27results about How to "Consider quality" patented technology

The invention discloses an etching solution and a preparation method and an etching method thereof, and belongs to the technical field of microelectronics and display panel manufacturing. The etching liquid comprises the following components in percentage by mass: 50-70% of phosphoric acid, 5-30% of acetic acid, 5-15% of nitric acid, 0.1-0.5% of a water-soluble polymer, 0.05-0.3% of a boron-containing compound, 0.05-0.5% of an etching control agent and the balance of water. The water-soluble polymer is selected from one or more of water-soluble polymers containing a hydroxyl group, an amide group, an ether bond or a pyrrolidone group. The etching solution contains a specific water-soluble polymer, a protective layer can be formed on the surface of the photoresist, attack of high-concentration acid to the etching solution is effectively inhibited, and the cracking problem is avoided; meanwhile, through the synergistic effect of the boron-containing compound and the azole etching control agent, the etching rate, the slope angle and the key size loss can be accurately controlled, and therefore the excellent etching morphology meeting the requirement is obtained.

The invention discloses an unmanned aerial vehicle adaptive path planning method based on risk triggering and local optimization. The method comprises the following steps: (1) establishing an unmanned aerial vehicle motion and obstacle environment model; (2) constructing an enhanced artificial test field and calculating resultant force; (3) calculating a risk index and generating a trigger signal; (4) executing PSO local re-planning during triggering; and (5) updating the position of the unmanned aerial vehicle and outputting a planned path. The invention provides a PSO-APF hybrid single unmanned aerial vehicle path planning method based on event triggering, and the method achieves the real-time, safe, smooth and efficient path planning in an obstacle environment through the construction of an enhanced artificial potential field model, a risk index and event triggering mechanism, a self-adaptive local re-planning window and a PSO optimization module. And a closed-loop process of potential field guidance, risk assessment, event triggering, local optimization and path updating is formed.

The utility model discloses a multi-layer insulating glue pressing device for a dispensing driving plate, which is applied to the technical field of electronic engineering, adopts a two-side clamping design, can effectively improve the pressing stability and precision of parts, can uniformly distribute pressure, avoids deviation or deformation of a glue layer caused by single-side stress, and improves the product quality. Two-side clamping can adapt to parts of different sizes, the production compatibility and efficiency are improved, the manual adjustment time is shortened, and the clamping device is suitable for the automatic production scene of electronic elements; according to the vertical multi-layer synchronous pressing design, the production efficiency can be remarkably improved, accurate pressing of multiple parts can be completed at a time, the time consuming problem of layer-by-layer operation is avoided, it is ensured that all layers are evenly stressed through the structure, the adhesive layer thickness deviation or dislocation risk is reduced, meanwhile, the consistency of insulating performance is kept, and space is saved through vertical layout.

The invention relates to the technical field of animation rendering, in particular to an animation scene fixation point rendering system based on eye movement tracking, which comprises a semantic attention modulation module, a rendering area dynamic construction module and a layered sample distribution rendering module, the semantic attention modulation module generates an attention diffusion diagram of semantic modulation based on the time sequence semantic importance maps of the current animation frame and the preorder frame and the current instantaneous fixation point data; a rendering area dynamic construction module adaptively constructs a core rendering area and a gradual transition rendering area according to the attention diffusion diagram; and the layered sample distribution rendering module implements ray tracing sampling of different sample numbers on the core rendering area, the gradual transition rendering area and the background area on the GPU. Compared with the prior art, the image quality of the gazing area is improved under the limited computing power, and the overall visual transition is kept smooth.

The application discloses a video advertisement intelligent insertion method and system based on semantic segmentation and multi-modal context fusion. Through pixel-level semantic mask and multi-frame time sequence analysis, the space gap area available for advertisement embedding in the video is automatically identified, and background stability is judged in combination with structural similarity and brightness change and other indexes. A multi-modal context modeling device is constructed, a context situation vector is generated through a cross attention mechanism by fusing a character emotion vector, a video rhythm vector and a scene structure vector, and an insertion suitability score is output. When the score reaches a set threshold and the gap area meets the conditions, the system performs advertisement generation and visual fusion operation, realizes natural advertisement insertion consistent with the original video content style. The method is suitable for various content platforms such as short videos and live broadcasts, and experiments show that the click rate and the complete play rate can be significantly improved, and the jump-out rate can be reduced.

