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1006 results about "Test group" patented technology

Landslide surge height prediction method and system based on sparrow optimization random forest model

The invention relates to the technical field of data driving and landslide surge disaster prevention and control, and discloses a landslide surge height prediction method and system based on a sparrow optimization random forest model.The method comprises the steps that for a target landslide area, a corresponding landslide surge physical model is built, and test groups with different landslide volumes and water depths are set for testing; a corresponding test data set is obtained, and equal-proportion scaling is carried out according to Froude similarity criteria; the method comprises the following steps: preprocessing test data to obtain a corresponding data set, and dividing the preprocessed data set into a training set and a test set; building a sparrow optimized random forest model, setting input values of various parameters, enabling the training set to train the sparrow optimized random forest model, and predicting the maximum height of the landslide surge by using the label data set and the trained sparrow optimized random forest model. The system comprises a data acquisition module, a data division module and a landslide surge prediction module. According to the method, the maximum height of the landslide surge can be accurately predicted.
Owner:HUANENG LANCANG RIVER HYDROPOWER CO LTD +3

Automobile wire harness performance parameter testing system

The invention provides an automobile wire harness performance parameter test system, and relates to the technical field of automobile wire harnesses, the automobile wire harness performance parameter test system comprises a test assembly and a control module, the test assembly comprises a simulation test group and a mute test box, and the control module comprises an acquisition module, an analysis module, a judgment model unit and a visual feedback platform; a simulation system is constructed in the simulation test group, and when the automobile wire harness is installed in the simulation system for operation, operation state parameters of an automobile under different road conditions and environment conditions are simulated; the simulation system is constructed to simulate the running state parameters of the automobile under different road conditions and environment conditions, the change relevance between the running state parameters and the current parameters of the automobile wire harness is analyzed, the reference variable is obtained, the first performance of the automobile wire harness is comprehensively judged, the actual running requirements of the automobile wire harness are met, and the reliability of the automobile wire harness is improved. The sound of the automobile wire harness is synchronously recognized and collected through the mute test box, the abnormal type of the wire harness represented by the sound is recognized, the second performance of the automobile wire harness is judged, and the method is more comprehensive.
Owner:CHAOHU RUICHANG ELECTRICAL SYSTEMS CO LTD

Curtain wall structural adhesive damage detection method and device based on modal difference and digital twinning

The invention discloses a curtain wall structural adhesive damage detection method and device based on modal difference and digital twinning, and belongs to the technical field of digital twinning structural adhesive damage detection and evaluation. The problem that in the prior art, a traditional glass curtain wall structural adhesive damage detection and evaluation method based on the first-order inherent frequency is not sensitive to local boundary adhesive failure, and consequently the specific damage position cannot be positioned is solved. The method comprises the following steps: acquiring vibration data of a group of hidden framing glass curtain walls to be detected and a group of hidden framing glass curtain walls in a lossless state to obtain normal acceleration time history data; primarily screening second-order and third-order inherent frequencies, and judging whether the structural adhesive is damaged or not according to a difference constraint condition; further positioning the damage by using the boundary relative curvature modal difference, and judging whether the current measuring point is a damage point or not; and constructing a digital twinborn model and damage early warning, and outputting a parameter report and a visual damage evaluation result. The method effectively improves the boundary damage positioning precision, and can be applied to glass curtain wall structural adhesive damage detection.
Owner:SHENZHEN URBAN TRANSPORT PLANNING CENT CO LTD

