242 results about "Single test" patented technology

The invention discloses an electrical safety test data analysis method and system for an electrical cabinet, and relates to the technical field of electrical measurement and test. The method is used for solving the problems of single test dimension, poor anti-interference capability and inaccurate fault positioning in the safety test of the electrical cabinet. Firstly, multi-channel electrical parameter synchronous acquisition is triggered based on a working condition event, real discharge and interference signals are distinguished through time-frequency analysis, and a time sequence incidence matrix of discharge pulses and load currents is established; then, analyzing phase distribution characteristics of partial discharge, calculating a correlation coefficient between a discharge repetition rate and a load current, and dynamically adjusting a weight to generate an insulation state comprehensive test index; further, insulation degradation characteristics are extracted through signal decomposition, and an insulation degradation trend and a fault probability are predicted in combination with energy entropy analysis and discharge mode recognition; and finally, the position of a fault component is analyzed and positioned based on the impedance network, and a maintenance priority sequence is generated according to the fault probability and the degradation rate.

The invention discloses a multi-dimensional power consumption test method and device for a solid state disk and a storage medium, and the method comprises the steps: controlling a test environment parameter and the solid state disk to enter a preset initial state in response to a test start instruction; based on a test matrix which predefines a plurality of temperature and capacity occupation combinations, controlling a test device to apply a multi-dimensional dynamic working load to the solid state disk, and synchronously acquiring power consumption data, internal state data and performance data; performing time synchronization and data fusion on the collected multi-source data to form an associated data set; and performing intelligent analysis on the data set, extracting power consumption characteristics of the solid state disk, and generating a power consumption evaluation report based on the power consumption characteristics. According to the method, the problems of single test dimension, incomplete test condition coverage, failure in effective fusion of multi-source data and lack of intelligent analysis in the prior art are solved, and comprehensive, accurate and automatic evaluation of the power consumption of the solid state disk is realized.

The invention relates to an ultrasonic radar aging test method, system and device and a medium. The method comprises the following steps: acquiring a batch configuration file and a corresponding test scheduling table, and performing initial calibration on each to-be-tested AK1 sensor based on the scheduling table to obtain a baseline parameter set of the sensor; configuring an excitation-observation sequence according to the batch configuration file and the baseline parameter set to obtain a test plan, and executing a single test cycle according to the test plan to obtain original sampling data; preprocessing the original sampling data to obtain an observation vector and an event mark, and performing state estimation on the observation vector and the driving excitation corresponding to the observation vector to obtain a state estimation and residual error sequence; based on a preset validity criterion, performing validity judgment on each observation vector according to the event mark and the residual sequence to obtain a valid sample set; and performing health degree evaluation based on the effective sample set and state estimation to obtain an aging test report. By adopting the method, the accuracy of the radar aging test can be improved.

The application provides a kind of automobile fastener wire material tension testing device, it is related to tension testing device field, comprising: indicating component, the indicating component is by conversion mechanism and displacement sensor composition, test component can realize the tension testing of automobile fastener wire material, material is in the tension testing simultaneously, indicating component can real-time monitoring the deformation degree of material, test data is comprehensive and efficient, and indicating component can automatically control the opening and closing of deformation monitoring function according to test state, solve the single test effect of the tension testing device of existing automobile fastener wire material, since automobile fastener wire material has ductility, existing tension testing device can not record monitoring the deformation of material when testing, test data is not comprehensive enough.

The utility model relates to the technical field of building material test piece manufacturing equipment, in particular to a test piece batching tool for a proportioning test of construction waste roadbed filling soil, which comprises a frame body, a front cover, a partition plate, an unloading drawing plate, a drawing plate film and a film roller, wherein the front cover is mounted at one end of the frame body, the unloading drawing plate is mounted at the lower part of the frame body, the frame body, the front cover and the unloading drawing plate form a batching box with an upper opening, and the partition plate is mounted in the frame body and used for partitioning the space in the batching box; the material supply proportion is controlled through the partition plate, weighing operation is converted into measurement operation, the operation process is simplified, meanwhile, the installation angle and position of the partition plate are changed, continuous change of the proportion of a single test piece can be achieved, the function of testing indexes of test pieces with different proportions at different positions of the same test piece is achieved, the manufacturing amount of the test pieces is reduced, and the cost is reduced. And the efficiency of related work is improved.