The invention discloses a method for batch production of thick DC03 cold-rolled steel strips on a silicon steel production line. The method comprises the steps of converter smelting, vacuum treatment, continuous casting, hot rolling, acid rolling and continuous annealing. A unique annealing and stepped controlled cooling process is adopted; the DC03 comprises the following chemical components in percentage by mass: less than or equal to 0.0030% of C, less than or equal to 0.030% of Si, 0.15%-0.25% of Mn, 0.020%-0.055% of Alt, 0.050%-0.065% of Ti and the balance of Fe and inevitable impurities. On the premise of ensuring the mechanical properties (especially elongation and r value) of the product, the actual temperature of the strip steel at the outlet of the furnace area and in the subsequent process is greatly reduced, the problem of scalding of the rubber roller is fundamentally avoided, and stable and batch production of the thick DC03 (1.0-1.2 mm) on a silicon steel production line is realized.

The invention relates to the technical field of motor control, in particular to a permanent magnet motor model predictive current control method based on a current source type inverter. Comprising the following steps: collecting the operation state quantity of a motor system, and carrying out Park conversion to obtain an operation measured value; according to the operation measured value, an alternating current side parallel filter capacitor branch model and a permanent magnet synchronous motor mathematical model are established, a unified discrete prediction model is constructed, and an inverter output current vector and a capacitor current in the next period are obtained through calculation; constructing a capacitance current steady-state reference component and a capacitance current deviation component; and constructing a cost function, selecting an output current vector with the minimum cost function as an optimal control vector of the current control period, and generating an inverter switch driving signal to drive CSI to operate. According to the method, stator current tracking and alternating current side oscillation suppression are considered at the same time under a unified prediction model framework, and compared with a traditional strategy, the dynamic response speed and the steady-state waveform quality can be better considered.

This invention relates to the field of intelligent manufacturing equipment technology, specifically to a method for injection molding of anti-slip parts, comprising the following steps: collecting ejector pin trigger time and three-dimensional coordinates to construct a contact sequence; extracting wall thickness and elastic modulus from mold files to form stiffness data; analyzing ejector pin direction, offset relationship, and posture disturbance trend based on the centroid distribution of the three-dimensional model; dividing mass blocks and identifying demolding sensitive areas; determining corresponding driving parameters; implementing deviation compensation in conjunction with real-time displacement feedback; and generating injection molding processing instructions. In this invention, the demolding force relationship is constructed based on the ejector pin trigger sequence and spatial position; sensitive areas and offset risks are identified in conjunction with wall thickness, elastic modulus, centroid distribution, and ejector pin direction; the ejection output is adjusted according to the target block direction; and displacement feedback and deviation compensation are used to suppress posture fluctuations, improve demolding coordination, reduce extrusion misalignment and jamming risks, and ensure product surface quality and processing stability.

The invention belongs to the technical field of inspection path planning, and particularly discloses a fire-fighting equipment intelligent inspection path planning method based on the Internet of Things, and the method comprises the steps: recognizing a passing fire-fighting hidden danger point, a track fixed deceleration point and a track state hidden danger point as target deceleration points; performing risk grading on each target deceleration point, matching a reference passing speed, and calculating an inspection task completion efficiency index and an inspection data quality index of each path; dynamically adjusting data quality index weights according to severity and marking time of hidden dangers in historical fire protection logs; and finally, based on the efficiency index, the quality index and the dynamic weight, calculating a comprehensive recommendation index through weighted fusion, and determining the path with the maximum index as a target inspection path. According to the invention, deep fusion of physical structure constraint, structure health state and fire-fighting hidden danger is realized, so that the data acquisition quality of a high-risk area can be ensured preferentially while the inspection efficiency is ensured.

