, and accordingly safe and stable operation capability of the micro-grid is increased.

The multiple picture frames decollating system belongs to the field of video digital image treating technology, and is especially multiple picture frame great screen TV wall decollating display system. The present invention consists of two parts, including multiple picture frame decollator and large screen display equipment. The multiple picture frame decollator consists of a computer with video and audio treating card, operation system and control software, a control monitor and sound box. The large screen display equipment is large screen liquid crystal screen, plasma screen or large screen rear projecting TV with VGA / DVI interface. The present invention may be used in multiple picture frame monitoring in different fields. The present invention may be controlled in different modes.

The invention provides a high-precision and high-integrality time-digital converter based on an FPGA (Field Programmable Gate Array), and an implementation method. The time-digital converter comprises a fine time measuring unit, wherein the fine time measuring unit consists of a time alternate sampling unit, a multi-stage sampling data buffering unit and a snapshot and encoding unit. The invention aims to provide the high-integrality precision time-digital converter based on an FPGA. Innovation points lie in that: a fine time measuring part adopts a technology of a latch snapshot and rapid encoding combined architecture based on phase splitting clock alternate sampling, multi-stage sampling data caching and cached multi-stage sampling data. The high-precision and high-integrality time-digital converter has the characteristics of simple structure, design flexibility, high portability, short measuring dead time, large dynamic range, low cost, flexible interface and the like, and can be applied to the fields of aerospace, space research, communication, biomedicine, earth dynamics, relativity research and the like.

A digital OSD controller based on FPGA consists of character processing module, variable bit map processing module, MCU interface module of micro-controller, synthetic module of OSD image color and feature as well as OSD management module. It is featured as using three different storages to synthesize scan time sequence and signal stream for overlapping them with original image at output end then displaying OSD menu image with variable size, variable character, etc on LCD.

The invention provides an UV / hot-pressing curing type nano-imprint method in which the imprint process is carried out in vacuum environment, the imprint driving force is controllable and steady high pressure gas, and adjustment and matching are carried out by combining the positive-negative pressure. When a bearing substrate and an imprint platform of an imprint template contact an imprint reference surface for imprinting, the imprint process is realized by an automatic leveling mechanism. The two means of the UV exposure curing as well as the heating and quick cooling curing are integrated, that is, the imprint reference surface is a UV-pervious quartz flat plate, and the imprint platform integrates a vacuum absorption sheet and a temperature-control electric heating furnace with a quick water cooling device and the like. The nano-imprint device obtained by the method has the advantages of reasonable and simple structure, simple operation, reliable and stable performance, high-efficiency and cheap preparation process, and high automation degree.

The invention relates to a product recommendation method and device based on big data, computer device and a storage medium, and relates to the field of user portraits. The method comprises the following steps of: obtaining a sample; obtaining user data of a to-be-recommended user, depending on tags and user data, determining a user portrait label for each user, determining a recommended product for the user according to the user portrait label, sending a link of the recommended product to a user terminal, obtaining a product recommendation conversion condition based on the operation of the user on the link of the recommended product, and adjusting the label according to the conversion condition so as to perform product recommendation according to the adjusted label. By adopting the method, the label can be flexibly adjusted and optimized according to the conversion condition, so that the conversion rate of the recommended product is improved when the product is recommended according to the adjusted label.

The invention discloses a semi-physical real-time simulation platform for a wind generating set and belongs to the technical field of clean energy. The simulation platform is mainly composed of an upper computer monitoring interface, a wind generating set simulation system, a controller simulation system, a current transformer controller and a variable pitch system. An upper computer is respectively connected with the wind generating set simulation system and the controller simulation system through Ethernet. The simulation platform can quickly develop and verify a control algorithm, can simulate operation characteristics of a real wind generating set, enables a controller to carry out comprehensive loop test before true machine set test, saves test cost, improves operation safety, can control the output power of a fan, stabilizes power grid fluctuation and provides a basic research platform for optimal operation of a wind power plant.

