122results about How to "Reduce stability" patented technology

The invention belongs to the technical field of industrial control, and discloses a bottleneck prediction optimization method, device and equipment for a battery positive electrode material production line, and the method comprises the steps: collecting the spatial data and time series data of the production line in real time; synchronizing the spatial data and the time sequence data to a digital twinborn model, wherein the digital twinborn model is pre-constructed based on the production line; converting the spatial data and the time sequence data into spatio-temporal data; inputting the spatio-temporal data into a pre-trained spatio-temporal diagram convolutional network to obtain a prediction result of the bottleneck of the production line; when it is judged that a production line bottleneck exists according to the prediction result, based on the prediction result, an optimization strategy is generated according to a priority rule, the optimization strategy is operated on the digital twin model in a simulation mode, a simulation result is obtained, and if it is judged that the simulation result meets the expectation, the production line is controlled according to the optimization strategy. Efficient and stable operation of a production line can be ensured, and production efficiency and stability are improved.

The invention relates to the field of LED driving controllers, in particular to a control method of a waterproof touch type LED driving controller, which automatically identifies environmental conditions and user preferences through an AI algorithm, dynamically adjusts sensor parameters, realizes self-adaptive configuration, intelligently distinguishes real touch control and false triggering through charge detection, capacitive sensing and weak magnetic field change, and improves the control accuracy of the waterproof touch type LED driving controller. A user operation intention such as light touch, long press and sliding is deeply analyzed in combination with machine learning, after a control strategy is dynamically generated, LED brightness and color temperature are automatically adjusted and a command is executed according to the user intention and environmental parameters, the control strategy is optimized through a reinforcement learning algorithm, meanwhile, a health monitoring function is integrated, a user operation mode and environmental data are analyzed, and the user experience is improved. The health state of the equipment is intelligently judged, potential faults are warned in advance, and stable operation of the equipment and user experience are ensured.

The invention relates to the technical field of temperature early warning management, in particular to an electrolytic bath temperature central monitoring and early warning system. The system comprises an in-tank temperature frequency domain analysis module, an in-tank temperature and energy consumption influence analysis module, an in-tank electrolytic strength abnormity response adjustment module, an in-tank temperature over-low abnormity early warning adjustment module and an in-tank iterative execution influence analysis module. Temperature sensors are arranged at key positions in an electrolytic cell to monitor temperature signal distribution in the cell in real time and carry out frequency domain analysis, and meanwhile, corresponding current and voltage are obtained, electrolyte energy consumption analysis and time sequence influence analysis are carried out, and a time sequence correlation influence degree is obtained; and if the conditions are gradually increased and the temperature fluctuation is increased, designing and implementing an energy consumption abnormity response measure, if the conditions are gradually reduced and the temperature fluctuation is reduced, designing and implementing a temperature abnormity response measure, and if the conditions are judged to be other conditions, continuing to iteratively execute the time sequence influence analysis. The stability and quality of the electrolysis process can be guaranteed.

The invention relates to the technical field of video data transmission, in particular to a multi-screen display method and system for a video picture, and the method comprises the steps: obtaining a video frame image to be displayed in each screen and bandwidth data corresponding to each screen during transmission, determining a motion saliency value of each region in the video frame image, obtaining a video coding quality coefficient of each region in the video frame image in combination with the texture distribution condition in the region, calculating a jump sudden reduction coefficient of each bandwidth data, and obtaining a picture compression degree value of each screen when each video frame image is displayed; and based on the picture compression degree value, optimizing a compression coding parameter of each video frame image in each screen. According to the invention, the multi-screen display stability of the video picture can be improved.