The invention relates to a high-elasticity light insole and a shoe. The high-elasticity light insole is prepared from the following components in parts by weight: 23 to 43 parts of modified TPU (thermoplastic polyurethane), 36 to 67 parts of EVA (ethylene-vinyl acetate), 0 to 20 parts of toughening agent, 4 to 10 parts of ethylene propylene diene monomer, 3 to 4 parts of titanium dioxide, 0.4 to 0.8 part of octadecanoic acid, 0.4 to 0.8 part of zinc stearate, 1 to 1.5 parts of zinc oxide, 0.5 to 0.6 part of cross-linking agent and 7.9 to 8.2 parts of foaming agent. The modified TPU is prepared from the following components in parts by weight: 80 to 120 parts of polyester TPU, 0.5 to 3 parts of a grafting monomer, 0.1 to 0.5 part of an initiator, 0.25 to 1.5 parts of an assistant cross-linking agent, 0.25 to 1.5 parts of an anti-scorching agent and 0.1 to 0.5 part of an antioxidant. The high-elasticity light-weight insole has the advantages of being high in elasticity and light in weight (low in specific gravity), the insole is prepared in a chemical foaming mode, the process is simpler, the operation difficulty is lower, the cost is lower, the quality of a finished product and the simplicity and convenience of the process are both considered, and the quality level of the chemical foaming insole is greatly improved. The shoes with the insoles are particularly suitable for being worn during sports, and horizontal improvement can be brought to runners.

This application relates to the field of crystal growth technology and discloses an integrated seed wafer assembly and its fabrication method. The fabrication method of the integrated seed wafer assembly includes: forming a carbon film on the silicon surface of a seed wafer to obtain a seed wafer containing the carbon film; forming a first adhesive layer on the surface of the carbon film away from the seed wafer; forming a second adhesive layer on any surface of a graphite plate; and bonding graphite paper between the first adhesive layer and the second adhesive layer to obtain an integrated seed wafer intermediate; subjecting the integrated seed wafer intermediate to gradient hot pressing to obtain an integrated seed wafer; wherein the gradient hot pressing includes at least two hot pressing operations with increasing temperature gradients. The integrated seed wafer assembly obtained by this method exhibits high bonding strength between the seed wafer and the graphite component. Furthermore, using this integrated seed wafer assembly during crystal growth helps improve the quality of the wafer.

This invention belongs to the field of machining technology and relates to a magnetic reluctance type dynamic hole cold extrusion device. It includes a housing with a magnetic loading assembly, which includes a support guide rail assembly on the housing. A cylindrical shot guide rail is mounted on the support guide rail assembly, and a coil is fitted onto the shot guide rail. A shot is fitted inside the shot guide rail. A mandrel assembly is located inside the housing on one side of the shot guide rail. The mandrel assembly includes a detachably connected boss mandrel and a non-boss mandrel. The end of the boss mandrel is used to connect to a mandrel. A guide buffer assembly includes a first mass block inside the housing. One end of the first mass block is connected to the shot, and the other end of the first mass block is connected to the end of the non-boss mandrel. At least one buffer block is provided on the first mass block, located near the shot. A limiting ring is fitted on the shot guide rail and is used to match the buffer block to achieve limiting. Using this invention, the mandrel is easy to disassemble, the surface quality is high, and the working efficiency is high.

The application discloses a kind of cell therapy injection constant temperature control integrated machine and its control method, belong to the technical field of therapeutic injection.The cell therapy injection constant temperature control integrated machine includes turnover box, oscillation and shaking mechanism, temperature regulation module and cell therapy injection flow control module.Oscillation and shaking mechanism is arranged in turnover box, can be stabilized clamped injection and oscillate and shake evenly when using, avoid injection breakage pollution, guarantee stem cell suspension state;Temperature regulation module can be accurately adjusted according to the requirement of transportation preservation, back to the inside temperature of turnover box, maintain stem cell activity and avoid cold stimulus;Flow control module can accurately control the flow rate of injection in output pipeline, adapt to different patient treatment needs.Four modules work together, realize cell therapy injection whole process safe and accurate control, simplify operation process, reduce medical work intensity, be convenient for multi-scene adaptation, provide strong guarantee for standardization of cell therapy.