Concrete testing method

The invention relates to the technical field of concrete testing, in particular to a concrete testing method which comprises the following steps: manufacturing a plurality of groups of standard-size concrete test pieces according to a preset concrete mix proportion, and respectively placing the standard-size concrete test pieces under a simulated curing condition and a standard curing condition for curing in a preset curing period to form a first test group and a first control group; based on a plurality of detection points, carrying out a rebound test and an ultrasonic test on the concrete test pieces in the first test group, and determining a high-frequency ultrasonic section to determine an ultrasonic attenuation coefficient of a single concrete test piece, according to the ultrasonic propagation speed, the ultrasonic attenuation coefficient and the detection rebound value, constructing a concrete strength-based correction model to obtain the comprehensive compressive strength of the concrete test pieces in the first test group, and determining the standard compressive strength corresponding to the concrete test pieces in the first control group, and determining an initial influence coefficient of the simulated maintenance condition according to the comprehensive compressive strength and the standard compressive strength. The compressive strength of the concrete structure is effectively tested.
Owner:JIANGSU INST OF GEOLOGY & MINERAL RESOURCES DESIGN

Performance detection method and system for ultra-high performance concrete

The invention relates to the field of concrete performance detection, in particular to a performance detection method and system for ultra-high performance concrete. The method comprises the following steps: firstly, respectively acquiring displacement data of a concrete sample of a test group in a preset time period and penetration resistance data of a concrete sample of a control group in the preset time period, acquiring a first initial setting time period and an initial setting time point of the control group, and correcting the displacement data in each time sub-period to obtain a first initial setting time period and an initial setting time point of the control group; obtaining optimized displacement data of a preset time period, selecting an initial setting moment of the test group according to the change difference between the penetration resistance data on the two sides of the initial setting time point and the optimized displacement data on the two sides of the target time sub-section, and determining the initial setting moment of the test group according to the difference of the optimized displacement data between the termination moment and the initial setting moment of the test group in the preset time period. And obtaining the early-age self-constriction deformation coefficient of the concrete sample. According to the method, the calculation precision of the early-stage self-constriction deformation coefficient of the concrete can be improved, and the accuracy of concrete performance detection is improved.
Owner:CHINA RAILWAY NO 9 BUREAU GRP NO 1 CONSTR CO LTD +2

Intelligent electric meter digital manufacturing platform based on intelligent manufacturing

An intelligent electric meter digital manufacturing platform based on intelligent manufacturing includes: an electric push rod fixedly disposed in a frame and a testing machine disposed on the electric push rod. The testing machine includes a box fixedly disposed on a telescopic shaft of the electric push rod and a testing component disposed in the box. A first pulley drives two ends of a pulling rope to move from a middle end of a side wall of the pulling rope through driving of a servo motor. This makes an end of the pulling rope pull a testing probe to move upwards, the other end of the pulling rope pull the other testing probe to move downwards, allowing it move to a bottom of the box. This design avoids affecting testing efficiency due to the need to replace or maintain the testing probes, facilitating subsequent testing of an intelligent electric meter.
Owner:CHANGSHU INSTITUTE OF TECHNOLOGY

Systems and methods for single-cell omics analysis with data-driven batch inference

PCT designated stage expiredWO2025096862A1BiostatisticsProteomicsAlgorithmTest group
Systems and methods for batch correcting single-cell abundance data obtain a measurement value of each feature in a plurality of features originating from each cell in a plurality of cells. The cells collectively originate from a plurality of samples. Feature measurements for each cell are used to cluster the cells into clusters. Cluster assignments of each cell and an identity of a sample in the plurality of samples from which each cell originated are used to compute sample-level local inverse Simpson index (LISI) scores penalized by a measure of importance of cells in each sample. Scores are scaled and ordered before application of a Dixon's Q-test groups them into one or more groups. For each respective group, a common batch assignment is applied to each of the samples in the respective group.
Owner:MT SINAI SCHOOL OF MEDICINE +2

Multi-channel sampling value consistency correction method and system of power system device