The invention relates to the technical field of welding, and discloses unit frame welding equipment for automobile generator machining, which comprises a circular tube support frame, a support beam is fixedly connected to the outer surface of the top of the circular tube support frame, and a support plate is fixedly connected to the outer surface of the bottom of the circular tube support frame. An adjusting limiting mechanism is arranged on the outer surface of the round pipe supporting frame, a follow-up adjusting mechanism and an auxiliary supporting mechanism are fixedly connected to the outer surface of the adjusting limiting mechanism, the adjusting limiting mechanism comprises a first motor, and the output end of the first motor is fixedly connected with a bottom plate. A limiting assembly is clamped in the bottom plate by forming a sliding groove, so that frames with different planes and round pipe sizes can be adapted to be welded, the auxiliary time is shortened, and the welding continuity and efficiency are improved; and the unit frame can be rotated, operation of welding personnel is greatly facilitated, the labor intensity of the personnel is reduced, and the welding quality stability and the production efficiency are improved.

The invention discloses an unmanned aerial vehicle three-dimensional flight path planning method based on an LBDBO algorithm, and relates to the technical field of unmanned aerial vehicle three-dimensional flight path planning. According to the technical scheme, an unmanned aerial vehicle flight environment is established; establishing a fitness function; an improved LBDBO algorithm is adopted to carry out unmanned aerial vehicle global path planning; and cubic spline interpolation is adopted to obtain a smooth path curve. The method has the beneficial effects that uniformly distributed populations are obtained through Logistic-Tent chaotic mapping initialization, so that the algorithm has better global search capability; variation disturbance is performed on individuals by using a strategy combining Levy flight and Brownian motion, so that a local optimal solution of an algorithm is avoided, and global search and local development capabilities are balanced; and finally, a smooth and stable track is generated through a cubic B-spline curve fitting path. By improving algorithm initialization, variation strategy, path fitting and other aspects, the quality and efficiency of unmanned aerial vehicle flight path planning are effectively improved.

The invention discloses a cross-subject cognitive load electroencephalogram signal data enhancement method based on a generative adversarial network. Source domain data and target domain calibration data are input into the SIE-GAN data enhancement method. According to the method, an encoder module is added and used for extracting features of original cognitive load electroencephalogram signals. Meanwhile, according to the data enhancement method, the setting that random noise serves as input in a traditional GAN method is abandoned, source domain data and target domain calibration data serve as input, and due to the fact that the source domain data and the target domain calibration data can provide more contextual information, the model can better adapt to the difference between different subjects, and the accuracy of data enhancement is improved. Therefore, the generalization ability of the model across subjects is improved. Verification is carried out on a cognitive load electroencephalogram signal self-acquisition data set through a plurality of deep learning models, and the result shows that the classification accuracy of cross-subject cognitive load recognition is effectively improved.

The invention relates to a flexible vibration self-adaption wind turbine blade which comprises a blade body, the rear edge of the blade body is flexibly connected with a flap through an inflatable expansion body, and inflatable cavities are formed in the positions, on the two sides of a chord line, of the expansion body. The chambers located on the two sides of the chord line swing along with the flap to change the compression degree so as to adjust the counter-acting force of the expansion body on the flap in a self-adaptive mode, and the flap angle between the blade body and the flap tends to be stable. The device is simple and compact in structure, light in self weight, high in strength, foldable and rapid to mount; when the blade works and the wind power is large, the flexible structure is affected by the wind power and can be bent upwards, and the stability of the whole blade is guaranteed. When the wind power is reduced, the flexible structure is affected by the pressure difference of the two air chambers and can be bent downwards, the operation efficiency of the blade at the low wind speed can be improved, and the effects of increasing efficiency and expanding stability are achieved.

The utility model discloses a mechanical part packaging device which comprises a base, a conveying device is arranged on the top of the left side of the base, connecting rods are fixedly connected to the two sides of the top of the base, and guide plates are fixedly connected to the inner sides of the connecting rods and located on the top of the base. Through the arrangement of the spiral blade, after being conveyed to the inner side of the guide plate by the conveying device, spare and accessory parts slide into the cylinder through the side guide plate and the guide roller and slide to the surface of the spiral blade, meanwhile, the motor is started to enable the rotating rod to rotate, and the rotating rod rotates to drive the spiral blade to rotate; according to the part packaging device, the spiral blades rotate to convey parts located at the top to the bottom and fall into a packaging box, conveying is gentle, the fall is greatly reduced, the impact strength of the parts is greatly reduced, and therefore serious scratches and collisions are avoided, the shipment quality of the parts is improved, a user can use the part packaging device conveniently, and the practicability of the packaging device is improved.