This invention discloses a pulse power supply control method applied to electrical discharge machining (EDM), which includes multiple machining parameters. The pulse power supply control method includes the following steps: classifying the multiple machining parameters into a first category of parameters and a second category of parameters, wherein the first category of parameters includes at least one of discharge polarity selection, absorption circuit selection, inductor circuit selection, and voltage level; and the second category of parameters includes at least one of pulse duration, pulse interval duration, and discharge current value; restricting the first category of parameters to be updated only before the start of EDM; and detecting whether the discharge current value and / or discharge voltage value are within a preset range; if the discharge current value and / or discharge voltage value are within the preset range, then the second category of parameters to be updated is cached, and the second category of parameters is updated only during the pulse interval; if the discharge current value and / or discharge voltage value exceed the preset range, then the second category of parameters is updated during the pulse duration.

The application discloses a double-cavity device and a growth method for solar cell epitaxial wafer growth, which comprises a first reaction cavity, a second reaction cavity, a sample moving cavity, a sample conveying assembly, an exhaust assembly and a heating assembly. The upper ends of the two reaction cavities are provided with air inlet assemblies, the sample moving cavity is communicated with the two reaction cavities, the sample conveying assembly realizes rapid sample transfer, the heating assembly independently controls temperature, and the exhaust assembly leads out tail gas. The growth method comprises steps of cavity purification, temperature stabilization, establishment of bistable growth conditions, alternating growth of multilayer epitaxial layers and the like. The application adopts a double-cavity independent stable HVPE structure, realizes rapid sample transfer without exposure and pollution, obtains an atomic-level steep interface and a precise controllable doping distribution, is suitable for III-V semiconductor material epitaxial wafer growth, and is especially suitable for space high-efficiency solar cell epitaxial wafer manufacturing.

This application discloses a medical image segmentation method based on inter-layer feature fusion and balanced expert input. The method acquires the medical image to be segmented and the prompt information, and inputs the medical image into an image encoder. Low-dimensional bottleneck features are extracted from at least one non-first encoding layer. Multiple convolutional expert outputs are weighted and fused based on routing weights to obtain enhanced bottleneck features. The enhanced bottleneck features from previous layers are read, spatially aligned, aggregated, channel projected, and upsampled to form historical bias features, which are then injected into the main path output. A manifold-constrained multi-branch transformation including residual mixing mapping is performed in the main path, where the residual mixing mapping matrix elements are non-negative and the sum of each row element and the sum of each column element are both 1. Image embedding features are obtained based on the enhanced output features. The prompt information is encoded to obtain prompt embedding features, and then decoded to obtain the segmentation result. This application is beneficial for improving the accuracy, stability, and applicability of medical image segmentation.

The invention relates to a communication-based motorized micro-grid master-slave-free parallel control method, and belongs to the technical field of power electronic equipment control. A plurality of motorized micro-grids are connected in parallel to form a network, the motorized micro-grids are interconnected through a communication bus, and periodically sample and report voltage feedback values to other motorized micro-grids in a power supply network; calculating a mean value based on all reported voltage feedback, calculating voltage deviation based on a voltage feedback set value, generating adjustment power through a voltage inner ring and a current inner ring, outputting the adjustment power to a load, and when the load changes or the voltage set value of the maneuvering micro-grid changes, adjusting the adjustment power to load balance under the condition of ensuring stable power supply. The problem that power supply quality and power supply network reliability cannot be considered in the prior art is solved.

This invention belongs to the field of medical device manufacturing technology, specifically relating to a conveying device for producing syringe plunger stoppers. It includes a base, a hopper, and a spiral channel. The spiral channel is connected to the bottom of the hopper and located inside the base. A sleeve is rotatably connected to the outside of the base, and a geared disc is integrally formed on the outside of the sleeve. A motor drives the sleeve to rotate through gear meshing with the geared disc. The inner wall of the sleeve has interconnected spiral grooves and inclined grooves. Ball bearings are slidably connected to the outside of the hopper, rolling within the spiral grooves and inclined grooves. A threaded sleeve is connected above the sleeve, and a spring is provided between the threaded sleeve and the hopper. A limiting piece is provided at the bottom of the threaded sleeve. An arc-shaped block is slidably connected within a groove on the outer wall of the sleeve, and a push rod that can extend into the inclined groove is provided on the inner side of the arc-shaped block. This invention achieves automated unblocking by causing the hopper to vibrate up and down through the rotation of the sleeve. The vibration intensity is adjustable, balancing anti-clogging effect and stopper protection, effectively improving conveying efficiency and production quality.