The invention relates to the technical field of power system devices, and provides a multi-channel sampling value consistency correction method and system of a power system device, and the method comprises the steps: carrying out the test grouping of channels of the same type in the device, and appointing a test grouping reference channel; specifying unique reference channels of the same type in the device; specifying a unique reference channel of the device; calculating to obtain first relative values of all channels in the test group; calculating to obtain second relative values of all channels in the same type; calculating to obtain a module value relative value in the third relative values of all channels in the same type; calculating to obtain a phase difference in the third relative values of all channels in the same type; calculating to obtain a relative time difference; storing the third relative value of each channel and the relative time difference of each channel as correction parameters; calculating to obtain a sampling value after consistency correction; and calculating to obtain a phasor value after consistency correction. According to the invention, the problem of inconsistent multi-channel sampling values of the power system device can be effectively solved.
Owner:NANJING GUODIAN NANZI POWER GRID AUTOMATION CO LTD

Circuit board testing method and device based on flying probe tester

The invention provides a circuit board test method and device based on a flying probe tester. According to the method, a test point set is determined by obtaining a design file of a circuit board, establishing an electrical connection model and identifying components and pins on the circuit board. And generating test combination set data by analyzing the conduction relationship between the test points, and further generating test scheme data. And based on the test scheme data, a test path is generated by using a path optimization algorithm, finally, the flying probe tester is used for testing, and a test report is generated according to a test result. The flying probe tester adopts the combination of an annular probe and a sharp needle probe, the annular probe is used for a pin connector to ensure accurate contact, and the sharp needle probe is used for other types of components to improve the test precision and adaptability. Compared with a traditional test method, the test scheme can be generated more efficiently, the test path can be optimized more efficiently, the test time is remarkably shortened, and the reliability and accuracy of circuit board testing are improved.
Owner:SHANGHAI RAILWAY COMM

Test method for CAF test module of printed circuit board

PendingCN119291472AImplement CAF resistance testing requirementsbig spaceElectronic circuit testingHigh densityPrinted circuit board
The invention provides a test method for a CAF test module of a printed circuit board. The module test method comprises the following steps: S1, forming a test hole matrix on the printed circuit test board; s2, bonding pads are connected to the test holes, and the bonding pads are connected in an inclined mode through wires; s3, conducting wires are led out from each group of obliquely-arranged bonding pads at intervals, the conducting wires in the adjacent directions are connected in series, and the two testing wires are connected through an intersection point; s4, connecting the two test lines with test equipment respectively; the test module is not only suitable for a conventional through hole printed board, but also suitable for a high-density HDI board, the CAF-resistant test requirements of different hole wall distances are met by adjusting different hole diameters due to the fact that multiple groups of different hole center distances are covered, the distances are large enough, the selectable space is large for the test condition requirements of 500V and 1000V, and due to the fact that the number of test holes is increased, the test efficiency is greatly improved. And an inclined test combination is more harsh than a standard test, and is more persuasive for the reliability test of the high-performance printed circuit board.
Owner:TIANJIN PRINTRONICS CIRCUIT CORP

Energy storage and heat conduction structural adhesive testing device and method

The invention discloses an energy-storage heat-conducting structural adhesive testing device and method, and belongs to the technical field of material thermal performance test.The energy-storage heat-conducting structural adhesive testing device comprises a bearing plate arranged on a pipeline stand column and a plurality of testing sets located on the bearing plate, and each testing set comprises a master control box, a pressure sensing assembly, a heating assembly and a guiding assembly; the pressure sensing assembly can perform intelligent pressure control on a to-be-tested sample, heat-conducting property deviation under different pressures is eliminated, the heating assembly adopts a graphene heating film to realize an automatic frequency modulation function, so that the heating temperature is uniform and constant, and the guiding assembly comprises a pressing plate, a guiding column, an electromagnet and a strong magnet which are located above the heating assembly. According to the invention, axial and planar heat conduction performance tests can be carried out on the to-be-tested sample, simultaneous multi-station tests are also realized, the accuracy of comparison tests under the same working condition is ensured, and the test precision and the working stability of the heat conduction performance of the to-be-tested sample are improved.
Owner:SHENZHEN YONGTAI DIGITAL ENERGY TECH CO LTD