The automatic compensating and avoiding device of the construction hoist comprises a mounting bracket, a hoist body is arranged on the mounting bracket, and the hoist body is connected with the mounting bracket in a matched mode; a traction device is arranged on the mounting bracket and is fixedly connected with the elevator body; a plurality of wind direction and wind speed detection sensors are arranged outside the mounting bracket; the elevator body is provided with a data analysis processor which is electrically connected with the wind direction detection sensor and is used for analyzing and processing detection data; a driving controller is arranged on one side of the data analysis processor, the driving controller is electrically connected with the data analysis processor, the driving controller is electrically connected with the traction device and the anti-falling safety device, and whether an output result analyzed by the data analysis processor belongs to a non-Gaussian turbulence excitation state or not is judged through the controller. And if yes, the operation state of the construction hoist is adjusted through the traction device and the anti-falling safety device. The invention aims to solve the problem of safe operation of the construction hoist during buffeting under the excitation of canyon wind non-Gaussian turbulent flow.

The invention discloses an electric pull rod assembling structure which comprises an electric rod body and an assembling assembly arranged behind the electric rod body, and the electric rod body comprises a multi-section telescopic rod body, a power box body arranged below the multi-section telescopic rod body and a pull rod handrail arranged on the top of the multi-section telescopic rod body. The assembling clamping base is arranged at the bottom of the multi-section telescopic rod body, the power wheel body is arranged below the assembling clamping base and driven by the power box body, an assembling clamping head matched with the assembling clamping base is arranged on the front portion of the assembling assembly, and a driven wheel body is arranged on the rear portion of the assembling assembly. According to the electric pull rod assembling structure, through the technical means of electric stretching, automatic assembling and power driving, the defects of a traditional manual pull rod in the aspects of operation convenience, assembling and disassembling efficiency, stability and power transmission are overcome, high practicability and innovativeness are achieved, and the electric pull rod assembling structure can be matched with various assembling assemblies to form different electric vehicle structures.

The utility model discloses an environment-friendly flame treatment machine, and relates to the technical field of workpiece surface treatment. The device comprises a flame spraying pipe, through grooves are symmetrically formed in the circumferential side of a flame spraying head communicated with the end of the flame spraying pipe, a circular plate is connected to the side, away from the flame spraying pipe, of the interior of the flame spraying head, a heat insulation sleeve is connected to the circumferential side of the flame spraying pipe in a sleeved mode, and fire adjusting assemblies symmetrically arranged on the circumferential side of the flame spraying head comprise fire baffles; the fireproof plate is inserted into the through groove and abuts against the side wall of the circular plate, and the end of a hydraulic rod connected with the side wall of the fireproof plate is connected with a hydraulic cylinder. The heat dissipation assembly arranged on the lower portion of the peripheral side of the heat insulation sleeve comprises a heat conduction plate. The environment-friendly flame processor is provided with the fire adjusting assembly, the number of the fire through holes blocked by the fire blocking plate can be conveniently adjusted, flame gathering or dispersing adjustment is achieved, flame extinguishing is avoided, the heat dissipation assembly is arranged, the heat conduction plate and the heat dissipation fins can be conveniently and rapidly disassembled and assembled, and the downtime of the environment-friendly flame processor when the heat dissipation assembly is disassembled and assembled is shortened.

