24results about How to "Correctly designed" patented technology

The invention discloses an underground expressway reinforcement learning intelligent line selection method based on a GIS and an InSAR, and the method comprises the steps: providing urban environment multi-source data based on the GIS and the InSAR, building a rasterized observation space, building an initial linear continuous line space, and jointly building a line selection space of a reinforcement learning model; the strategy network of the reinforcement learning model receives parameter information of the line selection space and outputs linear parameters; the linetype builder corrects linetype parameters and updates the line selection space; the multi-index evaluation model outputs reward and punishment values according to the parameter information of the new line selection space, a value network of the reinforcement learning model receives the reward and punishment values, calculates a gradient for updating, and transmits a gradient updating strategy model; circulating until a round of line selection is completed, and calculating an accumulated reward value; and when the accumulated average reward value does not reach the optimization target, circulating until the optimization target is reached, and finding the optimal design. The method has the advantage of being beneficial to improving the efficiency and accuracy of underground road design.

The invention relates to a printed circuit board welding spot temperature cycle acceleration test profile design method, which takes welding spots on an aging test board carrying a test device as research objects, and utilizes simulation software to carry out finite element simulation on a target circuit board under multiple groups of temperature cycle stress conditions. A plurality of groups of fatigue life are calculated through an Engelmaier fatigue life model in combination with a simulation result, the fatigue life obtained through calculation is substituted into a Coffin-Manson acceleration model for fitting calculation of an acceleration factor calculation formula, finally, the acceleration factor calculation formula is utilized, required acceleration time is substituted into the formula for calculation to obtain actual condition design acceleration test section parameters, and the acceleration test section parameters are calculated according to the actual condition design acceleration test section parameters. The obtained acceleration test profile can complete the temperature cycle acceleration test of the printed circuit board within a given time, and the process of the method is as shown in Figure 8. The method belongs to the technical field of reliability evaluation of microelectronics and components.

The invention discloses a metal material current micro-area step-by-step scanning processing device and a processing method thereof. The metal material current micro-area step-by-step scanning processing device comprises a PC control system, a current output system, a current micro-area processing device, a workpiece conveying device, a temperature measurement and control system, an insulation module and a high-performance computer system. According to the equipment and the process, the problems that in the traditional heat treatment process, the size of a furnace cavity is limited, and the heat treatment time is long are solved, meanwhile, the structure performance of a specific tiny area of a metal material can be precisely regulated and controlled, the production efficiency is remarkably improved, the production cost is reduced, the comprehensive performance of a product is improved, and the equipment and the process can be used for industrial large-scale production.

The invention discloses a high-modulus asphalt mixture mix proportion secondary performance balance design method. The method comprises the following steps: selecting high-modulus asphalt mixture gradation; determining an initial asphalt-aggregate ratio OAC according to the volume index parameters, and determining an initial high-modulus agent mixing amount according to instructions; preparing more than three groups of high-modulus asphalt mixtures with different asphalt-aggregate ratios and an interval of 0.1% or 0.2% according to up-down floating of OAC; testing to obtain the dynamic stability DS of mixtures with different asphalt-aggregate ratios and the damage strain index epsilon B of the low-temperature bending small beam; and carrying out dimensionless treatment on the dynamic stability and the low-temperature bending failure strain index of the high-modulus asphalt mixture. According to the method, the performance balance is used as a design concept, the high-modulus asphalt mixture is subjected to balance design, the high and low temperature performance balance and the modulus and fatigue performance balance of the mixture are considered, the optimal asphalt-aggregate ratio and the optimal high-modulus agent mixing amount are determined by combining the two-time balance design, and a new thought is provided for fine design of the high-modulus asphalt mixture.

In order to solve the problem that when the diesel engine belt pump is assembled, a transmission gear can rotate with a pump shaft and cannot be assembled, the gear assembly tool for the marine diesel engine belt pump is designed to guarantee stable and reliable assembly of the transmission gear. The gear assembly tool for the marine diesel engine belt pump comprises a fixing ring with an adjusting screw hole, a gear assembly tool body and a gear assembly tool body, and a screw hole is formed in the fixing ring with the adjusting screw hole; and the adjustable simulation teeth are meshed with the outer teeth of the transmission gear, are arranged on the inner side of the fixed ring with the adjusting screw hole and are assembled in the screw hole of the fixed ring with the adjusting screw hole through a fastening nut.