Gear detection equipment

The utility model discloses a gear detection device which comprises a frame body, a standard component mechanism, a test piece mechanism and a plane sliding table mechanism, the standard component mechanism comprises a standard gear piece and a load element, and the load element is connected to the standard gear piece to provide load torque for the standard gear piece. The test piece mechanism comprises a test assembly and a detection device, the test assembly is installed on the frame body and is used for fixing a test gear piece, the detection device is installed on the test assembly so as to collect and analyze data in the operation process of the test assembly, and the plane sliding table mechanism is installed on the frame body. According to the gear detection equipment provided by the technical scheme of the utility model, the torsional vibration sensor is adopted to measure torsional vibration, and the circular grating is adopted to measure transmission errors, so that single-meshing detection of a gear with a load can be realized, and the accuracy of a detection result can be further improved.
Owner:SHANGHAI AUTOMOBILE GEAR WORKS +1

EMC (Electro Magnetic Compatibility) test method and test system for electronic parts

The invention relates to the field of equipment testing, and discloses an EMC testing method and system for an electronic product, and the method comprises the steps: obtaining product information, obtaining an EMC testing strategy of the product in a cloud data server, and enabling the EMC testing strategy to comprise an EMI testing strategy and an EMS testing strategy; the method comprises the following steps of: obtaining products to be tested from produced products according to a set proportion, dividing the products to be tested into an EMI test group and an electromagnetic sensitivity test group, carrying out electromagnetic emission test on the electromagnetic emission test group, carrying out electromagnetic sensitivity test on the electromagnetic sensitivity test group, and according to an electromagnetic sensitivity qualification rate and an electromagnetic emission test qualification rate, carrying out electromagnetic sensitivity test on the products to be tested. And obtaining the qualified rate of the to-be-tested product according to the product classification and the qualified rate, obtaining the EMC data of the to-be-tested product, and completing the EMC test of the electronic product. The EMC performance qualification rate of the product is obtained by comprehensively evaluating the results of the electromagnetic emission test and the electromagnetic sensitivity test, and powerful support is provided for quality control of the product.
Owner:SHENZHEN HUALONG XUNDA INFORMATION TECH CO LTD

Automatic test fixture for wireless router firmware

The utility model discloses an automatic test fixture for wireless router firmware, which belongs to the technical field of router testing and comprises a base, a rotating motor is fixedly mounted at the top of the base, an output end of the rotating motor is fixedly connected with a rotating table, four mounting tables are uniformly and fixedly connected to the top of the rotating table, and the mounting tables are fixedly connected with the rotating table. A clamping assembly used for fixing a router is arranged on each mounting table, a test table fixedly connected with the base is arranged on one side of the rotating table, a test assembly is arranged on the test table, the multiple mounting tables are arranged, the rotating motor drives the rotating table to intermittently rotate, each time the rotating table rotates, one mounting table is driven to be away from the test table, and the test assembly is arranged on the test table. One mounting table is aligned with the test table, the other mounting table is aligned with the test table, and then the router is subjected to a plugging test through the test assembly, so that the test work can be continuously carried out, the empty time of loading and unloading is saved, the overall working efficiency is greatly improved, and the use requirements on the existing market are met.
Owner:SHEN ZHEN CHUNG DA ELECTRONIC CO LTD

Automatic test device and automatic test method for voltage detection chip

The invention provides an automatic test device and an automatic test method for a voltage detection chip. The automatic testing device comprises a reference voltage source, a cascade control unit, a first interface conversion module and a controller, and the reference voltage source is used for providing reference voltage for chips in each testing group; the cascade control unit is used for distributing numbers for the corresponding test groups, so that the test groups are tested according to the sequence of the numbers, and target chips in the test groups are gated according to a gating command of the controller; the first interface conversion module is connected between the controller and the cascade control unit, and the first interface conversion module is used for sending a gating command to the cascade control unit, obtaining a voltage sampling value of a target chip and sending the voltage sampling value to the controller; and the controller is configured to control the reference voltage source to provide reference voltage for the plurality of chips in the plurality of test groups, and send a gating command to the cascade control unit according to a test mode.
Owner:SHANG HAI DA & XIN YUAN WEI DIAN ZI YOU XIAN GONG SI

