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134results about How to "Improve fineness" patented technology

Camouflage target detection method based on cascade frequency domain perception and refined feature guidance

The invention relates to the technical field of computer vision, and discloses a camouflage target detection method based on cascade frequency domain perception and refinement feature guidance, comprising the following steps: a computer device obtains a camouflage image and extracts a multi-scale feature map; performing frequency domain separation by using a frequency domain sensing module, generating low-frequency and high-frequency characteristic sub-bands, and performing cross-hierarchy aggregation from bottom to top through a cascaded frequency domain sensor to obtain frequency fusion characteristics; receiving the frequency fusion features from top to bottom by using an aggregation guide decoding unit, performing guide refinement in combination with the deep decoding features, adapting to irregular edges by using a variable kernel convolution strategy in the refinement process, and generating a prediction feature map in combination with a partial convolution strategy; and outputting the predicted feature map as a detection result. According to the invention, through frequency domain information complementation and dynamic convolution refinement, the problem of difficult detection caused by highly similar texture of the camouflage target and the background is solved, and the positioning accuracy and edge segmentation integrity of the camouflage target are improved.
Owner:NORTHEAST NORMAL UNIVERSITY

A gravure printing ink composition and a method for preparing the same

This invention discloses a gravure printing ink composition and its preparation method. The ink, by weight, comprises: 15-35 parts chlorinated polypropylene, 10-20 parts EVA-40W, 4-8 parts rosin-modified resin, 0.3-0.8 parts polyketide resin, 0.1-0.3 parts chlorinated ether resin MP45, 0.3-0.8 parts silica, 0.05-0.15 parts antistatic agent, 0.2-0.5 parts dispersant, 0.1-0.3 parts modified aluminum silicate AM660, 8-12 parts benzidine yellow, 6-10 parts fast red BHXL-T, 3-5 parts permanent orange yellow No. 13, 3-7 parts calcium powder, and 30-50 parts mixed solvent. During preparation, each resin is pre-dissolved separately, then mixed with pigments, additives, etc., and ground to a fineness ≤15μm. The ink of this invention has bright colors, good light resistance, excellent adhesion, antistatic properties, and printability, and is particularly suitable for gravure printing on polyolefin films.
Owner:HENAN ZICHEN NEW MATERIALS CO LTD

F-P spectral imaging system and method

PendingCN121804656AEliminate level aliasingAnti-aliasingRadiation pyrometryInterferometric spectrometryLight energyImage resolution
The invention provides an F-P spectral imaging system and method, and belongs to the technical field of spectral component measurement, and the system comprises a front lens which is used for collecting light energy and converting the light energy into emergent light meeting the limitation of the clear aperture of an F-P interferometer; the annular band optical filter comprises a central area and a plurality of concentric annular areas surrounding the central area, the bandwidth of each area is the same as the free spectral range of the F-P interferometer, and the annular band optical filter is used for eliminating level aliasing in emergent light of the front lens; the F-P interferometer is used for carrying out wavelength selection on emergent light of the annular band optical filter and outputting an interference field; the imaging mirror is used for projecting the interference field to the detector; and the detector is used for converting the projected optical signal into a digital electric signal. The F-P spectral imaging system which can maintain high spectral resolution and also can realize wide spectrum coverage is constructed by introducing the annular band optical filter which is accurately matched with the FSR of the F-P interferometer.
Owner:AEROSPACE INFORMATION RES INST CAS

Automatic slag raking method and system for induction furnace and computer storage medium