The invention belongs to the technical field of medicines, and particularly relates to a linarin targeted slow-release nano drug-loading system as well as a preparation method and application thereof. A polylactic acid-polyglycolic acid copolymer is used as a matrix, polyvinyl alcohol is used as a cross-linking agent, and coated drug-loaded microspheres are formed through cross-linking and grafting of the matrix and the cross-linking agent; and then chitosan is used as a protective agent, chitosan and the coated drug-loaded microspheres are crosslinked and grafted to form double-coated composite drug-loaded microspheres, the chitosan in the composite drug-loaded microspheres is used as a shell, the coated drug-loaded microspheres are used as a core, and the linarin targeted slow-release nano drug-loaded system is obtained. Through the double-target design, the targeting property to cornea and lacrimal gland is enhanced, the treatment efficiency of the medicine is improved, stable release and continuous release of linarin are realized, and the problem of unstable release of the medicine is solved; in addition, the targeted slow-release nano drug-loading system is combined with the anti-inflammatory activity and the mitochondrial protection function of linarin, so that the side effects on eyes are reduced, and the safety is improved.

This invention discloses a pre-positioned steel support system suitable for small, ultra-deep foundation pits, comprising several lattice columns, several connecting devices, pre-positioned steel supports, several steel strands, several through-hole jacks, several servo cylinders, and a hydraulic system. The pre-positioned steel supports include a steel waler and several corner horizontal braces set at the four corners of the steel waler. Several servo cylinders are spaced along the circumference of the steel waler on its outer surface. The servo cylinders extend and retract under the action of the hydraulic system to achieve active deformation control of the diaphragm wall. Several through-hole jacks, under the action of the hydraulic system, simultaneously raise and lower the pre-positioned steel supports by synchronously extending and retracting the corresponding steel strands. This invention enables a construction method of pre-positioning concrete or steel supports for simultaneous excavation, lowering, and support, effectively shortening the construction period and reducing the time without support during over-excavation. It has advantages such as high mechanization, strong construction safety, and high turnover rate.

The present application relates to the technical field of biological materials, in particular to a light-responsive drug gel carrier and a preparation method thereof, in order to improve the controlled release function of the hydrogel material, the methyl methacrylate nitrobenzene compound containing nitrobenzene structure, hydantoin structure and propylene structure is prepared first, under the action of a photoinitiator, the double bond is crosslinked with methyl methacrylate and ethylene glycol methacrylate to form a hydrophilic gel network, so that the drug gel carrier is obtained; wherein the nitrobenzene structure has photosensitivity, and the crosslinking structure will be broken under ultraviolet irradiation, thereby reducing the stability of the gel material, destroying the rearrangement of the gel micelle structure, and realizing the release of the loaded drug; and the hydantoin structure introduced in the methyl methacrylate nitrobenzene compound also has good antibacterial performance, which can effectively avoid wound infection and improve wound recovery.

The invention provides a needle cylinder support changing assembly line which is used for changing a needle cylinder mounted in a first-size tray into a second-size tray and comprises a base, a discharging module, a conveying assembly, a feeding module, a conveying device and a lifting device. The unloading module is connected with the base; the conveying assembly is installed on the base and connected with the discharging module. The feeding module is attached to the conveying assembly and installed on the base. The conveying device is connected with the base, and a height difference exists between the conveying device and the base; the lifting device is mounted on the conveying device; the discharging module can move the needle cylinders in the tray of the first size to the conveying assembly. The conveying device can convey a second size tray; the lifting device can lift or lower the second size tray; the feeding module can place the needle cylinders in the conveying assembly on the second size tray. The technical problems that time and labor are wasted in an existing manual support changing mode, the needle cylinders are prone to being inconsistent in placing direction, and the production efficiency is seriously affected are solved.

The invention provides a flexible heat pipe based on a bionic directional liquid conveying structure and a manufacturing process, relates to the field of flexible heat pipes, and aims to solve the problem that the heat dissipation efficiency of a current flexible heat pipe is difficult to meet the requirement. A liquid suction channel and a protruding column are formed on a flexible base body of the flexible heat pipe, and the protruding column is of a bionic structure; the capillary pressure of the working medium pumped by the flexible substrate serving as the wick is improved, the gas-liquid circulation in the flexible heat pipe is effectively improved, and the heat dissipation effect of a local area is enhanced, so that the heat dissipation capability and the environmental stability of the flexible heat pipe are improved, and the service life of electronic equipment is prolonged.