Curtain wall structure adhesive damage detection method and device based on modal difference and digital twinning

The application discloses a curtain wall structure adhesive damage detection method and device based on modal difference and digital twinning, and belongs to the technical field of digital twinning structure adhesive damage detection and evaluation. The application solves the problem that the traditional glass curtain wall structure adhesive damage detection and evaluation method based on the first-order natural frequency cannot locate the specific position of damage due to the insensitivity to local boundary delamination. The application collects vibration data of the test group of hidden frame glass curtain walls and the non-damage state group of hidden frame glass curtain walls to obtain normal acceleration time history data. The second-order and third-order natural frequencies are preliminarily screened, and whether the structure adhesive is damaged is judged through the difference constraint condition. The boundary relative curvature modal difference is used to further locate the damage, and whether the current test point is a damage point is judged. A digital twinning model and damage early warning are constructed, and a parameter report and a visual damage evaluation result are output. The application effectively improves the boundary damage positioning accuracy and can be applied to glass curtain wall structure adhesive damage detection.
Owner:SHENZHEN URBAN TRANSPORT PLANNING CENT CO LTD

Conductive performance testing device for component packaging

The invention discloses a conductive performance testing device for component packaging, and relates to the field of conductive performance testing, the conductive performance testing device comprises a conveying mechanism, an automatic feeding mechanism and a testing mechanism, the testing mechanism comprises a testing platform and a vacuum material taking pipe, the testing platform is located under a hollow feeding box, the vacuum material taking pipe is slidably installed on the testing platform, and the vacuum material taking pipe is connected with the conveying mechanism. The vacuum material taking pipe has the degree of freedom of moving in the height direction of the testing platform, a testing circuit board is arranged in the testing platform, a testing plate is installed on the testing platform, testing holes are formed in the positions, corresponding to pins of the packaging part, of the testing plate, testing assemblies are arranged in the testing holes, and each testing assembly comprises a hollow testing pipe and a conducting strip. The hollow test tube is fixed in the test hole, the conducting strip is arranged in the hollow test tube in a sliding manner, the conducting strip has a degree of freedom of moving along the height direction of the hollow test tube, and the conducting strip is connected with the test circuit board through a wire, so that the packaged component can be stably communicated with the test circuit board, and the conductivity of the packaged component can be accurately tested.
Owner:SICHUAN HONGZHI YUANDA TECH CO LTD

Chip analysis method and device and readable storage medium

The invention provides a chip analysis method and device and a readable storage medium, and the method can divide a plurality of to-be-tested chips into a plurality of to-be-tested groups, test the to-be-tested chips in each to-be-tested group in sequence and determine a first statistical parameter, and also can test the to-be-tested chips in the to-be-tested groups after the to-be-tested chips in the to-be-tested groups are all tested. And generating a second statistical parameter based on the test result, thereby generating a corresponding optimization suggestion report and stopping the test when the first statistical parameter or the second statistical parameter meets a corresponding preset condition. The scheme provided by the invention can adapt to test requirements of chips of different numbers and types, ensures that chip analysis has better regularity and reliability through grouping test, can timely find test problems and improve the overall quality of the chips, generates a corresponding optimization suggestion report, provides a specific improvement direction, and improves the test efficiency. And an engineer is helped to quickly position a problem and formulate a solution, so that a subsequent test strategy is flexibly adjusted.
Owner:HANGZHOU ACCELERATION CLOUD INFORMATION TECH CO LTD