The invention discloses turret load acquisition equipment and a test system based on the turret load acquisition equipment. The turret load acquisition equipment comprises an adapter and a turret load acquisition equipment base body, the disc surface of the adapter is provided with a plurality of first bolt mounting holes, the inner edge of the adapter is a concave edge, and the concave edge is provided with a plurality of second bolt mounting holes; third bolt mounting holes corresponding to the first bolt mounting holes are formed in the disc surface of the base body; the inner edge of the base body is a flange which is matched with the concave edge; the flange is provided with a fourth bolt mounting hole corresponding to the second bolt mounting hole; a groove is formed in the turret load collecting device base body, a plurality of strain gauge bridges are evenly distributed in the groove, and the stress load of a turret in the Z-axis direction of a whole vehicle coordinate system is collected through the strain gauge bridges. According to the method, the problem that the simulation analysis precision cannot be guaranteed due to the fact that the existing turret load can only be obtained through virtual simulation analysis calculation is solved, and the stress load of the turret is accurately and rapidly measured.

The invention relates to the technical field of seasonings, and discloses a preparation method and a preparation device of a compound seasoning rich in amino acids, and the preparation method comprises the following steps: selecting salt, monosodium glutamate, cane sugar, spice powder, chicken essence powder and water, putting the materials into mixing equipment, and preliminarily mixing; putting the primary mixture into granulation equipment to be processed into a semi-finished granular seasoning; selecting high-quality soybean protein, fish meal, meat and bone meal and semi-finished granular seasonings, and putting the selected materials into homogenizing equipment; the compound seasoning containing soybean protein, fish meal and meat and bone meal and rich in amino acid is prepared through an adsorption process; according to the powder blowing mechanism, through ingenious combination of the material shaking plate in the powder removing barrel and the two plate pushing pieces, efficient shaking and powder separation of particle seasoning are achieved, the interior of the powder removing barrel is divided into an upper space and a lower space through the material shaking plate, and through alternate sliding of the plate pushing pieces, vertical fluctuation force is applied to the material shaking plate, and the traditional dustpan material shaking action is simulated.

This invention discloses an optimized method and system for green and high-yield cultivation of dryland wheat, relating to the field of agricultural cultivation technology. The method includes: firstly, acquiring typical precipitation and soil characteristic data of the target planting area, constructing a micro-ridge furrow simulation model, and optimizing the solution with the goal of maximizing predicted water catchment to obtain optimal micro-ridge furrow parameters. Then, calculating the confidence wetting depth based on the precipitation characteristic data and optimization results, and determining the furrow sowing parameters according to the optimization results and wheat water requirements. Finally, performing cultivation operations based on the micro-ridge furrow parameters, furrow sowing parameters, and confidence wetting depth, wherein the fertilizer application depth is determined based on the confidence wetting depth. This invention achieves precise matching of micro-ridge furrow structure, crop layout, and water and fertilizer management, solving the problems of low water use efficiency and poor spatial matching of water and fertilizer in traditional cultivation, and improving the precipitation use efficiency and yield level of dryland wheat.

A construction floor slab casting thickness control component includes a right-angle base, a steel bar groove, etc.; the right-angle base is set in a bolt column hole shape at the right angle, and the two ends of the right-angle base are set in a steel bar groove shape; a bolt column bar is set in the bolt column hole, and the bolt column bar is screwed into the bottom of the bolt column hole; the upper end surface of the bolt column bar is symmetrically provided with grooves, and the upper end of the bolt hole column is provided with a hollow rotating hole; an elevation plate is set in the groove of the bolt column bar, and the elevation plate is composed of two semicircles, and the elevation plate is provided with a rotating shaft at the fixed connection of the two semicircles, and a convex piece is set at the arc inside the elevation plate; one end of the movable connection of the elevation plate is set in a concave ridge shape, and the other end is set in a convex ridge shape; a pull ring hole is set in a circle on the outer side of the elevation plate, and the pull ring holes on the two adjacent elevation plates can be connected by a pull rope. The patent of the present invention solves the problem that the requirements for the thickness control of the entire cast-in-place slab cannot be met at the same time, and effectively ensures that the thickness of the floor slab is too thick or too thin.

The invention discloses a physical embedded multilevel inference artificial intelligence framework for surface acoustic wave filter design, and relates to the technical field of surface acoustic wave filters and artificial intelligence. The framework comprises an intelligent pre-generator, an equivalent circuit model verifier and an optimizer, wherein the intelligent pre-generator outputs an initial design solution according to a target S21 parameter; the equivalent circuit model verifier rapidly predicts the response of the filter S21 through a mixed model of inference logic and deep learning driven by a surface acoustic wave resonator admittance formula and an ABCD matrix cascade formula; and the optimizer iteratively optimizes the design parameters and the topological structure based on the prediction result. The physical mechanism of the surface acoustic wave device is embedded into the deep learning reasoning process, the limitation of physical consistency of a pure data driving model is broken through, end-to-end full-automatic design without manual parameter adjustment and complex electromagnetic simulation is achieved, the calculation cost is remarkably reduced, the design period is shortened, and the design efficiency is improved. The method can be widely applied to efficient and accurate design of the surface acoustic wave filter in the field of wireless communication.