The invention provides a wafer regeneration chemical mechanical polishing system and process, and belongs to the technical field of semiconductor manufacturing, and the wafer regeneration chemical mechanical polishing system comprises a buffer unit, a conveying unit, a polishing unit, a cleaning unit and a control unit, the conveying unit, the polishing unit and the cleaning unit are located on the same side of the buffering unit and are sequentially arranged along the first linear path, and the conveying unit is located between the polishing unit and the cleaning unit; the buffer unit comprises a plurality of wafer cassettes, an optical detection station located on one side of the plurality of wafer cassettes, and a transmission mechanism located on one side, close to the conveying unit, of the wafer cassettes; the conveying unit comprises a transfer disc moving along the second linear path; the polishing unit comprises a first polishing assembly and a second polishing assembly which are arranged along the second linear path. Each polishing assembly comprises at least two polishing discs and polishing heads corresponding to the polishing discs.

The utility model relates to the technical field of garment processing, and discloses a garment processing ironing table which comprises a rectangular ironing platform, supporting legs are fixedly installed at the positions of the four corners of the bottom side of the ironing platform, an installation block is fixedly installed on the upper side of the ironing platform, and two garment supporting rods are installed on the side face of the installation block in a sliding mode. And a sliding guide plate is arranged above the ironing platform. According to the utility model, through the design that the flowing cavity in the moving column is communicated with the steam kettle and the connecting hose, steam is uniformly sprayed to the surface of clothes through the V-shaped air outlet groove to soften fibers; and meanwhile, a first sliding block, a spring and a second sliding block in the extrusion structure are elastically matched, so that the downward pressing pressure of the heating plate can be dynamically adjusted. And the steam softening and the pressing action are seamlessly connected. And in cooperation with guide constraint of a limiting groove in the bottom of the guide plate and a limiting block, it is ensured that the movable column stably slides along a preset path, deviation is avoided, efficient and uniform integrated ironing is finally achieved, and efficiency and finished product quality are both considered.

The invention relates to the technical field of image recognition and analysis, solves the technical problems that implicit spatial dependence is difficult to capture, missing report group conflicts are caused, and recognition of progressive abnormal behaviors is prone to delay or misjudgment in the prior art, and particularly relates to a security and protection monitoring comprehensive early warning analysis system and method based on machine learning. The method comprises the following steps: S1, collecting an original video stream monitored in a campus, obtaining campus Internet of Things sensor data, and preprocessing the original video stream and the Internet of Things sensor data to obtain time-space standardized data. According to the method, spatial configuration and time evolution can be explicitly coded, information splitting can be avoided, long-distance and many-to-many complex dependence can be captured in a cross-frame mode, the understanding accuracy of group abnormal behaviors is improved, robustness is greatly improved, and the joint analysis capacity of individual behavior and group interaction is remarkably improved.

The application discloses a grid mapping optimization method and system based on an adaptive control factor, and belongs to the technical field of artificial intelligence.The application comprises a semantic map establishing module, a point cloud map establishing module, a semantic database, a map gridding module and a post-rendering module.The application carries out image preprocessing after camera image data is collected, and establishes a semantic map; carries out filtering after laser radar point cloud data is collected, and establishes a point cloud map; according to the data information of the corresponding importance score Score, the distance Dis from the central observation position and the multi-material composition Mat in the semantic database in the semantic model for establishing the point cloud map, the adaptive control factor delta of each individual model in the point cloud map is determined; according to the determined adaptive control factor, the connection between spatial points is realized in the map gridding module, and a gridded map is formed; according to pixel normal interpolation calculation of a light source, the map is restored and reconstructed through a rendering module, and the authenticity and integrity of the reconstructed map are improved.