Radar processing module test system

The invention provides a radar processing module test system, and belongs to the technical field of lightning protection, and the test system comprises a test tool which is used as a carrier plate for testing a processing module and is used for providing high-speed PCIE bus interface test resources; and the hardware core machine is used for integrating the test function module and the main control unit, test software is configured in the main control unit, the test software adopts a layered architecture design, and the test software with the layered architecture comprises an application layer, a network layer and a virtual driving layer. The radar processing module test system provided by the invention adopts test software with a layered architecture, and has the attributes of flexibility, high reusability and high expansibility, and a test program is independent of a test component. When the test assembly needs to be replaced, a new instrument driving program can be used under the condition that the test program is kept unchanged, so that the total cost of creating and maintaining the test program is reduced.
Owner:LEIHUA ELECTRONICS TECH RES INST AVIATION IND OF CHINA

USB (Universal Serial Bus) data line testing device for protecting joint

The invention relates to the technical field of USB data line testing, and discloses a USB data line testing device for protecting a connector, the USB data line testing device comprises a supporting bottom plate, a testing assembly used for testing a USB data line is arranged on the supporting bottom plate in a turnover manner, and the testing assembly comprises a detection unit and a detection head slidably connected in the detection unit; a clamping assembly is arranged at one end, far away from the turnover shaft, of the detection unit, and is used for clamping and fixing a connector of the USB data line to be tested; the bottom of the detection unit is provided with a vibration assembly used for knocking the clamping assembly and the connector of the USB data line in the clamping assembly. According to the invention, the screw rod and the guide shaft are arranged, the adjacent moving seats are linked through the driving of the screw rod and the connecting rod, the multiple groups of detection heads are driven to move and slide in the detection unit until the detection heads are plugged with the USB data line connector for testing, the plugging of an operator is not needed, and the damage of the connector caused by violent plugging of the operator is effectively avoided.
Owner:NINGBO YINZHOU ZHUOSHENGAO ELECTRONICS TECH CO LTD

Method for optimizing layout pattern and semiconductor wafer

A layout optimization method and a semiconductor wafer are provided. The method includes: generating adjusted patterns corresponding to a first layout pattern; generating a layout optimization test group according to the adjusted patterns, wherein the layout optimization test group includes first and second clusters of test pattern arrays, the first cluster include first test pattern arrays in accordance with one of the adjusted patterns and different from one another in terms of capacity, and the second cluster include second test pattern arrays in accordance with another one of the adjusted patterns and different from one another in terms of capacity; forming the layout optimization test group on a wafer; performing an electrical inspection on the first and second pattern arrays, and determining a best manufacturing solution from the adjusted patterns according to the electrical inspection.
Owner:WINBOND ELECTRONICS CORP

Method for testing untoward effects of cosmetics

The invention belongs to the technical field of cosmetic testing, and discloses a method for testing untoward effects of cosmetics, which comprises the following specific steps: step 1, sample analysis: selecting a target cosmetic to be tested, performing component analysis on the target cosmetic, screening out suspicious components, recording and separating, and determining a sample to be detected; and preparing the separated target cosmetic suspicious components into paste with the same concentration as a test sample, and numbering the test sample. According to the method, four test groups are arranged, suspicious components of a to-be-measured target cosmetic are analyzed and extracted and then made into patches, and then different patches are divided into the four test groups to be subjected to a spot patch test and a light spot patch test at the same time; and finally, evaluating according to the analysis result to determine the adverse reaction caused by the suspicious components of the target cosmetic, so that the test efficiency of the to-be-tested target cosmetic can be improved, and the adverse reaction caused by the suspicious components of the to-be-tested target cosmetic can be analyzed more accurately.
Owner:AFFILIATED HUSN HOSPITAL OF FUDAN UNIV

