23results about How to "Improve performance quality" patented technology

The invention relates to the technical field of communication, and particularly provides a multi-base-station cooperative sensing networking planning method and device, a medium and a product. The multi-base-station cooperative sensing networking planning method comprises the following steps: constructing a multi-base-station sensing model in a multi-base-station cooperative sensing scene; the multi-base-station sensing model is used for describing the whole process that the signal is transmitted from each base station, reflected by the unmanned aerial vehicle and received by the base station; based on a multi-base-station sensing model, determining a mapping relation between the station spacing and the sensing performance index; and solving the perception performance boundary based on the mapping relation, and determining the target station spacing based on the perception performance boundary. According to the method, the problem of mutual interference between the base stations is solved through model construction, performance analysis and station spacing optimization, and the mutual interference between the base stations can be minimized while network coverage and performance are ensured, so that the sensing performance and communication quality of the whole network are improved.

The invention discloses a tin-zinc-copper powder ultrafine powder batch preparation process, and relates to the technical field of metal powder preparation, and the tin-zinc-copper powder ultrafine powder batch preparation process comprises the following steps: dissolving tin salt, zinc salt and copper salt in deionized water, adding a complexing agent, and uniformly mixing to obtain a mixed metal salt aqueous solution; dissolving a rosin-based polyamine hyperbranched dispersant in an organic solvent to serve as an oil phase; slowly adding a mixed metal salt aqueous solution into the oil phase, and uniformly dispersing to obtain a water-in-oil microemulsion system; dropwise adding a reducing agent solution, and continuously carrying out heat preservation reaction for 0.5-3 hours after dropwise adding is finished, so as to obtain slurry containing alloy particles; and carrying out demulsification treatment, centrifugal separation, repeated washing and drying to obtain the surface-modified tin-zinc-copper superfine powder. Superfining of particles is achieved through confinement growth, synchronous co-deposition of multi-component elements is guaranteed, a homogeneous alloy phase is formed, component segregation is avoided, and a protective layer formed on the surface of the powder in situ endows the material with excellent oxidation resistance and good weld-aid wettability.

The utility model relates to the technical field of Fe-Si-Al soft magnetic powder surface coating, and discloses a surface coating device for Fe-Si-Al soft magnetic powder production, which comprises a coating machine box body, the top of the coating machine box body is provided with a material inlet, the bottom of the coating machine box body is provided with a material outlet, the coating machine box body is internally provided with a stirring assembly, and the stirring assembly is provided with a material outlet. A screening assembly is arranged at the bottom of the coating machine box body, a first supporting frame is fixedly connected to the outer wall of the coating machine box body, the stirring assembly comprises a first rotating column and a plurality of stirring rods, and the two ends of the first rotating column are rotationally connected to the interior of the coating machine box body. According to the soft magnetic powder coating machine, when soft magnetic powder in the coating machine box body is coated, the motor is started to drive the first rotating column, then the first rotating column drives the stirring rod, the stirring rod drives the scraping plate, and then the scraping plate drives the bent plate blade to coat the soft magnetic powder; the problem that the insulation value of a product is affected by uneven mixing and different thicknesses of the coating layer is effectively solved, and the production efficiency is improved.

The invention belongs to the technical field of composite board preparation, and particularly relates to a polyurethane honeycomb core composite board preparation device and a preparation method thereof.The polyurethane honeycomb core composite board preparation device comprises a mounting frame, the side wall of the mounting frame is connected with a controller, the upper side wall of the mounting frame is fixedly connected with a supporting frame, and the supporting frame is of an inverted-L-shaped structure; a first electric push rod is fixedly connected to the upper side wall of the supporting frame, and the movable end of the first electric push rod penetrates through the supporting frame and is fixedly connected with a lifting plate. The two back plates of the polyurethane honeycomb core composite plate are roughened in advance, so that the surface roughness of the back plates can be effectively improved, the contact area between an adhesive and the back plates is increased, the interface anchoring effect is enhanced, the bonding strength and interface reliability between the back plates and the adhesive layer and between the back plates and the honeycomb core are remarkably improved, the defects of layering, debonding and the like are reduced, and the service life of the composite plate is prolonged. Meanwhile, the stability and the service life of the plate under high and low temperature, damp and hot and external force are improved.