The invention belongs to the field of automation control, and particularly relates to an automatic slag raking method and system for an induction furnace and a computer storage medium. The automatic slag raking method comprises the following steps: controlling a robotic arm to carry an image acquisition device to a detection point and obtain a fused image at an induction furnace mouth, wherein the fused image is obtained through image registration and fusion based on visible light and a thermal image; according to the fused image, identifying and segmenting a furnace mouth frame, a slag liquid mask area and a slag mask area based on a semantic segmentation model; if the slag liquid mask area is recognized, the average height of the liquid level and the average thickness of the slag are calculated based on the position coordinates of the furnace mouth frame in the image, the obtained first average depth of field corresponding to the slag liquid mask area and the obtained second average depth of field corresponding to the slag mask area; if the calculated average height of the liquid level is within a preset range and the average thickness of the slag is greater than a preset thickness threshold value, calculating a first furnace feeding height and a first initial material raking height according to the average height of the liquid level and the average thickness of the slag;
Owner:北京瓦特曼智能科技有限公司

Method and related device for evaluating in-vehicle infotainment fluency

This application discloses a method and related equipment for evaluating the smoothness of in-vehicle infotainment systems, relating to the field of vehicle testing technology. The method includes: acquiring a recorded video stream of the in-vehicle interaction process of a target vehicle; parsing and processing the recorded video stream to obtain temporal data of the visual features of the in-vehicle infotainment system during the interaction process; determining quantitative information on the smoothness of the target in-vehicle infotainment system based on the temporal data of the visual features; and generating a smoothness score characterizing the smoothness of the in-vehicle infotainment system based on touch response latency, animation frame dropping features, and stuttering features. This application, by parsing and extracting temporal data of the visual features from the recorded video stream of the in-vehicle interaction process, quantifying touch response latency, animation frame dropping features, and stuttering features, and generating a unified smoothness score, can achieve an objective, detailed, and comprehensive evaluation of the smoothness of the in-vehicle infotainment system.
Owner:VOYAH AUTOMOBILE TECH CO LTD

Metallic article processing control method and system based on three-dimensional modeling

The application provides a kind of metal product processing control method and system based on three-dimensional modeling, it is related to computer technology field, first, the design requirement file of the metal product to be processed is obtained, including structure description and material attribute data, initial three-dimensional framework data and initial internal structure data are generated by three-dimensional structure analysis and combined into product initial three-dimensional model data;Then, the product initial three-dimensional model data is subjected to surface subdivision reconstruction processing to obtain product finishing three-dimensional model data;Then, a preset metal material stress feedback model is called to perform layer-by-layer forming simulation analysis, and a processing simulation feedback data set is generated;Finally, a continuous processing instruction sequence for driving machine tool motion control is generated according to the processing simulation feedback data set.The application realizes accurate control of the metal product processing process, improves the processing precision, efficiency and quality stability, and reduces the cost.
Owner:GUIZHOU UNIVERSITY OF FINANCE AND ECONOMICS +1

A medical treatment behavior identification method, system and device in a different place and a storage medium

This invention discloses a method, system, device, and storage medium for identifying out-of-town medical treatment behavior. The method includes: acquiring mobile phone signaling data of several objects and hospital AOI data of several objects; determining the location type of each object based on the mobile phone signaling data; determining hospital visitors and their corresponding hospital visitor categories based on the mobile phone signaling data and the hospital AOI data; identifying the medical treatment behavior of individuals within the hospital visitor categories based on the location type to determine the medical visitor category; and identifying and classifying the travel purpose of out-of-town medical treatment individuals within the medical visitor categories based on the level of medical resources in the city. This application helps improve the precision and accuracy of medical treatment behavior classification and can be widely applied in the field of resource allocation technology.
Owner:PEKING UNIV SHENZHEN GRADUATE SCHOOL