Vehicle controller testing device and method

The embodiment of the invention provides a vehicle controller testing device and method. The test cabinet receives a feedback signal sent by the vehicle controller and sends an indication signal associated with the feedback signal to the upper computer, when the upper computer receives the indication signal sent by the test cabinet, the indication signal is displayed on a test control interface, the test control interface comprises a plurality of test assemblies, and the test assemblies are connected with the test cabinet. Each test assembly is used for testing at least one vehicle controller. A test control interface of the upper computer is composed of a plurality of test assemblies, and a user can select different test assemblies to construct the test control interface for different vehicle controllers; a plurality of signal channels are arranged in the test cabinet and are used for transmitting different types of test signals; through the cooperation of the upper computer and the test cabinet, test environments of various vehicle controllers can be quickly established, and the test environments can be deleted from the software level after the test is completed, so that the test efficiency of the vehicle controller is improved, and the test cost is reduced.
Owner:SAIC GM WULING AUTOMOBILE CO LTD

Composite limitation test control method and device for source table

The invention discloses a composite limit test control method and device for a source table. The method comprises the following steps: firstly, responding to a digital trigger signal to initialize a source table test system, and setting test working parameters and limit test group parameters; then, the currently obtained measurement data is sequentially compared with each limiting test group parameter to obtain a comparison result; executing a limiting test comparison process according to the enabling starting state identified by the obtained comparison result; and finally, outputting a test result signal corresponding to each limiting test group parameter. Due to the fact that the source meter is changed from a single measuring instrument to an intelligent testing and control node on a production line, real-time data analysis and decision making are achieved through composite limitation, seamless linkage with the production line is achieved through output testing result signals, and finally full-automatic, high-efficiency and high-reliability production testing and sorting are achieved.
Owner:SHENZHEN CITY SIGLENT TECH

Probe card tip condition detection method, probe card tip condition detection structure, wafer and wafer test method

The invention provides a probe card tip condition detection method, a probe card tip condition detection structure, a wafer and a wafer test method, and relates to a probe card tip condition detection method, which comprises the following steps: determining a plurality of probes to be tested of a probe card; a plurality of probe pads are determined, and a metal wire structure is arranged between every two probe pads in sequence so as to be connected to form a test circuit; probes to be tested are inserted into the corresponding probe pads for contact connection; dividing and designing a plurality of test groups based on the positions of the probe pads in the test circuit, and measuring the contact resistance of the to-be-tested probes and the corresponding probe pads; and judging the tip state of the to-be-tested probe based on the contact resistance of the to-be-tested probe and the corresponding probe pad. The probe point condition of the probe card is monitored by using an electrical test means, so that the test cost is reduced, and the test accuracy and the detection efficiency are further improved.
Owner:SEMITRONIX

Method and system for optimizing production process of recycled lightweight aggregate concrete wallboard

The invention relates to the field of building materials, in particular to a recycled lightweight aggregate concrete wallboard production process optimization method and system.The method comprises the steps that a building solid waste set and a carbonization box are obtained, crack scanning analysis is conducted on solid waste samples, a recycled concrete set is obtained, the recycled concrete set is crushed and cleaned, initial aggregate is obtained, n comprehensive test groups are obtained, and n is a positive integer; carrying out carbonization analysis on the aggregate sample based on the comprehensive test group and the carbonization box to obtain a sample carbonization value, taking the comprehensive test group corresponding to the maximum sample value as an optimal test group, carrying out carbonization treatment on the initial aggregate based on the optimal test group and the carbonization box, carrying out water absorption performance test on the recycled aggregate, and calculating the addition amount of the recycled aggregate. And obtaining a target concrete wallboard based on the recycled aggregate addition amount and the recycled aggregate, and completing production process optimization of the concrete wallboard. According to the invention, the automation degree of recycling the lightweight aggregate can be improved, and the product quality of the finally produced concrete wallboard is improved.
Owner:GUANGZHOU PEARL RIVER DECORATION ENG CO