The invention discloses a reflective antenna array and a beam scanning method. The reflective antenna array comprises a programmable substrate and a metamaterial surface, wherein the metamaterial surface comprises a plurality of active antenna units, and the active antenna unit comprises a metamaterial unit and an active diode connected between the metamaterial units. When the states of the active diodes are arranged differently, 0 and 1 states on the surface of the metamaterial are distributed differently, and further, plane waves are reflected to a needed radiation beam. Corresponding 0 and 1 coding arrangement can be quickly designed, corresponding active diode is quickly controlled through the programmable substrate, and the beam scanning angle and the radiation beam are controlled. In comparison with the traditional structure, a radiation beam with a needed direction angle can be realized without mechanically rotating the antenna structure, the overall size is reduced, and the flexibility is enhanced.

The integrated gas / liquid separator with automatically controlled liquid level consists of mainly regulating hand wheel, sealing screw nut, sealing ring, regulating screw sleeve, outer cylinder, floating cylinder, material feeding pipe, liquid draining valve body, liquid draining valve needle rod and gas exhaust pipe. The integrated design of gas / liquid separation and liquid level control results in simple structure, convenient use and no limitation in use pressure, and is especially gas / liquid phase separation in petrochemical industry.

The invention provides a mask device as well as a system and a method for manufacturing the mask device. The mask device comprises a mask tray and a plurality of mask plates on one side of the mask tray, wherein the mask tray comprises a plurality of support ribs; a plurality of grid openings which are arrayed in matrix are formed among the plurality of support ribs; each mask plate comprises a mask hole array and a plurality of fixed parts outward extending from the mask hole array; the fixed parts are used for connecting the support ribs of the mask tray; the mask hole array of one mask plate corresponds to one grid opening on the mask tray. By adopting the invention, the mask plates and the mask tray are simultaneously improved, and the traditional mask tray is designed into grid shape with support ribs in the middle instead of big openings; the plurality of mask plates respectively correspond to each grid and are respectively unfolded so that micro-distortion caused by large tension can be avoided and the mask plates can be more accurately unfolded to correct positions.

The invention discloses a multi-objective power flow optimization method of a VSC-HVDC (voltage source converter-high voltage direct current) containing alternating-current / direct-current system, which is characterized by comprising the following steps: establishing a model, selecting to-be-optimized variables and optimization objectives, and determining constraint conditions; setting an initial variable, and giving a to-be-optimized variable range; under the condition of taking the to-be-optimized variables as population individuals in the optimization process, in a hybrid encoding mode, randomly generating an initial population according to the to-be-optimized variable range; calculating the power flow of the alternating-current / direct-current system by using an alternate iterating algorithm; getting the corresponding optimization objective function value of each individual in the population; carrying out rapid non-dominated sorting on the individuals in the population, calculating a virtual fitness, and through selection, crossing and variation processing, generating sub-populations; retaining excellent individuals in parent individuals by using an elitist strategy; judging whether algorithm termination conditions are satisfied, if so, turning to a step 9), and completing optimization; otherwise, turning to the step 4); completing the optimization process, and outputting results. The method has the advantages of scientificity, strong applicability, good effect, and the like.

The method includes steps: establishing filtration rules, definition base for rule rating, threshold value base (TVB) for garbage mail (GM), and establishing decision and judgment system (DJS) for GM; mail sent from local client end enters into first filtration rule to carry out matching process so as to obtain a rank score, and then the mail is forwarded to DJS for GM to carry out comparison; DJS for GM adds up the rank scores so as to obtain overall rank score (ORS), which is compared with threshold value (TV) for rating GM setup in TVB; if ORS is higher than TV of GM, then the mail is as GM, and if ORS is lower than TV of GM, then the mail is going to next filtration rule to carry out matching process right along repeatedly till to n pieces of filtration rules are matched completely; and if ORS is still lower than TV of GM, then the mail is a normal. The invention prevents mails from error filtering since the invention changes practice that using single rule judges GM directly.

The invention relates to a sample preparation mold for a fractured rock mass model sample. The sample preparation mold comprises a base and an outer frame structure, wherein an inner cavity of the outer frame structure is used for forming the fractured rock mass model sample, and the outer frame structure is positioned on the base. The sample preparation mold further comprises a plug board and a fracture position regulating structure, wherein the plug board is made of a fusible alloy material, the fusible alloy material is formed in a solid state at the normal temperature and can melt after being heated to a melting point temperature; the fracture position regulating structure is positioned in the outer frame structure and is connected with the plug board. The sample preparation mold provided by the invention can conveniently and quickly make the rock mass model sample with a complicated three-dimensional fracture, strictly control the size and the direction of the fracture, simultaneously consider the situation whether the fracture is filled or not filled or not, satisfy the requirements for repeated sample preparation and be combined and assembled according to different sample sizes, so that the practicability of the sample preparation mold is improved.