The present invention discloses a unidirectional stretch geogrid and a manufacturing device thereof, and belongs to the technical field of plastic geogrids. The unidirectional stretch geogrid comprises transverse grid bars and longitudinal grid bars, which cross each other to form a number of regularly arranged rectangular meshes, with a mesh width of 20-50 mm and a mesh length of 200-500 mm; the thickness of the transverse grid bars is 3-20 mm. The present invention is applied to the field of soil reinforcement in engineering construction, and solves the problems that the existing geogrid is applied to the reinforcement of large-size soil in a poor environment, and has a small pull-out force and poor reinforcement performance, and proposes a technical method for a geogrid product and a manufacturing device thereof which is suitable for the reinforcement of large-size soil, has high pull-out resistance, and has excellent reinforcement performance.

The invention discloses an electrochemical method for loading adhesive macromolecules on the surface of an electrode and application, rapid and patterned loading of an adhesive layer can be realized by sequentially carrying out cyclic voltammetry and potentiostatic method, and the method has the characteristics of flexibility, simplicity and convenience in operation, wide application range and repeatability. According to the flexible array electrode modified by the electrochemical method provided by the invention, an adhesion layer is only obtained at a conductive part, so that the electrode has excellent adhesion performance and is more attached to the skin of a human body, and the stability of a skin-electrode interface is enhanced; when the electrode is attached to the skin for impedance testing, the skin interface impedance is lower than that of a commercial gel electrode, the monitored electrophysiological signals are stable and accurate, and meanwhile, short circuit and signal crosstalk can be effectively prevented due to the characteristic of the patterned load. The electrochemical method provided by the invention is used as a modification technology, is universal, simple and convenient for the electrophysiological sensor, and also has important significance for reducing the cost of wearable health monitoring equipment and improving the performance of the wearable health monitoring equipment.

The utility model discloses a double-flow transmission mechanism with randomly adjustable turning radius, which comprises two groups of differential transmission components which are symmetrically arranged, and each differential transmission component consists of a shell structure and a gear mechanism. In addition, the device further comprises a driving motor A, a driving motor B and a split-flow transmission mechanism, the driving motor A is in power connection with the shell mechanism, the driving motor B is connected with the split-flow transmission mechanism, and the split-flow transmission mechanism is connected with the two gear mechanisms. The shunting transmission mechanism is composed of a spline shaft, a spline sleeve, a locking head, a locking groove, a supporting spring and an electric telescopic cylinder. The spline shaft is connected with the driving motor B. The locking head is in sliding fit with the spline sleeve, the supporting spring stabilizes the position of the locking head, and the electric telescopic cylinder is used for adjusting the position of the spline sleeve. By means of the mechanism, the crawler can accurately adjust the turning radius according to actual requirements, the problems that in the prior art, the turning radius cannot be adjusted, and steering is inaccurate are solved, and maneuverability, flexibility and stability under complex working conditions are remarkably improved.

The invention belongs to the technical field of fuel additives, and particularly relates to a preparation method of micro-quantum core mother liquor for an internal combustion engine. S1, raw material pretreatment and solvent dehydration; s2, preparation of a combustion and calorific value enhancement functional mother solution A; s3, preparation of a system protection function mother solution B; s4, preparing a mother solution C with stable operation and lubricating functions; and S5, compounding, degassing and finely filtering the three functional mother liquor. An eight-element synergistic system is constructed, and the micro-quantum core mother liquor for the internal combustion engine is prepared by adopting a three-module step-by-step preparation process; after methanol fuel is added, the combustion efficiency, power output and cold start performance can be synergistically improved, meanwhile, electrochemical corrosion, sealing element swelling and part abrasion are inhibited, and it is guaranteed that the fuel is stably stored for a long time; the process avoids the compatibility problem of multi-additive mixing, and solves multiple contradictions of energy improvement, material protection and fuel stability.