The invention discloses a relay protection plug-in automatic simulation test method and system based on a universal backboard. The method comprises the steps that a relay protection plug-in to be tested is connected to the universal backboard; semantic information in the relay protection configuration file of the plug-in is analyzed and extracted, a corresponding test data model is dynamically constructed, and a matched operation scheme is generated; on the basis of the operation scheme, real-time simulation parameters are set, and a multi-dimensional excitation signal is applied to the plug-in through the universal backboard so as to simulate various operation conditions of the power system; and acquiring response data of the plug-in under the excitation signal through the universal backboard, and comparing the response data with an expected response to obtain a test result. According to the invention, plug-in level universal testing is realized, special debugging instruments of various models can be replaced by a single testing system, and the operation and maintenance efficiency and the spare part management level of the relay protection device are remarkably improved.

The invention provides a nuclear power generator compactness test method. The nuclear power generator compactness test method comprises the following steps: S1, cleaning; and the to-be-detected product is comprehensively cleaned. S2, preparation before measurement; and the end socket and the cover plate are assembled to ensure that the product forms a sealed cavity. And S3, carrying out an airtight test. And S4, preliminary inspection. And S5, carrying out a hydrostatic test. And S6, performing secondary inspection. And S7, reducing the pressure. And S8, dismounting the end socket and the cover plate, and completing the detection. By combining the airtight test and the hydrostatic test, the compactness of the nuclear power generator can be comprehensively detected, a detection blind area possibly existing in a single test method is effectively avoided, a special pressure boosting and reducing mode is adopted for hydraulic pressure detection, the accuracy and reliability of a test result are guaranteed, welding residual stress can be effectively eliminated, and the reliability of the nuclear power generator is improved. And the sealing performance and the structural stability of a nuclear power generator product are obviously improved.

The application relates to the technical field of vehicles, in particular to a test method and device of an electric drive system, electronic equipment and a storage medium, wherein the method comprises the following steps: obtaining an electric drive test requirement of a to-be-tested electric drive system; controlling a load simulator, an environment simulator, a simulated charging pile and a battery simulator to provide at least one test state for the to-be-tested electric drive system according to the electric drive test requirement; obtaining test information output by the to-be-tested electric drive system in the corresponding test state, so as to generate a test result according to the test information. Thus, the problem of single test dimension and insufficient dynamic performance evaluation in the electric drive boost charging test method is solved, the real complex working condition is reproduced by synchronously applying electrical, thermal and control multi-dimensional stress, the dynamic response capability and control robustness of the system are quantitatively evaluated through step disturbance and transient mode switching, and the fault detection rate and the research and development efficiency are improved.

The present disclosure relates to a system for a test. More particularly, the present disclosure relates to a continuous loadable module-typed system for a test, a computer readable storage medium containing instructions to configure a processor to enable a continuous loadable module-typed system for a test, and a method for testing a sample. The exemplary embodiment of the presently disclosed system may be configured to support (i) single tests, (ii) batch tests, (iii) syndromic tests and / or (iv) combination tests. In addition, the exemplary embodiment of the presently disclosed system automatically processes and tests samples based on identification information, without requiring the user to classify and load the samples according to test type.

A drug testing platform for simulating a lung environment includes a microfluidic chip and a stretching device. The microfluidic chip defines a microfluidic channel structure. The microfluidic channel structure includes a test unit, a cell shunt unit and a drug shunt unit. The stretching device is configured to stretch and contract the test unit in a manner of a reciprocal motion, thereby making degree of deformation of a plurality of test area of the test unit to be same during the reciprocal motion. The drug testing platform for simulating the lung environment according to the present disclosure may configure an environment that simulates a breathing motion of a human lung, and obtain multiple results within a single test.