The application discloses a communication method, device, terminal, network side equipment, medium and computer program product, and belongs to the technical field of communication. The communication method of the application embodiment comprises the following steps: a terminal acquires deployment information of at least one first cell, the at least one first cell comprises at least one of the following: a service cell of the terminal, a neighboring cell of the service cell, and a conditional handover candidate cell; the terminal performs a first operation based on the deployment information; wherein the first operation comprises at least one of the following: sending first information, the first information is used for indicating a cell expected to be handed over; selecting a second cell; and handing over to the second cell, the second cell being a cell in the at least one first cell.

The application discloses a nitrogen foam generating device with variable foam diameter and a foaming method and application, belongs to the technical field of oilfield development, and comprises a foam generating device, and the foam generating device is most commonly used in profile control, water plugging and oil displacement construction wells. The application is composed of a gas access end, a liquid access end, a foam generating mechanism and a control part of variable foam diameter, achieves the purpose of changing the foam diameter, and can improve foaming performance and foaming quality. Meanwhile, the utilization rate of the foam in water plugging, profile control, channeling sealing and other process measures in oilfields can be improved, the profile control, water plugging and channeling sealing needs of different types of oil reservoirs can be met, the foam system has good temperature resistance, and the needs of preventing gas channeling in steam huff and puff of heavy oil reservoirs and plugging large channels in steam drive of heavy oil reservoirs can be better met, support is provided for oilfield oil increase and production increase, and guarantee is provided for an energy security strategy.

The application discloses a method for preparing oriented silicon steel and the oriented silicon steel, and the method comprises the following steps: continuously casting molten steel through a crystallizer to obtain a casting blank, wherein a unidirectional pulse current is applied to the molten steel in the crystallizer; hot-rolling the casting blank to obtain a hot-rolled coil; and carrying out subsequent treatment on the hot-rolled coil to obtain the oriented silicon steel. The unidirectional pulse current applied to the molten steel in the crystallizer can change the type and content of the metallographic structure in the casting blank, so that less or no banded structure is generated when the casting blank is subjected to a subsequent rolling process, thereby improving the magnetic properties and internal quality, such as linear crystal defects, of the prepared oriented silicon steel.

According to the field of natural language processing annotation data acquisition and quality prompting in text travel, in the field of traditional natural language processing, when a question and answer scene contains complex questions with rich background information, the challenge that the quality of generated answers is insufficient is often faced, and the ability of a natural language model trained through question and answer pairs in a special field is limited; the invention provides a method for generating improved question and answer pair quality by utilizing retrieval enhancement, which comprises the following steps of: selecting a language model through a multi-dimensional evaluation mechanism, acquiring text data related to a theme by adopting a mode of combining a web crawler and field investigation, cleaning and sorting the data, constructing a comprehensive text database, screening seed question and answer pairs, and obtaining the quality of the improved question and answer pairs. It is ensured that the generated question and answer pairs are sufficient in number and credible in content, and the question and answer pairs are further optimized through expert feedback and annotation so as to provide more accurate and high-quality answers; according to the method, the response efficiency and the answer accuracy of the question answering system in processing complex questions are remarkably improved.

The utility model provides a water stop device for post-pouring zone, include: a plurality of prefabricated board, each prefabricated board is in contact sealed with two building body's lateral surface, and a plurality of prefabricated board is sequentially arranged and sealed connection along the extension direction of post-pouring zone and is integrated, and post-pouring zone is covered. The utility model can effectively prevent leakage and rainfall to cause rust to the reinforcement inside post-pouring zone, keep the inside environment of post-pouring zone neat, need not to maintain post-pouring zone, reduce maintenance cost and subsequent construction risk.