Lipstick raw material mixing system

The invention discloses a lipstick raw material mixing system, and relates to the technical field of cosmetic production, the lipstick raw material mixing system comprises a tank body, a cover body, a first motor and a stirring paddle, the stirring paddle penetrates through the cover body and is fixedly connected with the first motor; a grinding seat is fixedly arranged at the inner bottom of the tank body, an inverted-cone-shaped grinding cavity is formed in the grinding seat, an inverted-cone-shaped grinding block is rotationally arranged in the grinding seat, and a supporting column is fixedly arranged at the small end of the inverted-cone-shaped grinding block; a second motor is fixedly arranged at the outer bottom of the tank body and is fixedly connected with the supporting column; at least one circulating device is fixedly arranged on the outer side of the tank body and comprises a circulating main pipe, a first branch pipe, an electric push rod, a second branch pipe and a piston, the circulating main pipe communicates with the inverted-cone-shaped grinding cavity based on the first branch pipe and communicates with the middle space of the tank body based on the second branch pipe, and the output end of the electric push rod is fixedly connected with the upper end of the piston. By integrating the stirring structure, the grinding structure and the circulating device, grinding and stirring collaboration is achieved, the process is simplified, and the mixing uniformity is improved.
Owner:GUANGZHOU EUR COLOR COSMETIC CO LTD

Finger joint modules, dexterous hands and robots

ActiveCN224616410Usmall sizeDimensions conform to
This application discloses a finger joint module, a dexterous hand, and a robot. The finger joint module includes a rigid wheel, a flexible wheel, and a wave generator. The rigid wheel has internal teeth; the flexible wheel is movably disposed within the rigid wheel, and the flexible wheel has external teeth and a first mounting cavity; the wave generator is disposed in the first mounting cavity, and the wave generator includes a drive motor and a cam; wherein, the drive motor includes a stator and an outer rotor disposed around the stator, the cam is fixedly disposed outside the outer rotor, and a portion of the outer wall of the cam abuts against the inner wall of the flexible wheel, so that a portion of the external teeth of the flexible wheel meshes with a portion of the internal teeth of the rigid wheel; along the axial direction of the drive motor, at least the end faces of the drive motor and the cam are located inside the end faces of the rigid wheel and the flexible wheel. This solution can reduce the size of the joint module, meet the size requirements of a human hand, and satisfy the requirements for grasping performance.
Owner:DONGGUAN XUNLI INTELLIGENT TECHNOLOGY CO LTD

An LED driving PWM pulse width modulation device and method

An embodiment of the present invention discloses an LED driving PWM pulse width modulation device and method. The device includes: a grayscale data module for splitting grayscale data into high-bit grayscale data and low-bit grayscale data, and generating first high-bit grayscale data and second high-bit grayscale data based on the high-bit grayscale data; a PWM counter for counting PWM clock signals and dividing the PWM clock signals into high-bit clock data and low-bit clock data; a selector for time-division multiplexing either the first high-bit grayscale data or the second high-bit grayscale data to the PWM pulse width generation module based on the decoding result of the decoder; and the PWM pulse width generation module for outputting a PWM pulse width signal based on the first high-bit grayscale data, the second high-bit grayscale data, and the low-bit clock data. This device improves the visual refresh rate while maintaining the display grayscale and enhancing the display's detail.
Owner:CRM ICBG (WUXI) CO LTD

Large H-shaped frame welding tool

The utility model relates to a large H-shaped frame welding tool which comprises a rotating base composed of a circular plate, a support and supporting legs, and the rotating base can be controlled by a motor to rotate. Supporting rods are symmetrically arranged on the upper portion of the circular plate, a foundation plate is arranged on the tops of the supporting rods, and a first supporting plate and a second supporting plate are hinged to the foundation plate through second rotating shafts; a clamping groove is formed in the upper surface of the foundation plate, and a push rod is arranged in the clamping groove and can adjust the opening and closing angle of the first supporting plate and the second supporting plate. The upper portions of the first supporting plate and the second supporting plate are connected with a fixing plate through a third rotating shaft which can adjust the inclination angle of the fixing plate. A round pipe is installed between the first supporting plate and the second supporting plate, and the two ends of the round pipe are provided with fixing buckles connected with an H frame to be machined. The tool is driven by the motor and assisted by the controller, manual fine adjustment is combined, multi-angle positioning and convenient overturning of the H-shaped frame component are achieved, the manual overturning workload is reduced, and the welding fineness is improved.
Owner:XIAN CHENGHE COAL MINING MASCH CO LTD