The invention discloses a design method of a kit for detection and the kit, and relates to the technical field of nutritional index detection.The kit comprises a kit body, a plurality of hole sites are formed in the kit body and used for containing a pipetting device, a sample and a reagent solution in the testing process, and the hole sites integrate all functions needed by single testing; and a unique bar code is correspondingly arranged on the surface of the kit body. When the kit is used, all reagents needed in the single-person testing process are independently packaged in the multiple hole sites of the kit respectively, the reagents are used in a single time, a user does not need to make contact with other parts of reagents, and cross contamination between samples and the reagents is reduced from the source. And each kit is used corresponding to a single test, so that the problem of long-term opening when a reagent bottle is matched with an instrument interface in the prior art can be avoided, and reagent pollution factors are reduced. The accuracy and the reliability of a detection result are further improved through the multi-hole-site arrangement.

The invention relates to the technical field of computers, in particular to a test case generalization method for automobile network and data security, which comprises the following steps: collecting and preprocessing multi-source heterogeneous data, fusing the data to construct a dynamic risk feature model to extract an attack vector, and constructing a layered scene space based on real-time topology of a vehicle-mounted network; a two-channel generalization engine is utilized, unknown threat scene cases are generated by means of a structure causal model, and variation is injected into nodes of a protocol syntax tree to generate fuzzy test cases so as to enrich case types; a reinforcement learning framework is introduced to dynamically optimize a test path, and a closed-loop feedback mechanism is adopted to expand high-risk scene nodes, so that the multi-source heterogeneous data processing capability is effectively improved, the unknown threat simulation capability is enhanced, the test efficiency is improved, and the problem that a test method in the prior art is incomplete in multi-source heterogeneous data processing and poor in reliability is solved. The technical problems of influence on subsequent analysis accuracy, single test case generation type, lack of unknown threat simulation and low test efficiency in the prior art are solved.

The invention discloses a method for testing the interface bonding strength of a core strand and an outer-layer steel wire of a rubber-coated steel cord. The method specifically comprises the following steps: preparing a sample, stably placing the prepared qualified rubber-coated sample, cutting off a fusing section at the end part of the steel cord, separating the core strand from the outer-layer steel wire, removing the outer-layer steel wire by adopting a special wire cutter, and completely retaining the central core strand for testing. Setting equipment parameters, and inputting the serial number and the structural specification of the sample and the nominal diameter of each component steel wire in a software interface of the test system; mounting and testing the sample, starting the tension testing machine, and recording as the extraction force F of a single test with the unit of N; and data processing: taking the average value as a final evaluation index in the data processing. Compared with the prior art, the method has the advantages that by simulating the actual interface environment of the vulcanized steel cord in the tire, the maximum force, namely the extraction force, of the central steel wire extracted from the rubber coated sample at a constant speed is measured, so that the direct and objective quantitative evaluation on the bonding performance under the participation of rubber is realized.

The invention relates to the technical field of multi-intelligent task analysis, and discloses a power distribution network real field multi-influence coupling and interference configuration test method, system and device and a medium, and the method comprises the steps: enabling a complex multi-influence scene design to be rapidly completed without programming through a scene sequence control unit, and reducing the configuration difficulty and human errors; a multi-influence-quantity physical simulation unit and a communication interference simulation unit are combined to establish a basic operation condition which is completely consistent with an actual topology, and result distortion caused by a traditional isolated test is avoided; a plurality of controllable aging simulations are accurately superposed on a real working condition, an equipment degradation process is accelerated and reproduced, evolutionary faults are injected according to a preset time sequence, communication interference can be synchronously superposed, and extreme scenes of field multi-factor linkage, fault development and communication abnormity coupling are truly reproduced. The problem of deep maloperation or refusal operation which cannot be exposed in the traditional single test can be fully shown; the problems of incomplete and inaccurate real-model field measurement and low efficiency in the prior art can be solved.

A multi-functional small punch test device and method. The device comprises: a driving unit, a loading unit, a first fixing unit (3), a second fixing unit (6), a third fixing unit, a detection unit, a temperature control unit and a control unit, wherein the driving unit drives, on the basis of a driving signal, the loading unit to move; the first fixing unit (3) fixes the loading unit, and the second fixing unit (6) cooperates with the third fixing unit to fix a circular sample (10); the detection unit performs force displacement detection on a sample to be pressed, the sample to be pressed including a plurality of punch balls; and the temperature control unit executes temperature adjustment control on the basis of a control signal which is output by the control unit. In a single test, mechanical property parameters of materials are determined on the basis of a plurality of sets of data, which has high reliability. In addition, the problem of the monotonous test temperature for existing fixtures can be solved, and the mechanical property parameters of a plurality of materials at a specific temperature can also be acquired in a single test, which prevents repeated tests and significantly improves the test efficiency.