This invention provides a pre-forging equipment and method for gear forging production, relating to the field of gear forging technology. It includes a waste collection module, a powder preparation module, and an extrusion bar module, as well as a circulation control module electrically connected to each of these modules. The waste collection module is used to classify and collect waste generated before and after gear forging, and then transport the waste to the powder preparation module. The powder preparation module is used to sequentially crush, grind, remove impurities, clean, dry, and classify the received forging waste to prepare a metal mixed powder, which is then transported to the extrusion bar module. The extrusion bar module is used to press the metal mixed powder filled in the die cavity into pre-forged billets of a preset specification, achieving high-value recycling of gear forging waste, replacing the traditional remelting method, significantly reducing energy consumption and metal loss, improving material utilization, and significantly reducing production costs.

This invention discloses a path planning method for a robotic arm platform, a robotic arm platform, and a storage medium, relating to the field of robotic arm path planning technology, and is invented to improve path planning accuracy. The method involves acquiring the current pose of the robotic arm platform, current environmental information, and the target arrival point. An initial obstacle avoidance path is generated using a gradient descent method with the adversarial potential field as parameters, taking the current environmental information and the target arrival point as parameters. This initial obstacle avoidance path is then smoothed using a filtering algorithm to obtain a smoothed obstacle avoidance path. The dynamic model of the robotic arm platform is used as a constraint, and an iterative optimization of the smoothed obstacle avoidance path is performed using a target value function with tracking error penalty, smoothness penalty, and energy consumption penalty as parameters, resulting in the planned path for the robotic arm platform after the target value function converges. This invention is used for robotic arm path planning.

The utility model relates to a kind of cloth pressing clamping frame structure applied to embroidery machine, belongs to embroidery machine technical field, including embroidery machine frame, the embroidery machine frame is equipped with clamping frame, the upper end of the clamping frame is equipped with several rotating arms with the pivot type insertion of embroidery machine frame, the side of the clamping frame is equipped with air pipe, the air pipe is equipped with air pipe fixed terminal with air pipe and clamping frame intercardiac embedding fixed, the clamping frame is equipped with a pair of extension and the pressing plate of clamping frame lower end.With the characteristics of simple structure, convenient operation and good running stability. Through optimization structure to improve the stability of cloth fixed, convenient operation and the reliability of overall structure. Realize the perfect combination of efficient automation, convenient operation, cloth friendly and reliable operation, significantly improve the overall performance of embroidery machine and embroidery quality.

A kind of multi-stage regulation ultrasonic vibration auxiliary electric arc additive device and method based on deep learning, including additive robot and workbench, and the workbench on the clamping frame of vibration pickup connected with additive robot, ultrasonic vibration device is connected below workbench, flange is connected outside ultrasonic vibration device, upper cover is connected on the upper part of flange, upper cover side and slide rail are connected, slide rail is connected on clamping frame, upper cover and lower hydraulic device are connected, hydraulic device is connected on clamping frame, lower cavity is connected in the lower part of flange, clamping device is connected below lower cavity;Clamping frame is installed on the lower guide rail, and clamping frame is controlled to move on the lower guide rail by stepper motor;Ultrasonic vibration device is controlled by control power supply;Method is based on the multi-stage self-adaptive regulation based on deep learning of ultrasonic vibration power of ultrasonic vibration device based on the distance measuring effect of vibration pickup, to realize the consistency of actual power effect to the same layer;The present application realizes the uniformity of performance enhancement of additive component.

The application provides a task offloading and resource cooperative scheduling method and device and a readable storage medium, and solves the technical problems of slow scheduling response and high deployment cost of the existing edge computing scheduling method due to dependence on multi-round iterative search or offline training model. The technical solution points are as follows: the edge side MEC server performs local perception on the resource state through the pulse neuron, generates a discrete pulse event when it is confirmed that the overload is continuous, and reports to the control side; the control side updates the dynamic penalty factor of the corresponding node according to the pulse event, calculates the comprehensive utility score by combining the task priority, the remaining resources of the node and the distance cost, and selects the optimal node to execute the task. The application does not need iterative optimization and offline training, can reduce the online scheduling overhead and improve the adaptive ability in the dynamic scene, and can be applied to the fields of Internet of Vehicles, industrial Internet, intelligent manufacturing and the like.