A method and related apparatus for classifying urban surface regions

The application provides a city surface area classification method and related equipment. The city surface area classification method comprises: obtaining a first target parameter of a to-be-determined city surface area, the first target parameter comprising a characteristic building height, an average building height, a building height standard deviation, a building coverage rate, an impervious surface ratio, a characteristic vegetation canopy height, an average vegetation canopy height, and a vegetation coverage rate of the to-be-determined city surface area; inputting an electronic map corresponding to the to-be-determined city surface area and the first target parameter into a city surface area classification model to obtain a city surface area type corresponding to the to-be-determined city surface area output by the city surface area classification model, the city surface area type being used for analysis or simulation of heat waves, air quality, and extreme weather of the to-be-determined city surface area. In the application, the fineness and determination accuracy of the city surface area type are improved.
Owner:SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY

A neural network-based laser direct writing gray exposure parameter prediction method

The application discloses a kind of laser direct writing gray exposure parameter prediction methods based on neural network, belong to gray exposure technical field.This method is used to solve the problem of low efficiency caused by relying on a large number of experimental dose test in traditional gray exposure, inaccurate parameter optimization and insufficient accuracy of prediction model.The technical solution is as follows: first, the data of gray and etching depth under different exposure parameters are obtained by experiment to train the forward neural network model;then, the exposure time that makes the predicted depth greater than the target maximum depth is found by fixing the light intensity and using the model;finally, the gray value matched with the target depth is obtained based on the determined exposure parameters.The application can quickly and accurately predict the optimal exposure time, light intensity and gray value according to the target etching depth, thereby eliminating the repeated dose test process.
Owner:SUZHOU LABORATORY

High-precision metal gear defect automatic detection equipment and detection method thereof

PendingCN121899139AAchieve the purpose of automatic replenishmentAchieve automatic blankingMachine part testingPreparing sample for investigationCircular discDrive shaft
The invention relates to the technical field of gear defect optical detection, and discloses high-precision metal gear defect automatic detection equipment and a detection method.The high-precision metal gear defect automatic detection equipment comprises an equipment machine base, a detection base is arranged at the right end of the equipment machine base, and a detection chamber communicated with an inlet is formed in the optical detection base; an instrument mounting table is arranged in the detection chamber, an industrial camera is arranged on the instrument mounting table, a lens is arranged at the end part of the industrial camera, and a polarization regulator is mounted at the right end of the instrument mounting table. The driving shaft drives the annular driving shell to rotate by a circle, so that the inclined separation blade makes contact with the rolling bearing in the annular shell groove in the circular motion process, the inclined separation blade and the rolling bearing generate relative acting force, the rolling bearing moves along the inclined separation blade and is forced to leave the annular shell groove, and the disc and the rotating roller rotate by a certain angle; and the gear pin block on the rotating roller drives the gear piece to do clearance motion, so that a plurality of groups of tooth grooves of the gear piece are detected in turn, and the comprehensiveness and the fineness of detection are improved.
Owner:KUNSHAN HAISIDA PRECISION MASCH CO LTD

Chemical raw material grinding device

ActiveCN224086815UContinuously realize multi-stage grinding and crushingImprove grinding precisionGrain treatmentsMaterials scienceRaw material
The utility model discloses a chemical raw material grinding device, and particularly relates to the technical field of chemical raw materials, the chemical raw material grinding device comprises a box body, the top end of the box body is provided with a feed hopper, and the bottom end of the box body is provided with a discharge port; and the first grinding mechanism comprises a grinding cylinder which is rotationally installed at the bottom end of the feeding hopper and located in the box body, a first rotating assembly is arranged at the top end of the grinding cylinder, a conical grinding roller is arranged in the middle of the interior of the grinding cylinder, and a supporting frame is fixedly connected between the top end of the conical grinding roller and the feeding hopper. The first grinding mechanism is arranged, the first grinding mechanism is composed of the grinding cylinder, the conical grinding roller, the first grinding head, the second grinding head and the like, materials can fall into the position between the grinding cylinder and the conical grinding roller which rotate relatively, and the distance between the first grinding head and the second grinding head is gradually reduced from top to bottom; and under the extrusion action of the grinding wheel and the materials, multi-stage grinding and crushing of the materials can be continuously realized.
Owner:XIAN BECKMAN CHEM TECH CO LTD