The invention discloses a durability testing device for a refrigerant sharing type compressor, and relates to the technical field of compressor testing. The compressor testing device comprises a plurality of single testing assemblies, each single testing assembly is provided with a tested compressor, and the single testing assemblies are arranged on a total testing assembly in parallel; each single test assembly is composed of a refrigerant loop formed by connecting a plurality of refrigerant pipelines, a mixer and an oil separator are arranged on the loop, and an oil outlet of the oil separator is connected with an oil inlet of a tested compressor through an oil circulation pipeline. And an air suction port and an air exhaust port of the tested compressor are lapped on the refrigerant loop through refrigerant pipelines and are communicated with the refrigerant loop. The system is high in configuration flexibility, due to the fact that refrigerants are supplied in a centralized mode, the middle pressure can be controlled, large and small systems can be flexibly configured on a single station, working conditions of different capacity sections can be conveniently tested, and the working condition stability is guaranteed. Meanwhile, different concentrative liquid storage tank condensers can store different refrigerants, and testing and switching of the different refrigerants are facilitated.

The method for detecting condensation characteristics provided by this invention involves multiple tests on the same sample, with state parameter values ​​as variables. Each single test step involves first adjusting the test rod to the initial sinking position [M], then allowing the test rod to freely sink from the initial sinking position [Me] while a timer starts timing [Sr]. The timer stops timing [Sp] when the test rod sinks to the characteristic depth [Cd], and the timing value [Ti] is obtained as the sinking time for this test. Finally, the state parameter value of the measured characteristic point is calculated using the data sequence of the relationship between the measured sinking time at the characteristic depth and the state parameters. Compared with existing technologies, this invention replaces the method of measuring the sinking depth of the test rod within a fixed sinking time with the method of measuring the sinking time at a fixed sinking depth, improving the convenience and reducing the cost of error control. The Vicat apparatus developed accordingly is low-cost, simple to operate, and has lower error.

The invention provides a laser radar optical performance comprehensive detection device and method, relates to the technical field of laser radar detection, and aims to solve the technical problems of single test function, insufficient universality and low test efficiency in the prior art. The device comprises a collimator objective lens used for focusing a laser light source emitted by a laser radar system; the spectroscope is used for dividing a light path of the collimator objective lens into two orthogonal conjugate focal planes; the charge-coupled device detector is arranged at the position of one conjugate focal plane and is used for receiving the laser light source focused by the collimator objective lens; the test laser light source is arranged at the position of the other conjugate focal plane and is used for generating a laser light source with the wavelength consistent with that of the laser radar system so as to simulate laser echoes at infinity; wherein the test laser light source is configured to move along the corresponding conjugate focal plane, and the optical performance of the laser radar system can be comprehensively detected by adjusting the moving position of the test laser light source.

The present application relates to the technical field of torque detection, in particular to a kind of torque sensor and testing machine thereof, including test platform, sample, transfer frame, installation base and gripper disc, the transfer frame is installed in the middle part of test platform by sliding fit mode, and the upper portion of test platform is fixedly installed with transfer cylinder, and the telescopic end of transfer cylinder is fixedly connected with transfer frame, and the bottom of transfer frame is fixedly installed with installation base, and sample is fixedly placed in installation base, and sample is located directly below transfer frame, and the bottom of transfer frame is movably installed with gripper disc, and gripper disc is in contact with sample.The torque testing machine can detect the change of torque during bolt tightening or disassembly, solve the problem that traditional torque testing machine is difficult to simulate bolt actual assembly environment, clamping mode and stress state during testing bolt torque, and the problem of single test function and small applicable scene range.

In a test method, first test operations are performed on semiconductor products mounted on a test board to determine whether each semiconductor product is normal or defective. The test board includes a plurality of test channels, and two or more semiconductor products share a single test channel. A test map representing results of the first test operations is generated. The test map is divided into a first region and a second region, and the first region identifies semiconductor products that share the same test channel and have been determined to be completely defective. The second region identifies semiconductor products other than those identified in the first region. Using information of the first region and the second region, a first probability model, and a second probability model, a second test operation is performed to determine whether defects of semiconductor products included in the first region are board-related defects caused by characteristics of the test board.