This application discloses an ultrasonic shot peening control method for a U-shaped inner cavity of a high-temperature alloy low-vortex disk, relating to the field of ultrasonic shot peening. The method includes: dividing the inner cavity into three process areas based on its geometry: a straight groove section at the inlet, a rounded corner section at the bottom, and a rotary exit section; precisely positioning the workpiece on a high-precision rotary table of a multi-axis CNC machine tool using a dedicated fixture, and establishing a reliable workpiece coordinate system. Based on this, a differentiated CNC path is generated using the workpiece CAD model to drive the relative motion of the ultrasonic vibrating head, ensuring that different areas enter the effective impact range with trajectories matching their curvature characteristics. During shot peening, acoustic and vibration signals are acquired in real time and energy spectrum analysis is performed to dynamically determine coverage adequacy and energy distribution. The dwell time and dwell position are adaptively adjusted based on the analysis results and updated collaboratively with the CNC path, thereby achieving precise, uniform, and continuous strengthening of the complex inner cavity.

This invention provides a cooling structure for a film-making machine, including a steel belt and a liquid storage tank located below the steel belt. A spray assembly is installed inside the liquid storage tank, and a filter assembly is installed below the spray assembly. The side of the filter assembly is fixedly connected to the inner wall of the liquid storage tank, and an anti-clogging assembly is installed above the filter assembly. The anti-clogging assembly and the spray assembly are respectively fixedly connected to the actuator of a synchronous drive component. Cleaning brushes and scraper blades are installed on the left and right sides of the spray assembly, with their tops contacting the bottom surface of the steel belt. This invention uses the spray assembly to spray cooling liquid onto the bottom surface of the steel belt, cooling the steel belt and facilitating subsequent film-making processes. The filter assembly filters the returned liquid before it is used by the spray assembly, allowing the coolant to be recycled and conserving water resources.

The utility model relates to the field of textile machinery discloses a spinning frame vehicle tail main shaft protection device, include: wallboard, fixedly be provided with oil storage tank on the wallboard, the wallboard is connected with spinning frame vehicle tail main shaft through oil storage tank, the junction of spinning frame vehicle tail main shaft and oil storage tank is provided with framework oil seal, be provided with ration adding mechanism on the oil storage tank, ration adding mechanism includes oil pipe, top box, storage pipe, discharge pipe, piston piece two, threaded cylinder, screw rod, control instruction piece and instruction block, oil pipe fixed mounting between oil storage tank and top box, discharge pipe fixed mounting is on storage pipe, piston piece two sliding seal installation is in storage pipe, threaded cylinder is connected with piston piece two fixedly, the utility model has the following advantages and effect: it is convenient to ration adding lubricating oil, avoids the condition that lubricating oil adds too much or too little, protects spinning frame vehicle tail main shaft fully.

The invention discloses a method for improving the deep-frying deformation resistance of a fish recombinant product, and belongs to the technical field of aquatic product processing. According to the method for improving the deep-frying deformation resistance of the fish recombinant product, starch with low amylose content is added in the preparation process of the recombinant minced fillet, the starch is fully swelled and filled in gel pores in the minced fillet, protein conformation change is regulated and controlled, formation of a more compact and stable network structure is facilitated, and the deep-frying deformation resistance of the fish recombinant product is improved. And the problem of deformation caused by thermal expansion and cold contraction in the frying process of the recombinant fish product can be effectively solved, so that the frying deformation resistance of the recombinant fish product is improved. Theoretical support and technical practice are provided for high-value development of minced fillet products and accurate application of starch in a fried gel system.