A vertical dry grinding device and a control method thereof

The application discloses a vertical dry grinding device and a control method thereof, and belongs to the technical field of powder dry grinding. The device adopts a vertical single-cylinder structure, and the cylinder is sequentially divided into a first grinding zone, a second grinding zone and a grading discharge zone from bottom to top. The first grinding zone realizes mechanical coarse grinding by driving grinding medium through a rotor, the second grinding zone realizes superfine crushing of powder by high-pressure airflow, the grading discharge zone realizes separation of coarse powder and fine powder by a grading wheel, qualified fine powder is directly discharged, and unqualified coarse powder falls back for regrinding. The application integrates mechanical grinding, airflow crushing and grading into a single vertical device, reduces the equipment floor space, and improves grinding efficiency. Meanwhile, the multi-path air inlet structure reduces the powder adsorption and agglomeration, and improves the qualified rate of finished products.
Owner:PUHLER (GUANGDONG) SMART NANO TECHNOLOGY CO LTD

Rice transplanter capable of conveniently adjusting rice transplanting density

ActiveCN224178654UEasy to adjust transplanting densityEasy to adjustTransplantingAgricultural scienceAgricultural engineering
The utility model discloses a rice transplanter convenient to adjust rice transplanting density, which comprises an underframe, an interval adjusting mechanism, a position fixing mechanism and a clamping auxiliary mechanism, the interval adjusting mechanism comprises an operating frame, a driven wheel, a rice transplanting frame, a rice transplanting groove, an adjusting block and an adjusting plate, the position fixing mechanism comprises a clamping pipe, a clamping rod, a turntable, a first guide groove, a second guide groove and an embedded plate, and is slidably mounted in the rice transplanting groove through an adjusting block, so that an operator can conveniently adjust the rice transplanting interval, the rice transplanting density is accurately controlled, and the requirements of different crops and fields are met; the rice transplanter can accurately fix the position of the adjusting block through the design of the components such as the clamping pipe, the clamping rod and the turntable, and looseness or misoperation in the working process is avoided, so that the consistency and stability in the rice transplanting process are ensured, and looseness or failure of the rice transplanter caused by vibration or external force in the working process is avoided.
Owner:GAOAN ZHONGHUI AGRICULTURAL MACHINERY MANUFACTURING CO LTD

RGB-D image saliency detection method based on frequency decoupling mode interaction

The invention provides an RGB-D image salient target detection method based on frequency decoupling mode interaction, and the method comprises the steps: firstly carrying out the multi-stage feature extraction of RGB-D mode data, and obtaining the multi-stage feature representation of an RGB-D mode; performing frequency domain sensing cross-modal interaction on the RGB-D modal multi-stage feature representation to obtain frequency sensing cross-modal spatial domain interaction features; discriminative enhancement and cross-modal fusion are carried out on the cross-modal spatial domain interaction features of frequency sensing, and final multi-modal fusion features are obtained; and based on the final multi-modal fusion features, through multi-scale aggregation and global dependence modeling, generating a saliency target detection prediction map. According to the method, cross-modal association in a frequency domain is explicitly modeled in a feature learning process by using a frequency cross Mama fusion module, so that the problem that internal relationships among modals may be ignored when fusion is directly performed in a spatial domain in a traditional method is remarkably relieved, and the performance and generalization ability of salient target detection are improved.
Owner:JIANGXI UNIVERSITY OF FINANCE AND ECONOMICS