The invention provides a user terminal and a mobility management method thereof, a base station, and a readable storage medium. The mobility management method comprises the following steps: when attached to a core network, obtaining a mapping relationship between network slices supported by the user terminal and issued by the core network and the cell frequency; determining the network slice withthe highest priority corresponding to the user terminal, comprising: determining the priorities of the network slices in the mapping relationship between the network slices and the cell frequency according to a required service type of the user terminal, and obtaining the network slice with the highest priority; and lingering on the cell frequency corresponding to the network slice with the highest priority. By adoption of the above scheme, the user terminal can linger on a service cell of interest.

The invention relates to the computer field, in particular to a touch screen system. A touch screen erasing gesture recognition system comprises a micro-processor system, a display system and a touch screen system, wherein the display system and the touch screen system are connected with the micro-processor system. Drawing software operates on the micro-processor system, and an operation interface of the drawing software is displayed on the display system. The touch screen system is used for inputting an operation instruction. The drawing software is provided with an erasing instruction. A least one type of touch point combination presented on the touch screen system is regarded as an operating command of the erasing instruction. After the touch point combination is presented on the touch screen system, the micro-processor system starts to execute the erasing instruction and conduct erasing operation. According to the technical scheme of the touch screen erasing gesture recognition system, a traditional mode that the erasing operation is started by clicking a function key is no longer utilized, instead, the erasing operation is started through a touch gesture. Compared with the traditional mode, the operation is smoother, visual, convenient and fast.

The invention provides an amblyopia therapeutic instrument, comprising two parts: an optical mechanical structure system and a control circuit system; the two parts are organically combined with each other so as to form a therapeutic instrument with amblyopia disease treatment function; the control circuit system of the amblyopia therapeutic instrument comprises a keyboard, a keyboard detection circuit, a singlechip system, a speech prompting circuit, a grid, an optical brush, a coiling mechanism, a light source and a light source plate control circuit; the keyboard is used for inputting instructions which are detected by the keyboard detection circuit and transmitted to the singlechip system to be processed; subsequently, the singlechip system is taken as a micro-controller so as to emit control instructions to all control circuits and drive the execution mechanism to work; the optical mechanical structure system of the amblyopia therapeutic instrument of the invention consists of an upper machine cover, a lower case, a guideway component, a pupil adjusting mechanism, an optical brush rotation mechanism, a coiling mechanism and a light source rotation mechanism; the amblyopia therapeutic instrument has the advantages and effects that the treatment methods normally adopted by existing amblyopia therapeutic instruments in the market are integrated into a whole, the structure is optimized, the system performance is more excellent, the operation is more convenient and the man-machine interface is more friendly.

The invention belongs to an equipment manufacturing technology in the field of beach petroleum pollution and remediation, and relates to an experimental device for underground two-dimensional elevation sandiness mud flat petroleum pollution. Various pressure measurement tubes arranged on a pressure measurement raft are connected with sand soil sampling holes; seawater level measurement holes are communicated and connected with the pressure measurement tubes in the pressure measurement raft; a seawater storage tank evacuation tube valve is arranged on one side of the bottom of a seawater storage tank; the upstream tank bottom of a first overflow partition plate arranged in the middle of a seawater level adjustment tank is connected with a water inlet hose; the downstream tank bottom is connected with an overflow tube; a first self-locking gear rack elevator is arranged on the left side face of an elevation steel framework tank body; the upstream tank bottom of a second overflow partition plate arranged in the middle of an underground water level adjustment tank is connected with an overflow region water outlet end vertical shaft; the downstream tank bottom is connected with an underground percolation water outlet overflow tube; a gravimetric method measurement water tank is placed on an electronic platform scale; and the lower end of a wave paddle is fixedly mounted on a bearing fixed bracket on the inner side of a left elevation dismountable door plate. The device is reasonable in structure, simple to operate, easy to manufacture and grasp, and flexible to control and adjust.

The invention discloses a low-code platform approval process configuration system, which comprises a process module and a process engine, and is characterized in that the process module comprises a process definition module, a node definition module, a trigger rule module, an approver setting module, an approval mode module, an operation action module and a field control module; the flow engine isprovided with the following modules for promoting flow execution: 1) a task notification module, 2) a mail reminding module, 3) a data updating module, 4) a form conversion module, 5) a data transfermodule and 6) a transmission interface module. According to the invention, business approval requirements of different management information systems can be met; examination and approval of various different businesses of an enterprise are all concentrated into a unified platform window, the approval path is flexibly adjusted and changed according to the characteristics of a business actual self-defined approval process, supporting condition branches, node parallelism, countersigning, sign-up, unfixed processes and the like, and dynamic configuration and change as required are achieved.

The invention relates to an image processing method and device, electronic equipment and a storage medium. The image processing method comprises the following steps: acquiring a convolution processingresult based on to-be-processed images or an intermediate processing result; acquiring an image segmentation result representing that the images are divided into multiple different areas; and modulating the convolution processing result according to the image segmentation result. According to the embodiment of the invention, differential modulation processing on the different areas of the imagescan be realized.

The invention is a bias power supply device for supersonic-frequency pulsed electron beam welding. The device is composed of a step-down rectifier-filter circuit, a peak bias voltage generating circuit, a base bias voltage generating circuit, a peak pulsed bias voltage switching circuit and a base pulsed bias voltage switching circuit. When a power transistor Q5 of the peak pulsed bias voltage switching circuit is opened and a power transistor Q6 of the base pulsed bias voltage switching circuit is closed, a peak bias voltage Up generated by the peak bias voltage generating circuit causes a peak pulsed bias voltage Upp to act on the gate of an electron gun, thus obtaining a peak pulse beam current Ipp; and when the power transistor Q5 of the peak pulsed bias voltage switching circuit is closed and the power transistor Q6 of the base pulsed bias voltage switching circuit is opened, a base bias voltage Ub generated by the base bias voltage generating circuit causes a base pulsed bias voltage Ubp to act on the gate of the electron gun, thus obtaining a base pulse beam current Ibp. The bias power supply device for supersonic-frequency pulsed electron beam welding provided by the invention is capable of realizing that the pulsed bias voltage frequency is not less than 20 kHz and the frequency of the pulse beam current is greater than or equal to 20 kHz correspondingly.

A dual constant current and self-optimizing control method for intelligent inverter welder features that the external characteristics at different stages can be automatically determined according to welding current setting and electric arc state and the dual or multiple constant current is used according to electric arc state for realizing the self-optimized intelligent control to automatically and quickly make the response to arc variation and welding current setting. Its advantages are good shape of welded seam and less splash.

The invention relates to a tree form simulation method based on a self-adaptive fractal algorithm. The method comprises the following steps of obtaining a tree form image tImage; establishing a tree form model tModel; calculating the length of first-stage branch Ln; building an IFS (iterated function system) fractal matrix Wn; realizing the three-dimensional tree fractal. As the tree form feedback mechanism of IFS fractal is established, the tree form model covers the frequently used tree growth models including a tree height growth model, a crown diameter growth model, a crown height growth model and a crown length rate model in forestry industry, and meanwhile, a crown shape index change model is added. By adopting the models, the parameters of the IFS fractal matrix can be controlled, so the fractal growth is completely applicable to the model curve representing the actual tree growth. The following figure comparison refers to the tree height growth simulation and the crown diameter growth simulation before and after improved simulation by the IFS fractal method. The growth of each stage of branch, growth of crown length rate, change of crown shape indexes, and the like also have similar difference.

The invention relates to a flight plan vertical route programming method and system, and belongs to the technical field of flight management. The method comprises the following steps: carrying out optimal storage on basic flight performance data in each of the flight stage, the climbing stage, the cruise stage, the descending stage and the landing stage of an airplane, published by an airplane developer or a production department in an airborne performance database form; defining and describing the vertical route information in each of the flight stage, the climbing stage, the cruise stage, the descending stage and the landing stage based on the optical storage; and conveniently storing the basic vertical navigation route information in an airborne state, designing a complete military and civilian plan vertical route information structure based on the basic vertical navigation route information in an airborne state, and programming a flow to form a military and civilian flight plan vertical route. The logic relationship among all above information structures is close, no redundancy appears among pieces of information, the information storage amount is small, and the system, can be conveniently stored or unloaded, and can be used for ground or other airborne devices.

The invention relates to a passive suppressing method for downhole noise and echo for sound transmission technology of a drill string, which belongs to the technical field of downhole data transmission in the drilling process and solves the problems that the acoustic signal transmission performance of the drill string is reduced due to low-frequency noise and echo caused by the downhole noise, the discontinuous structure of the drill string and the like in the prior art. Based on the spectral response characteristics of a comb filter of a periodic pipe structure, the method utilizes a sound insulator structure with a periodic groove to realize the passive isolation and suppression of the upstream noise and echo in the drill string at certain frequency band, so that the signal to noise ratio for receiving signals can be improved, the transmission rate is improved, the well logging cycle is shortened, and drilling cost is saved. Moreover, the method has the characteristics of higher low-frequency sound insulation band width and simple structure.

The invention discloses a self-propelled pesticide spraying device for forestry saplings and relates to the technical field of forestry machinery. The self-propelled pesticide spraying device comprises a movable frame, wherein walking wheels are rotationally mounted at the bottom of the movable frame, a spray head communicating with a reagent groove is arranged on a slide bushing, a steering mechanism for driving steering adjustment of the spray head is arranged on the slide bushing, and a stirring mechanism for stirring a pesticide is mounted on the movable frame. The self-propelled pesticidespraying device sprays the pesticide in the reagent groove to saplings through the arranged spray head to realize the disease preventing effect on diseases and pest damage of the saplings; the arranged steering mechanism can drive a lifting mechanism to realize vertical reciprocation of the spray head and spray the pesticide to the saplings in different height positions, and the spray range of the pesticide is greatly enlarged; the arranged steering mechanism can drive the spray head to have angle deflection adjustment, so that the spray range of the spray head for the pesticide is flexibly adjusted; and the arranged stirring mechanism can sufficiently mix the pesticide, and uniform spray of the pesticide is greatly enhanced.

The invention relates to a water heater and a control method thereof. Specifically, the water heater comprises a heat pump heating system and a water storage tank. The invention further provides the control method of the water heater. The control method comprises a work process repeatedly and cyclically executed. The work process comprises the steps that water supply signals indicating that the water heater supplies water outwards one or more times are received; every time the water supply signals are received, the water supply operation of the water heater is started, water stored in the water storage tank is supplied to a water outlet pipeline of the water heater to be supplied outwards, and the amount of water supplied outwards is detected in real time; when the accumulated amount of water supplied outwards in the work process reaches the preset value, environment parameters of the environment where the water heater is located are obtained; the subsequent water supply mode of the water heater in the water supply operation is determined according to the environment parameters; and the running state of the heat pump heating system and / or the water storage tank is adjusted according to control parameters preset in the determined water supply mode, and accordingly various water utilization requirements of users under different conditions are met.

The present invention is shot and sand blasting system and method for cleaning residual carbon electrode from electrolyzing aluminum. The cleaning system includes one shot and sand blasting chamber as sealed space for shot and sand blasting operation for processing the surface of residual carbon electrode from electrolyzing aluminum to eliminate impurity and recover carbon; one piece of shot and sand blasting equipment including one automatic continuous shot and sand blasting device and one automatic shot and sand blasting mechanism with spraying guns; and one shot and sand recovering device. The present invention is favorable to recovering carbon for reuse.

The invention relates to a novel label stripping mechanism, comprising a support regulating mechanism, a driving wheel pressing mechanism and a vertical plate, wherein the vertical plate is arranged on the support regulating mechanism and is provided with a discharging tray, a tensioning wheel, idler wheels, a scrap tray, a stripping mechanism and a pressing device; the support regulating mechanism can regulate front and rear and top and bottom positions of the vertical plate; a coiled paper tape with labels is loaded on the discharging tray, winds the tensioning wheel and the idler wheels sequentially to ensure that the paper tape cannot be tensioned or loosened excessively in the movement process, passes through the stripping mechanism, is pressed by the driving wheel pressing mechanism, and finally is fixed on the scrap tray; the stripping mechanism is provided with a stripping port, a driving shaft of the driving wheel pressing mechanism moves to drive the paper tape to move, the paper tape moves to the stripping port and the labels are stripped from the paper tape, and the driving wheel pressing mechanism drives the scrap tray to collect the paper tape. The novel label stripping mechanism can be suitable for change of labeling positions of same products, thus being widely applied, convenient and high in applicability.