The application discloses an equivalent estimation method for selection of dynamic compaction design parameters, and belongs to the field of foundation treatment, comprising the following steps: constructing a calculation model of energy density; selecting a reference soil body, calibrating the energy density threshold of different reinforcement levels of the reference soil body, determining the soil quality correction coefficient and target energy density of a target soil body according to the energy requirement difference of the target soil body and the reference soil body reaching the same reinforcement level; determining the reinforcement treatment thickness and ramming point distribution form of the target soil body, and drafting the initial value of the dynamic compaction design parameters, wherein the dynamic compaction design parameters comprise single-ramming ramming energy and ramming point spacing; calculating the energy density of the current soil body based on the calculation model of energy density, obtaining the effective energy density of the soil body, comparing the effective energy density of the soil body with the target energy density, and iteratively adjusting the single-ramming ramming energy and the ramming point spacing until the effective energy density of the soil body matches the target energy density, and outputting the final dynamic compaction design parameters.

The invention relates to a multi-link composite video transmission system comprising a distributed system encoder and a distributed system decoder on a first transmission link, the distributed system encoder being configured to encode a video signal into a first network stream signal, the distributed system decoder being configured to decode the first network stream signal, and the distributed system decoder being configured to decode the first network stream signal; the decoded video signal is sent to a main video interface of the display equipment; the desktop screen capture client and the centralized system processor are arranged on the second transmission link, the desktop screen capture client is used for acquiring a desktop image of the video signal source in real time and encoding the desktop image into a second network flow signal, and the centralized system processor is used for decoding the second network flow signal and sending the decoded second network flow signal to a standby video interface of the display equipment; the comprehensive management and control platform is used for binding a plurality of corresponding components on the first transmission link and the second transmission link, and starting a normal component when the node is abnormal; and the display equipment can be switched between the main video interface and the standby video interface. The video transmission stability of the multi-link composite video transmission system can be improved, and the multi-link composite video transmission system has expandability.

This invention discloses a silicon-based ceramic core with high-temperature strength yielding properties and its preparation method. The silicon-based ceramic core includes a core matrix, strength yielding units, and a surface dense layer. The strength yielding units are uniformly embedded inside the core matrix, and the surface dense layer is uniformly coated on the outer surface of the core matrix. The mass ratio of the core matrix to the strength yielding units is 3-5.6:1. The preparation method includes the following steps: preparing a core matrix slurry, strength yielding units, and a surface dense layer slurry; mixing the strength yielding units into the core matrix slurry to obtain a mixed slurry; injecting the mixed slurry into a ceramic core mold for filling and die casting to obtain a wet blank; coating the outer surface of the wet blank with the surface dense layer slurry, drying it to obtain a silicon-based ceramic core blank, followed by degreasing and sintering. This invention solves the problems in the prior art such as the mismatch between the high-temperature strength of the ceramic core and the solidification stress of the alloy liquid, casting hot cracking, internal cavity recrystallization, core leakage, core deviation, and difficulty in core removal.

The invention relates to the technical field of line planning, and particularly discloses a power distribution network line planning design method and system based on an image shot by an unmanned aerial vehicle, and the method comprises the following steps: S1, obtaining a planning region, obtaining the topographic information according to the image shot by the unmanned aerial vehicle, dividing the planning region into a plurality of region blocks, obtaining a three-dimensional coordinate corresponding to the central point of each region block; s2, selecting area blocks where starting point and end point electric poles of the power distribution network are located on the interface to obtain an initial path; on the initial path, selecting region blocks as initial region blocks according to a preset interval; s3, setting a reference radius, taking the center of the initial region block as a sphere center to obtain a reference set, and calculating a matching value PI of each region block in the reference set; and S4, selecting the region block with the highest matching value from the reference set as an optimal region block, and taking the central point of the optimal region block corresponding to each initial region block as the position of the electric pole to obtain a final path.