Organic compound fertilizer granulation equipment and method of use thereof

This invention discloses an organic compound fertilizer granulation device and its usage method, belonging to the field of organic fertilizer processing technology. The organic compound fertilizer granulation device includes a preparation box, honeycomb rollers, and a crushing and stirring device. The honeycomb rollers are located at the uppermost end of the inner cavity of the preparation box, and the crushing and stirring device is located below the honeycomb rollers. A braking device is located below the crushing and stirring device. A symmetrical sieve frame device is connected to the bottom of the inner cavity of the preparation box, and a sieve plate is connected to the sieve frame device. Anti-clogging devices are connected to the left and right sides of the preparation box near the bottom, and a collection box is connected to the bottom of the preparation box. This invention not only designs a clearing structure for the sieve plate but also incorporates a scraper to clean the surface of the sieve plate, effectively further improving the precision of fertilizer granulation screening.
Owner:JIANGXI XINYANGFENG FERTILIZER CO LTD +1

A memory leakage detection method, related device and equipment

Embodiments of the present application disclose a memory leakage detection method, related device and equipment, which are used for improving the detection accuracy. The method of the embodiments of the present application comprises: obtaining an object mapping list for a target business module, the target business module indicating a target business type of an application to be detected, the object mapping list being stored in a database and comprising a mapping relationship between an interface identifier and a number of operable objects, the interface identifier being used for uniquely identifying an interface of the target business module. In response to an exit operation for the application to be detected, first operable object data actually corresponding to M interfaces is obtained, the M interfaces comprising interfaces in a running state in the target business module before the application to be detected exits, and M being a positive integer. According to the object mapping list, second operable object data preset for the M interfaces is obtained. In a case where the first operable object data is greater than the second operable object data, it is determined that the target business module has a memory leakage.
Owner:TENCENT TECHNOLOGY (SHENZHEN) CO LTD

Large-particle iron powder ball screening and crushing mechanism

The utility model relates to the technical field of crushing devices, and particularly discloses a large-particle iron powder ball screening and crushing mechanism which comprises a crushing box and a screening plate, a feeding port is formed in the top of the crushing box, a discharging port is formed in the bottom of the crushing box, and a crushing mechanism is arranged in the crushing box; the screening plate is connected to the bottom of the crushing box in a sliding mode, and a driving mechanism used for driving the screening plate to reciprocate is arranged on the crushing box. The device has the effect of solving the problems that manual iron powder ball knocking needs continuous operation of workers, time and labor are wasted, and the labor intensity of the workers is increased.
Owner:WUHAN XINSHICHENGNUO RESOURCES DEV CO LTD

Stone mill milling device for flour production

The utility model belongs to the technical field of flour production, and particularly relates to a stone mill milling device for flour production, which comprises a support frame, a fixed cover fixedly connected to the inner side of the support frame, a lower millstone rotatably connected to the lower part in the fixed cover, and an upper millstone fixedly connected to the inner side of the support frame and positioned above the lower millstone, a feeding hopper is fixedly connected to one side of the top of the upper millstone, a sieving plate is slidably connected to the interior of the feeding hopper, a grinding block is fixedly connected to the exterior of the lower millstone, and a transmission assembly is arranged in the fixing cover; the utility model provides a stone mill milling device for flour production, which solves the problems that wheat raw materials need to be manually sieved before stone mill milling in the prior art, so that the influence of impurities such as straws, stones and the like doped in the wheat raw materials on the flour production quality is avoided, and in addition, the existing milling device only adopts single milling, so that the production efficiency is high. And the ground flour is not fine enough, so that the uniformity of flour particles and the taste of the flour are reduced.
Owner:HENAN CHENGLI GRAIN & OIL MACHINERY