This invention provides a coffee brewing system and a coffee machine, belonging to the field of coffee machine technology. The coffee brewing system includes a machine body and a brewing head assembly, a brewing chamber assembly, and a coffee pusher assembly mounted on the machine body. The free ends of the brewing head assembly and the coffee pusher assembly can approach each other and compress the coffee powder falling into the brewing chamber to form a coffee cake. The coffee brewing system also includes a first filter and a second filter. One of the first and second filter is located at the free end of the brewing head assembly, and the other is located at the free end of the coffee pusher assembly. The first and second filter are opposite each other. The second filter has a filter cavity formed by a recess in the direction away from the first filter, and the inner diameter of the filter cavity gradually decreases in the direction away from the first filter. One of the free ends of the brewing head assembly and the coffee pusher assembly is the liquid outlet, and the other is the liquid inlet. The coffee cake extruded by this brewing chamber is a cone-shaped convex cake with a thicker center and relatively thinner edges, improving the quality of the coffee.

The application relates to a grinding method and device of an eccentric peripheral flank face, a numerical control machine and a storage medium. The method comprises the following steps: acquiring a peripheral helical blade line function; acquiring a transformation matrix for converting a peripheral coordinate system to a workpiece coordinate system; the peripheral coordinate system is established with a blade line point of the peripheral helical blade line function as an origin; the workpiece coordinate system is established with a tool rotary shaft as one of the coordinate axes; performing coordinate system transformation based on the transformation matrix and an initial grinding wheel position in the peripheral coordinate system to obtain a target grinding wheel grinding track in the workpiece coordinate system; performing coordinate system transformation based on the transformation matrix and an initial grinding wheel axis vector in the peripheral coordinate system to obtain a target grinding wheel axis vector in the workpiece coordinate system; and performing eccentric peripheral flank face grinding based on the target grinding wheel grinding track and the target grinding wheel axis vector. The method can improve the tool blade strength and the machining surface quality.

The application discloses a cooling method of a roller hearth open flame heat treatment furnace, which comprises the following steps: operating the roller hearth open flame heat treatment furnace; cooling the roller hearth open flame heat treatment furnace by alternately circulating the even-numbered burners and the odd-numbered burners of a burner cooling circulation system to generate cooling alternating pulse circulation, and making the pressure of the burner cooling circulation system be 5.5KPa-7.5KPa. The cooling method of the roller hearth open flame heat treatment furnace can cool the cold air blowing in the roller hearth open flame heat treatment furnace by alternately circulating the even-numbered burners and the odd-numbered burners of the burner cooling circulation system to generate cooling alternating pulse circulation, so that the uniformity of the cooling in the furnace is good, and the cooling rate is consistent. The cooling rate is greatly improved, the process switching time of the roller hearth open flame heat treatment furnace is reduced, and the production cost is reduced.

The invention relates to the field of machining, in particular to a steel clamp assembling machine for coil assembling, which comprises a steel clamp assembling machine for aligning, positioning, clamping and steel clamp assembling treatment of a semi-finished coil, and the steel clamp assembling machine comprises a rack, a feeding device, a clamping device, a clamping device, a straightening device, a discharging device and a transfer mechanical arm, all the devices are sequentially arranged on the rack at equal intervals in the transverse direction, the transfer mechanical arm drives the clamping assembly to reciprocate at all the devices, and all the devices achieve the functions of conveying, overturning, extruding, positioning, clamping, straightening, discharging and the like of semi-finished coils. According to the device, the effects of efficiently aligning, positioning, clamping and installing the steel clamp on the semi-finished coil and improving the production efficiency and the product quality are achieved.

This application relates to the field of air conditioner technology and discloses a filter dust removal device for an air conditioner. The filter dust removal device includes: a roller assembly, including a first roller and a second roller; a filter screen, with both ends respectively wound and connected to the first and second rollers, and the other end released when one end of the filter screen is wound up; a traction rope, with both ends respectively wound and connected to the first and second rollers, and the other end released when one end of the traction rope is wound up; and a cleaning component, corresponding to the filter screen, which contacts the filter screen during its movement to remove dust; wherein, the first end of the filter screen and the first end of the traction rope are wound and connected to the first roller in opposite directions, and the second end of the filter screen and the second end of the traction rope are wound and connected to the second roller in opposite directions; the traction rope is released simultaneously when the first roller rotates in the forward direction to wind up the filter screen, and the traction rope is wound simultaneously when the first roller rotates in the reverse direction to release the filter screen. This application also discloses an air conditioner.