The utility model provides a cell freezing storage device. The cell freezing storage device comprises a storage tank and a tank cover, an upper cover plate is arranged at the upper end in the storage tank; a supporting column is rotationally arranged in the middle of the inner bottom of the storage tank, multiple sets of test tube fixing pieces are evenly arranged on the outer side wall of the supporting column in the circumferential direction, and each set of test tube fixing piece comprises an upper fixing ring fixed to the outer wall of the supporting column and a lower fixing support slidably connected with the outer wall of the supporting column; pull rings are evenly arranged on the surface of the supporting column, the lower end of each pull ring is connected with a traction piece, and the traction pieces are slidably arranged in the supporting column in a penetrating mode and can drive the second supporting rods at the lower ends of the traction pieces to slide up and down. According to the utility model, an operator can conveniently take a single test tube without influencing the cryopreservation state of other test tubes; test tubes can be taken and placed on the upper cover plate, cells are convenient to take and place, and an operator does not directly contact a cell storage area, so that the operator is effectively prevented from being frostbitten; when an operator takes and places the cells, the operator does not directly contact with the cell storage area, so that bacteria can be prevented from being generated in the cell storage area.

The application discloses a kind of multi-dimension power consumption test method, equipment and storage medium of solid state disk, the method includes: in response to test start instruction, control test environment parameter and solid state disk enters preset initial state;Based on the test matrix of multiple temperature and capacity occupation combinations being predefined, control test equipment to apply multi-dimension dynamic work load to solid state disk, and synchronously collect power consumption data, internal state data and performance data;The multi-source data collected are time-synchronized and data fusion, form associated data set;Intelligently analyze the data set, extract the power consumption characteristics of solid state disk, and generate power consumption evaluation report based on it.The application solves the problems of single test dimension, incomplete test condition coverage, ineffective fusion of multi-source data and lack of intelligent analysis in the prior art, and realizes comprehensive, accurate and automated evaluation of solid state disk power consumption.

This utility model discloses a test bench, comprising: a mounting frame; a sliding member slidably connected to the mounting frame, the sliding member being capable of reciprocating relative to the mounting frame along a first direction, the sliding member being used to connect to a first end of a wire harness; a first driving mechanism connected to the sliding member, used to drive the sliding member to slide along the first direction; a rotating member rotatably connected to the mounting frame, the rotating member being capable of reciprocating relative to the mounting frame around a rotation axis extending along the first direction, the rotating member being used to connect to a second end of the wire harness; and a second driving mechanism connected to the rotating member, the second driving mechanism being a crank-rocker mechanism, used to drive the rotating member to rotate around the rotation axis. This utility model allows the vertical movement and horizontal sway durability tests of wheel speed sensors to be performed simultaneously on a single test bench, reducing the number of test benches required. Simultaneously, it can completely simulate the actual operating conditions of an on-vehicle, ensuring the accuracy of the test data. This utility model also provides a testing device.

The invention relates to the technical field of sliding table testing, in particular to a three-axis sliding table automatic testing system and method, electronic equipment and a storage medium. The system has the advantages that the Python script is integrated with the mechanical sliding table control module, the image recognition module and the report generation module, full-closed-loop automatic testing from button pressing to result analysis is achieved, and manual operation errors are eliminated. Compared with a traditional manual method, the test efficiency is improved by more than 80%, the single test period is shortened from 8 seconds to 1.5 seconds, the method is particularly suitable for a ten thousand secondary service life test scene, the labor cost is remarkably reduced, full-process automation and test efficiency improvement are achieved, and the consistency of pressing actions is ensured by combining a dynamic G code generation technology with pressure sensor feedback; through the multi-scale SSIM algorithm and histogram equalization processing, the identification accuracy of 98% is still kept when the illumination change is + / -500 lux, the problem of misjudgment caused by ambient light interference in a traditional method is solved, and the high-precision control and environment anti-interference capability is improved.