Low-angle aluminum etching liquid composition

ActiveCN121951537AReduce etch ratereduce the angleNitroureaAcetic acid
The invention relates to the technical field of etching solutions, in particular to a low-angle aluminum etching solution composition which comprises the following components in percentage by mass: phosphoric acid, nitric acid, acetic acid, 6-nitrourea pyrimidine, 3-amino-1, 2, 4-triazole and the balance of deionized water. According to the method, nitric acid is used for oxidation, phosphoric acid is used for etching, acetic acid is used for adjusting the pH value of etching liquid, 6-nitrourea pyrimidine and 3-amino-1, 2, 4-triazole are jointly matched to reduce aluminum etching, the etching speed of Al is reduced while the etching speed of a Mo layer is slightly high through combination with Al, the angle is controlled by controlling the etching speed of Mo and Al, and the etching speed of Mo and Al is greatly improved while the Al is effectively etched. The Al angle is reduced as much as possible, and the method has important significance in improving the fineness and the product yield of a panel manufacturing process.
Owner:RUNJING (HEFEI) OPTOELECTRONIC MATERIALS CO LTD

Self-discharge diagnosis algorithm for lithium-ion battery packs based on remaining rechargeable capacity prediction for multi-stage dynamic charging scenarios

This invention discloses a method for diagnosing self-discharge anomalies in energy storage battery packs based on short-term charging data, belonging to the field of battery safety monitoring technology. Addressing the shortcomings of existing methods that rely on complete charge-discharge cycles and are difficult to adapt to multi-stage varying operating conditions, this invention extracts features from multi-stage charging data, combines an autoencoder to achieve adaptive extraction of features under multiple operating conditions, and constructs a data-driven model fused with GCN-BiLSTM (Graph Convolutional Network-Bidirectional Long Short-Term Memory) to accurately estimate the RCC (Remaining Charging Capacity) of individual battery cells. Finally, based on the size, distribution, and changes of the RCC of each individual cell in the battery pack, we can diagnose overall battery pack inconsistencies, individual cell SOC inconsistencies, and self-discharge faults. This provides a guarantee for the safe operation of energy storage systems.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Freight heavy truck driving parameter design method, system, equipment and medium

PendingCN121786519ARealize refined classificationImprove targetingVehiclesDriver/operatorTruck
The invention provides a freight heavy truck driving parameter design method, system and device and a medium, and belongs to the technical field of intelligent driving, and the method comprises the steps: S1, classifying the operation scenes of a freight heavy truck, and collecting the driving parameter data of a driver in each operation scene; s2, preprocessing the collected driving parameter data to obtain a driving parameter sample set; and S3, analyzing the driving parameter sample set by adopting a clustering algorithm, and extracting typical driving parameters in each operation scene. Accurate matching of the driving parameters and the freight scene is achieved, and adaptability, safety and efficiency of the intelligent driving system in a complex freight environment are improved.
Owner:SINO TRUK JINAN POWER CO LTD

Angle-adjustable writing desk based on gear ring meshing locking

ActiveCN224098964UGuaranteed stabilityAngle adjustment is fine and accurateWriting tablesFeetDesk
The utility model discloses an angle-adjustable writing desk based on gear ring meshing locking, which belongs to the technical field of desk angle adjustment, and comprises a desktop, desk legs and an angle adjusting mechanism, the angle adjusting mechanism is arranged on the desk legs, the desktop is arranged on the angle adjusting mechanism, the angle adjusting mechanism comprises a supporting arm, a limiting piece, a locking piece and a twisting piece, an inner gear ring is arranged on the supporting arm, a guide groove is formed in the limiting piece, a first tooth-shaped part is arranged at one end of the locking piece, a second tooth-shaped part is arranged on the side wall adjacent to one end of the locking piece, a tooth column is arranged on the twisting piece, the limiting piece is arranged on one side of the inner gear ring, the guide groove extends into the inner gear ring, and the locking piece is connected into the guide groove in a sliding mode. The torsion piece is rotationally connected to the limiting piece, the tooth column is meshed with the second tooth-shaped part, the torsion piece rotates to drive the locking piece to slide, separation and meshing of the first tooth-shaped part and the inner gear ring are achieved, combination is stable, the angle of the table top is convenient to adjust, and the angle subdivision degree is high.
Owner:GUANGDONG HECHUANG YOUPIN HARDWARE TECH CO LTD

A system and method for evaluating colorectal cancer screening strategies based on high-performance computing.