The invention discloses a three-air-inlet-channel integrated design method considering double waverider front bodies, and relates to integrated design of front bodies / air inlet channels of hypersonic flight vehicles. According to design conditions, double waverider front bodies of internal / external flow integrated pneumatic design, a middle internal contraction air inlet channel and two symmetrical outer side internal contraction air inlet channels are provided, and the middle internal contraction air inlet channel is designed in a three-dimensional internal contraction axial symmetry reference flow field streamline tracking mode. The streamline tracking design is also carried out on the inner contraction air inlet channel which is symmetrical on the outer side by adopting a three-dimensional inner contraction axial symmetry reference flow field, and the inner contraction reference flow field of the inner waverider precursor and the outer contraction flow field of the outer waverider precursor are pneumatically coupled, so that the waverider characteristics of a precursor machine body and the lower surface of the middle inner contraction air inlet channel are kept; the whole aerodynamic performance is maintained, the other two symmetrical outer-side internal contraction air inlet channels are arranged, on the basis that the capture flow is improved, incoming flow is further compressed, and the aerodynamic performance and stability of a machine body are improved; and efficiency and performance requirements are considered.

This application relates to a method, apparatus, computer device, and storage medium for determining collision probability. The method includes: determining the number of collision detection operations based on model parameters in a discretized three-dimensional model of the propeller; performing collision detection operations based on the number of detections and recording the number of collision events; and determining the collision probability of an object colliding with the propeller based on the number of collision events and the number of detections. This quantitatively assesses the probability of an object colliding with the propeller, thereby determining the probability of the object passing through the propeller. Using this probability provides data support for the analysis of the rejection characteristics of aircraft propellers and the design of aircraft propellers, enabling researchers to design aircraft more accurately. This is of great significance for improving the overall resistance of aircraft to foreign object impacts and engine ingestion capabilities, and enhancing aircraft flight safety.

The utility model relates to cable shaping technical field, and disclose a kind of shaping equipment of preventing injury soft cable, including mounting plate, the left side of mounting plate top is provided with polishing mechanism, the right side of polishing mechanism is provided with shaping mechanism, the shaping mechanism includes support seat, the right side of support seat fixedly connected in mounting plate top, the top of support seat is fixedly connected with vertical board, the top of vertical board is fixedly connected with clamping piece, the inner wall of clamping piece is fixedly connected with heating plate.The shaping equipment of preventing injury soft cable, by placing the cable repair glue of cable with wire cable to clamping piece inside, heating plate can heat drying to it, reach the purpose of cable shaping, and simple and fast efficient, wire cable surface is polished after, by placing box, cable repair glue is dropped to surface, wire cable with repair glue is contacted with placing box, the cable repair glue of surface excess is dropped to placing box inside by deflector, realize the collection of cable repair glue.

The present invention relates to the technical field of electronic digital data processing, and in particular to a method for converting spatial data of human clothing with multi-feature cross-domain matching. The method comprises obtaining measurement data, ages and style preferences of a plurality of individuals, and dividing the individuals into a plurality of groups according to their ages, wherein the measurement data comprises a plurality of body index data; determining the part significance of each body index data of each individual according to the measurement data, the style preferences and the total number of individuals in all groups, determining a target weight value of each body index data according to the part significance, and determining a target linear regression equation according to the target weight value; quantifying a corresponding target weight value based on the part significance of each body index data, so that when the target linear regression equation performs calculation analysis on the measurement data to be analyzed, the target parameters for designing clothing can be determined more accurately, which is conducive to meeting the size requirements of clothing for people of different body shapes.

The invention provides a urea box design method and an automobile design method.The urea box design method comprises the steps that an opening is formed in the bottom side of a urea box, a solution pump enters the interior of the urea box through the opening part, and the interior of the urea box comprises a first liquid level line, a second liquid level line, a first area, a second area and a third area; the first area is a space between a first liquid level line and the top of the urea box, and the demarcation of the first liquid level line is determined according to the volume of the second area; the second area is a space between the first liquid level line and the second liquid level line, and the volume of the second area is determined according to the vehicle driving speed, the driving altitude and the endurance mileage requirement; the third area is a space between a second liquid level line and the bottom of the urea box, and the height of the second liquid level line is the height of the part, entering the urea box, of the solution pump. By means of the method, the vehicle urea box better meeting the actual requirement can be designed more accurately.

A moving contact mechanism and circuit breaker are disclosed, comprising: a contact support having a first surface and a second surface; the first surface having a first mounting surface; a positioning shaft being provided on the first mounting surface; and a mating wall being provided on one side of the first mounting surface, the mating wall having a positioning groove; a moving contact having a circular hole adapted to the positioning shaft, being mounted on the first mounting surface, and the moving contact extending towards the stationary contact to form a positioning block, the positioning block being adapted to the positioning groove; a torsion spring sleeved on the positioning shaft, one end of which overlaps with the contact support, and the other end of which overlaps with the moving contact; a latch rotatably disposed on the second surface of the contact support; and a jump catch rotatably disposed on the second surface of the contact support and overlapping with the latch. This application utilizes the engagement of the positioning block of the moving contact with the positioning groove of the contact support to limit the swing of the moving contact on the contact support, ensuring that the position of the moving contact in contact with the stationary contact remains consistent each time.