Method and system for evaluating health state of power equipment

The embodiment of the invention provides a method and system for evaluating the health state of power equipment, and belongs to the technical field of artificial intelligence. The method comprises the following steps: acquiring an inspection record of each component of the power equipment; performing quantitative scoring on each inspection record to obtain an inspection record matrix of the power equipment; obtaining a maintenance record of the power equipment; performing quantitative scoring on the maintenance records to obtain a maintenance matrix of the power equipment; matching and comparing the inspection record matrix and the maintenance matrix to obtain a minimum health state assessment period; dividing the inspection record matrix and the maintenance matrix according to the minimum health state evaluation period to obtain associated data of inspection records and health states; randomly splitting a data set formed by the associated data to obtain an iteration group and a test group; generating a weight sequence according to the iteration group by adopting a preset weight iteration algorithm; and testing the weight sequence by adopting the test group to determine whether the weight sequence is qualified or not.
Owner:STATE GRID HUNAN ELECTRIC POWER CO +3

Pipeline application strength testing equipment

A pipeline application strength test device relates to the technical field of pipeline structural strength test, and comprises a test box, the test box is a horizontally arranged square box, and the test box is internally provided with a conveying transfer assembly, an appearance detection assembly, a bending pressure test assembly and an air tightness detection assembly; each transverse side end face of the test box is provided with a square feeding and discharging port, and the size of the feeding and discharging port is larger than the outer diameter of the test pipeline. The problems that when detection equipment in the prior art is used for testing the performance strength of a pipeline, appearance detection is not comprehensive, a bending pressure testing part is inconvenient to adjust, the pipeline is inconvenient to transfer in the continuous testing process, the testing sequence is not reasonable, and consequently detection errors are caused, and airtightness testing operation is inconvenient are solved.
Owner:GUICHANG INTELLIGENT (SHANDONG) CO LTD

Display substrate, display device and contact resistance test method

The embodiment of the invention provides a display substrate, a display device and a contact resistance testing method. The display substrate comprises a display area and a first frame area located on at least one side, the first frame area comprises at least one test group, each test group comprises a plurality of driving test bonding pads, a plurality of binding test bonding pads and a plurality of test signal lines, and in the same test group, each binding test bonding pad comprises a plurality of binding test bonding pads and a plurality of test signal lines. The binding test bonding pads are located on the sides, away from the display area, of the driving test bonding pads, the multiple binding test bonding pads correspond to the multiple test signal lines in a one-to-one mode, and one binding test bonding pad is electrically connected with one driving test bonding pad through the corresponding test signal line. One driving test bonding pad is electrically connected with at least one binding test bonding pad through at least one test signal line, and the plurality of driving test bonding pads are located at positions adjacent to the plurality of binding test bonding pads. According to the technical scheme provided by the embodiment of the invention, the resistance of the test signal line can be reduced, and the accuracy of testing the contact resistance of the driving bonding pad can be improved.
Owner:BOE TECHNOLOGY GROUP CO LTD +1

Sealing waterproof performance testing device of microsensor

The invention discloses a sealing waterproof performance testing device for a micro sensor, and relates to the technical field of sensor sealing performance testing, and the sealing waterproof performance testing device comprises a testing assembly which comprises a testing box with a testing cavity and an opening at one side, a tray arranged in the testing cavity, and a spraying pipe arranged above the tray; wherein the spraying pipe is an arc bent pipe, nozzles are arranged on the inner concave face of the spraying pipe, the nozzles can discharge water in the radial direction of the spraying pipe, the spraying pipe is rotationally arranged in the testing cavity, and an adjusting assembly used for controlling the spraying pipe to rotate so that the nozzles can discharge water in the direction of the tray is arranged in the testing cavity. Liquid is injected into the tray through the spraying pipe, the sensor to be detected can be rapidly submerged, the bubble generation condition is observed, whether the sensor has cracks or not is judged, and the detection efficiency is improved; and by arranging the liquid return assembly, liquid in the tray flows back to the water tank, recycling of the liquid is achieved, resources are saved, and waste is reduced.
Owner:ELECTRIC POWER RES INST OF GUANGXI POWER GRID CO LTD +1