This invention discloses a high-performance computing-based system and method for evaluating colorectal cancer screening strategies, belonging to the field of medical information processing technology. It includes: a dual-pathway disease model module supporting both adenoma-carcinoma pathways and serrated adenoma pathways, modeled using age-dependent normal distribution progression time; an individualized risk scoring module integrating risk factors such as family history, inflammatory bowel disease, obesity, and diabetes; a screening strategy simulation module supporting combined screening strategies using different tools, employing compliance parameters specific to the Chinese urban population; a high-performance computing module using Numba JIT compilation technology for acceleration, multi-process parallel processing for further acceleration, and data structure optimization such as integer age to reduce memory usage; and a health economics evaluation module calculating indicators such as QALY, LYG, and ICER. This invention achieves significant performance improvements while maintaining model accuracy, greatly reducing simulation time for large-scale populations.
Owner:SHENZHEN NANSHAN DISTRICT CHRONIC DISEASE CONTROL CENT (SHENZHEN NANSHAN DISTRICT MENTAL HEALTH CENT)

Inorganic composite solid electrolyte and method for preparing the same

The application discloses an inorganic composite solid electrolyte and a preparation method thereof, and relates to the technical field of lithium batteries, and specifically discloses an inorganic composite solid electrolyte and a preparation method thereof. The preparation method of the inorganic composite solid electrolyte comprises the following steps: S1, mixing lithium salt, metal oxide A, metal oxide B and ammonium dihydrogen phosphate, wherein the metal oxide B is titanium oxide, and intermittent vibration ball milling is performed to obtain mixed powder; S2, adding lanthanum oxide and germanium oxide into the mixed powder obtained in the step S1, and continuing to perform intermittent vibration ball milling to obtain composite powder; and S3, performing low-temperature sintering on the composite powder obtained in the step S2, and pressing to obtain an inorganic composite solid electrolyte film layer. The preparation method can significantly improve the reaction activity and synergistic effect among raw materials by adopting two-step intermittent vibration ball milling and one-step low-temperature sintering, and the conductivity of the inorganic composite solid electrolyte and the lithium ion transmission performance and cycle life of the solid battery are improved, and meanwhile, no solvent is used in the preparation process, and the sintering cost is reduced.
Owner:WANXIANG 123 CO LTD

Geospatial data governance method and system based on quality control and blood tracing

The application discloses a geospatial data management method and system based on quality control and bloodline tracing. The method comprises the following steps: constructing a unified metadata warehouse, storing model and field metadata, and establishing a model version sequence for different time snapshots; calculating stable identifiers for each version of spatial features through business primary keys or spatial fingerprints generated based on standardized geometry, pairing cross-version features, identifying and recording feature-level spatio-temporal bloodline evolution relationship; then calculating spatial feature cross-time geometry change metrics, combining with the acquisition or inference of legal change reasons, implementing spatio-temporal consistency quality judgment and outputting graded quality inspection results; finally, according to the graded quality inspection results, quality access judgment is performed, a differentiated access control decision is generated, and a quality report is output in association with the feature-level spatio-temporal bloodline. The application realizes automatic bloodline tracing and consistency quality inspection of geospatial data in the version evolution process, and improves the reliability and auditability of data management.
Owner:GUANGDONG FORESTRY INVESTIGATION & PLANNING INST +1

Air outlet structure and vehicle

ActiveCN224689954Ureduce pressureReduce rebound speedGear wheelDamper
The application provides an air outlet structure and a vehicle. The air outlet structure comprises a shell, a damper, a button, a connecting assembly and a buffer assembly. An air outlet channel is formed in the shell. The damper is rotatably arranged in the air outlet channel. The button is slidably mounted on the shell. The connecting assembly connects the damper and the button. The button is provided with a rack. The buffer assembly comprises a damping gear. The damping gear is engaged with the rack. The air outlet structure and the vehicle can improve the operation feeling and reduce abnormal sound.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +1