415results 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 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 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 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 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 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 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.

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 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 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.