The invention discloses a mining explosion-proof type steam vulcanizing machine, and belongs to the technical field of steam vulcanizing machines, the mining explosion-proof type steam vulcanizing machine comprises a top plate and a clamping mechanism arranged at the bottom of the top plate, the clamping mechanism comprises a working assembly and a clamping assembly, the working assembly comprises a first motor, and the first motor is arranged outside the top plate; a supporting plate is fixedly connected to one side of the first motor, the first motor fixed to the outer wall of the supporting plate runs, so that the first motor drives the threaded shaft to rotate, the spirally-connected clamping plate is driven to move, the clamping plate slides in a sliding groove formed in the supporting plate synchronously, materials are clamped, and the stability during clamping is improved; and a second motor fixed to the outer wall of the fixing plate works, the second motor drives a rotating shaft and a gear to rotate, a rack column connected in a meshed mode moves, the rack column drives a lifting plate to break away from a groove of a supporting plate, the adhered and pressurized material can be extruded out, and workers can carry out the material conveniently.

This invention discloses a method, system, medium, and product for detecting terminal crimping imaging quality, relating to the field of imaging quality detection. In this method, deep learning feature extraction is combined with image processing technology. Through the synergistic effect of a dynamic threshold adjustment strategy library and an edge detection morphological processing rule library, a complete adaptive detection process is formed. This invention can automatically adjust detection parameters based on real-time image brightness conditions and terminal specification information, ensuring stable detection accuracy under different lighting environments and diverse terminal types. This reduces the problems of unstable detection accuracy and poor versatility caused by fixed parameters in existing technologies, improving the reliability and practicality of terminal crimping quality detection.

The present invention discloses a preparation method of granulated material for friction material and its application in copper-free NAO type brake pads for high-end agricultural machinery and equipment, belonging to the technical field of agricultural machinery and equipment accessories. The copper-free NAO type brake pads for high-end agricultural machinery and equipment have the following components in mass fraction: 80-95% of granulated material for friction material, 0-10% of nitrile rubber modified phenolic resin and 2-15% of non-straw fiber; wherein the non-straw fiber includes one of rock wool fiber, sepiolite fiber or composite mineral fiber; the preparation method comprises the following steps: preparation of granulated material for friction material; mixing and mold filling in the process of preparing brake pads, hot pressing and heat treatment, surface ablation and post-processing molding. The preparation of granulated material of friction material in the present invention can enhance the fluidity of raw materials of brake pads, reduce dust pollution and fiber segregation in the process of preparing brake pads, reduce the density of brake pads and stabilize the friction factor, improve the wear resistance and reliability of brake pads, and reduce the amount of brake dust.

The utility model relates to the technical field of bus station connecting screens, in particular to a bus station connecting screen power supply control system and communication mainboard, which comprises an RS232 circuit, an RS485 circuit and an LED circuit, the RS232 circuit, the RS485 circuit and the LED circuit are mutually connected in parallel and are electrically connected with a DC5V power supply circuit, the DC5V power supply circuit is electrically connected with an external power supply P3 through a 24V power supply circuit, and the external power supply P3 is electrically connected with the communication mainboard through a 24V power supply circuit. Meanwhile, the RS232 circuit is electrically connected with a port P2, and the RS485 circuit is electrically connected with a port P1. The bus station screen connection power supply control system converts an external power supply through the DC5V power supply circuit and the 24V power supply circuit, and supplies power to subsequent functional modules, thereby reducing unstable or short circuit conditions in the operation process through providing stable power supply voltage, and improving the safety of the bus station screen connection power supply control system. Therefore, the situation that most of the elements are damaged due to the fact that original complex connecting elements are not beneficial to circuit control can be avoided.

The utility model discloses a constant temperature constant pressure water supply system, including two sets of water supply modules and a set of water mixing module, the two sets of water supply modules are both connected with the water mixing module, each water supply module includes a water storage tank, a first water pump, a buffer water tank, a water supply pipe and a constant pressure water supply mechanism, the first water pump is installed at the top of the buffer water tank, the water inlet end of the first water pump is connected with the bottom of the water storage tank through a pipeline; according to the constant-temperature and constant-pressure water supply system, cold water and hot water are connected through the two water supply modules correspondingly, the cold water and the hot water treated by the water supply modules can be stably input into the water mixing module in a relatively constant-pressure mode, the water mixing module can fully mix the cold water and the hot water and then discharge the mixed water, and therefore the temperature of outlet water treated by the water mixing module is relatively constant; according to the system, the problem that the water supply pressure and temperature of the system are unstable due to water inlet pressure fluctuation and unbalanced water mixing can be effectively solved, the water supply pressure and temperature of water treated by the system are more stable, and the use requirements of users are met.