The present invention provides a chemical cofferdam design method, comprising the following steps: (1) clarifying the specifications of the storage tank to provide basic data for subsequent calculations; (2) establishing the Bernoulli equation to solve the maximum horizontal ejection velocity of the fluid at the leakage point; (3) calculating the horizontal ejection distance of the liquid; (4) calculating whether the cofferdam volume is sufficient to accommodate the leaked liquid. The present invention solves the maximum horizontal ejection velocity of the fluid at the leakage point based on the Bernoulli equation, and then establishes the horizontal ejection distance equation. By judging the distance from the cofferdam to the storage tank, the horizontal ejection distance is calculated. L And cofferdam height h 0 Whether the liquid can be blocked from being sprayed outside the cofferdam area, and at the same time, whether the cofferdam volume is sufficient to contain the leaked liquid, and the cofferdam parameters are designed. The present invention makes up for the low precision of the existing cofferdam design method and realizes the accurate design of cofferdam parameters; at the same time, the method of the present invention is simple, highly operable, and has high engineering application value.

The invention discloses a whole-process treatment and resource utilization device and method for sweet potato starch wastewater, and the method comprises the following steps: high-concentration wastewater and low-concentration wastewater are respectively pretreated and then enter a high-wastewater adjusting tank and a low-wastewater adjusting tank, and the effluent of the low-wastewater adjusting tank enters the high-wastewater adjusting tank or directly enters an A / O tank; and the effluent of the high wastewater adjusting tank sequentially enters an EGSB anaerobic reactor, a secondary air floatation tank, an A / O tank, a biochemical sedimentation tank, a magnetic coagulation sedimentation tank and an effluent tank. According to the invention, two sets of pretreatment modules are designed, so that the tank capacity is designed more accurately, the agent adding amount is selected more accurately, and the removal efficiency is greatly improved; in the pretreatment process, the sludge is subjected to protein recovery through a protein separation system, so that resource utilization of the sweet potato starch wastewater is realized; and an alternate treatment mode of biochemical treatment, physicochemical treatment, biochemical treatment and terminal deep physicochemical treatment is adopted, so that the method has higher flexibility and impact load resistance.

The application provides a grouting parameter determination method, and relates to the technical field of underground engineering grouting reinforcement. The grouting parameter determination method comprises the following steps: drawing a foundation circle on a construction stratum, constructing a grouting hole with the center of the foundation circle, and constructing two observation holes with the endpoints of any radius of the foundation circle as the center; preparing a slurry, filling the observation holes with water, and injecting the slurry into the grouting hole; gradually increasing the grouting pressure during the grouting process, and recording the grouting pressure P when water overflows from any observation hole; keeping the grouting pressure as P, continuing to inject the remaining slurry, and recording the water overflowed from the observation hole; and determining the grouting diffusion radius. Through the parameter determination method, the in-situ test of the stratum needing reinforcement can be performed, the grouting diffusion radius and the corresponding grouting pressure can be directly determined, the grouting diffusion effect can be accurately reflected, the accurate design of the grouting reinforcement engineering can be guided, the grouting can be accurately controlled, the expected reinforcement effect can be ensured, and the risk safety control can be realized.

This invention belongs to the field of civil defense engineering and explosion-proof protection technology, and relates to a polyurea-coated, panelless civil defense device, including a load-bearing outer panel, a reinforcing frame, elastic damping connectors, an internal cast-in-place body, an arc-shaped elastic support rod, and a support plate. The support plate's inner side contacts the arc-shaped protruding surface of the arc-shaped elastic support rod, forcing the rod to undergo elastic compression deformation. The arc-shaped structure of the support rod produces a progressive stiffness response under pressure: initially, the arc-shaped structure is easily deformable, providing a large displacement stroke to absorb energy; as the compression increases, the stiffness of the support rod gradually increases, effectively suppressing excessive deformation. During deformation, the arc-shaped elastic support rod generates a reaction force on the reinforcing frame, which is evenly distributed to the internal cast-in-place body through the three-dimensional mesh structure of the reinforcing frame. Its structural design is scientifically sound, easy to use, provides excellent protection, and is environmentally friendly.