The present application relates to the technical field of path planning, and particularly relates to a vehicle path planning method, device, equipment and storage medium, the method defines the configuration space of operator parameters and generates a plurality of initial parameter combinations, generates a plurality of initial solution sets in combination with vehicle path planning requirements, constructs an initial population containing multiple parameter combinations and multiple initial solutions, and avoids the limitations of a single fixed parameter; through parallel local optimization, dynamic screening of elite populations and collaborative evolution processing on the initial population, the collaborative evolution of multiple parameter combinations and multiple initial solutions is realized; the parallel local optimization can improve optimization efficiency, the dynamic screening can concentrate resources to optimize key directions, the collaborative evolution can promote information fusion between elite individuals, effectively break through local optimum, and improve the quality and stability of the solution; finally, through a cyclic iteration mechanism, the solution is continuously optimized until the preset iteration stop condition is met, and the generation of a vehicle path planning scheme that takes into account universality, stability and solution quality is realized.

The application discloses a content uploading method, a wearable device and a storage medium, and relates to the technical field of wearable devices. The method comprises the following steps: after receiving an interaction instruction, acquiring collected image data; extracting text information in the image data to obtain text data, and selecting at least one first index for evaluating the quality of the text data; acquiring or setting a decision rule corresponding to the first index, and deciding an uploading mode according to the decision rule and the first index, wherein the uploading mode is uploading text or uploading an image; and uploading corresponding data to a target device according to the uploading mode, so that the target device executes the interaction instruction based on the received data. The application reduces the invalid image transmission process and reduces the data transmission power consumption.

This application discloses a method, medium, and device for half-bus voltage balancing in a three-phase four-wire inverter, relating to the field of inverter technology. The method includes the following steps: when the half-bus voltage difference is higher than a preset voltage difference threshold, a compensation loop is activated to obtain the amplitude of a preset compensation gain; the sign of the set compensation gain is determined based on the inverter's instantaneous active power; based on the compensation gain and the half-bus voltage difference, a zero-sequence compensation amount is calculated and superimposed on the zero-axis voltage loop of the dq0 control frame; when the half-bus voltage difference falls below the preset voltage difference threshold and remains for a preset time period, the compensation loop is exited. The medium and device are used to implement the above method. The beneficial effects of this application are: by adjusting the common-mode bias of the three-phase modulation wave with the zero-sequence compensation amount, the dynamic adjustment of the upper and lower capacitor connection time ratio is achieved. Its response speed is determined by the PWM switching cycle, effectively suppressing rapidly accumulated charge imbalance within milliseconds.

The invention discloses an abnormal structural data cleaning method based on homomorphic encryption. The method comprises the following steps: cleaning abnormal structural data based on homomorphic encryption; an SOCI toolkit and expansion are carried out; s3, a homomorphic comparison function scheme process; and homomorphic data cleaning based on the SOCI toolkit. According to the abnormal structure type data cleaning method based on homomorphic encryption, an encrypted data set does not need to be decrypted, data cleaning operation can be directly carried out on the ciphertext, wrong data elements are accurately recognized and marked, the data plaintext exposure risk is avoided from the source, and the data cleaning efficiency is improved. The core contradiction of'privacy leakage caused by decryption of original data 'and'incapability of detecting encrypted data' in traditional data detection is solved, and both privacy protection and data detection requirements are considered.

The invention provides a preparation method of a texture fusion coating cutter. According to the method, a texture fusion design thought is introduced into the field of coating cutter design, an interaction mechanism among a cutter surface micro-texture, a coating growth texture and a workpiece deformation texture is explored, a texture fusion mechanism among the cutter surface micro-texture, the coating growth texture and the workpiece deformation texture is clarified, and a matching model of a coating component system and a specific workpiece under the principle guidance of the texture fusion mechanism is established; and the selected wear-resistant coating components conforming to the texture fusion mechanism are deposited on the microtexture surface of the tool in a specific preferred orientation growth mode by adopting a CVD process, so that the dual effects of considering the wear life of the tool and the surface quality of a workpiece are achieved. The method can be applied to ceramic and hard alloy cutter materials, and the prepared texture fusion coating cutter is expected to solve the problems that friction wear is aggravated, the service life of the coating is shortened and the quality of the machined surface is difficult to meet the user requirement due to high-speed dry cutting of difficult-to-machine materials. The prepared tool can be used for high-speed dry cutting machining of nickel base alloy Inconel-718 and Ti6A14V alloy.