The utility model discloses a support assisting instrument, and relates to the technical field of support tools. The device comprises n-shaped plates which are symmetrically arranged, supporting frames are fixed to the two n-shaped plates, universal wheels are fixed to the bottoms of the n-shaped plates, a connecting rod is fixed between the two supporting frames, a supporting frame is fixed to the tops of the two supporting frames, and a first supporting rod and a second supporting rod are sequentially fixed to the supporting frame from top to bottom. The supporting frame and the supporting frame are provided with a protection mechanism for protecting the outside of the old. By arranging the n-shaped plate, the supporting frame and the supporting frame, stable supporting can be provided, it is ensured that the auxiliary instrument can be firmly fixed to the ground in the using process, shaking and unstable factors are reduced, and reliable supporting is provided for a patient; by arranging the protection mechanism, the old people can be effectively protected from external collision or falling down in the using process, safety is improved, and the body health of the old people is protected.

The invention belongs to the technical field of mobile communication, and particularly relates to a mobile communication terminal network switching method and system, and the method comprises the steps: collecting multi-dimensional network parameters and terminal state parameters; judging the working mode of the terminal and dynamically distributing parameter weights; pre-judging a source network state through a machine learning model, and screening a target network; establishing a pre-connection channel, and executing differentiated seamless switching; generating a feedback result, inhibiting ping-pong switching and optimizing the model; and multi-terminal collaborative switching is supported. The system comprises functional modules on a terminal side and an optional cloud auxiliary module. Core logic of multi-dimensional decision making, active pre-judgment and seamless switching language feedback optimization is adopted, switching precision, real-time performance and low power consumption are achieved, switching delay is smaller than or equal to 50 ms, the ping-pong switching occurrence rate is reduced by more than 80%, hardware does not need to be newly added, and the method is suitable for various mobile communication terminals and application scenes.

The utility model relates to the technical field of pressed powder making, in particular to a pressed powder high-flatness pressing forming device which comprises a base body, a supporting column is fixedly connected to the lower surface of the base body, a groove body is formed in the top face of the base body, and first side plates are fixedly connected to the front end and the rear end of the base body. The upper surface of the first side plate is fixedly connected with a first hydraulic rod; and the first top plate is installed on the top face of the first hydraulic rod, a top base is arranged on the back face of the first top plate, a pressing block is arranged at the lower end of the top base, and limiting blocks are arranged on the left side and the right side of the pressing block correspondingly. According to the pressing device, the compression spring starts to be compressed after the abutting plate abuts against the pressing block, the pressure of the pressing block can be buffered to a certain degree, therefore, the pressure of the pressing block is uniform during pressing, pressed powder can be evenly pressed, the overall operation effect is good, and meanwhile the compression displacement of the compression spring can be limited through the telescopic rod.

The invention discloses a training method of a wafer parameter prediction model and a prediction method of wafer parameters. The method comprises the following steps: acquiring a plurality of photoetching space images; performing gridding processing on the plurality of photoetching space images to obtain a plurality of grid space images; performing overall translation on all grids in each grid space image to obtain a translation space image corresponding to each grid space image; and training the wafer parameter prediction model based on the wafer parameter true values corresponding to the plurality of photoetching space images and the plurality of translation space images to obtain a trained wafer parameter prediction model, and constructing the wafer parameter prediction model based on a neural network model. As all grids in each grid space image are integrally translated, and the grid size in the translated space image is the same as the grid size of the corresponding grid space image, the trained wafer parameter prediction model can predict the parameters of the wafer under the condition of not depending on the grid size. And the wafer parameter prediction value corresponding to each photoetching space image can be accurately obtained.