The invention provides a low-cost wafer testing method. Through the innovative test method, that is, a plurality of actual dies are combined into one test die in the test process, the total number of gss dies needing to be identified by the probe station is effectively reduced, so that the existing probe station adaptive to the 8-inch wafer can test the 8-inch wafer with more gss dies, the use of a high-price 12-inch wafer probe station is avoided, and the wafer test cost is reduced.

A kind of automobile suspension control arm single test tool, including bottom plate, the bottom plate is equipped with big bushing installation support, small bushing installation support, shock absorber simulation installation support and three-way loading tool, big bushing installation support is equipped with big bushing installation seat, small bushing installation support is equipped with small bushing installation seat, shock absorber simulation installation support is equipped with shock absorber simulation swing arm installation seat, swing arm is rotatably connected on the shock absorber simulation swing arm installation seat, three-way loading tool includes a "C" type loading seat, the outside of the "C" type loading seat is equipped with the installation seat of X, Y, Z three-way loading arm respectively, one end of the X, Y, Z three-way loading arm is connected with "C" type loading seat respectively through installation seat, and the other end is connected with an actuator respectively, the opening of "C" type loading seat is connected and fixed by a bolt rod, the lower inner side wall of "C" type loading seat is equipped with a control arm ball pin fixed hole.

This invention relates to the field of elevator assembly performance testing technology, specifically proposing an automatic safety testing device for elevator components. The device includes a testing platform, a linkage frame horizontally slidably mounted on the testing platform, a vertical test component mounted on the linkage frame, and a horizontal test component mounted on the linkage frame. The vertical test component includes two vertically opposite test components and a transposition component mounted between the two test components. The device provided by this invention can test the safety strength of elevator landing doors. The testing platform can be used to fix the elevator landing door to be tested, and it can perform comprehensive testing of the elevator landing door under both vertical and horizontal force application directions, including multiple individual tests. This improves the comprehensiveness and operability of the test, as well as the standardization and uniformity of the test, ensuring the accuracy and reliability of the test results.

The invention relates to the technical field of electric energy meter composite detection, in particular to an electric energy meter composite environmental influence test device, method and system. The test device comprises a high and low temperature damp heat test box, a multifunctional integrated detection device, a fast transient pulse train generator and a lightning stroke surge generator, the output end of the test device is connected to a power port and a signal port of a to-be-tested electric energy meter, and the four parts are controlled to work cooperatively. The stress applying device is used for synchronously or alternately applying high-temperature and high-humidity environment stress, electromagnetic interference stress, actual load stress and reclosing operation stress to the to-be-tested electric energy meter. The multi-stress coupling real working condition reproduction is realized on the hardware level, the authenticity and severity of the test are greatly improved, potential defects which are difficult to expose in a single test can be excited, and the method has the advantages of high authenticity, comprehensive detection and high practicability.

A motherboard testing and monitoring method, system, medium, and product based on ARM devices are disclosed, relating to the testing field of structural components or devices not included in other categories. The method includes: responding to a test start command by closing the power-on pin of the device under test (DUT) to trigger its power-on; acquiring voltage data from the power indicator pin of the DUT to determine its power-on startup state; capturing real-time frame images of the display screen after the DUT enters and maintains the preset power-on startup state for a preset duration; performing feature matching calculations on the real-time frame images to determine the display content on the screen and generating a system fault record; generating a normal power-on record and triggering the DUT to power off when the operating system loading characteristics are met; and generating a single test completion record and triggering the next round of testing after the voltage data drops to the shutdown state. Implementing this application can improve the accuracy of fault type attribution for the entire power-on / off process of a computer motherboard.

The invention relates to construction and application of a mesoscopic nonlinear fracture model for predicting rock fracture characteristics based on seamless Brazilian discs. Aiming at the technical problems that in the prior art, tensile strength and fracture toughness need to be tested separately, size effect exists and prefabricated crack introduction errors exist, a microscopic nonlinear fracture model is constructed, the virtual crack propagation amount is calculated according to the size of a test piece and the maximum particle size of rock, then nominal stress is deduced through a moment balance equation, and the tensile strength and the fracture toughness are tested separately. And finally, synchronously solving the tensile strength ft and the fracture toughness KIC without the size effect. According to the invention, a single test replaces two traditional tests, cracks do not need to be prefabricated, the test efficiency and accuracy are remarkably improved, and reliable material parameters are provided for engineering application.