333 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 an automatic test method, system and device applied to a WSDL sending interface and a medium, and the method comprises the steps: associating a single test case into various scenes through a scene page preset parameter rule, and verifying the coupling between interface response and scene logic in real time during automatic execution; a WSDL interface definition and parameterization rule engine is dynamically analyzed, and automatic execution of multiple test cases is achieved; encrypted feedback data flow returned by an interface is captured in real time, key indexes are dynamically analyzed and extracted, automatic comparison and root cause tracing are carried out based on a multi-dimensional verification rule, and a test report is generated. According to the method, the problems that interface testing depends on manual coding, the process is split and the maintenance cost is high in aerospace engineering can be solved, zero-code rapid verification, forward and reverse closed-loop testing and interface change self-adaptive maintenance are achieved, and the aerospace software testing efficiency and reliability are remarkably improved.

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 belongs to the field of mechanical performance testing, and relates to an intelligent testing method for the fatigue performance of a wet brake, which comprises the following steps of: acquiring real-time operation data of the wet brake under the condition that a load is applied by a loading device in a testing process by deploying a multi-source monitoring array; generating a fatigue stress distribution diagram representing the stress state of a preset test area of the wet brake based on working condition fusion analysis, correspondingly identifying a failure early warning signal representing the current fatigue damage stage so as to dynamically adjust the parameters of a loading device, and adjusting the stress state of the wet brake in the loading intermittent period of a single test cycle period. The fatigue performance response effect of the wet brake under the action of the current loading strategy is analyzed, the correction direction of the loading strategy of a secondary test cycle is determined, test convergence is achieved through iterative optimization, the consistency of a test result and a real fatigue damage rule is improved, meanwhile, the test efficiency and evaluation precision are improved through closed-loop regulation and control and a self-adaptive iterative framework, and the test accuracy is improved. And a reliable basis is provided for fatigue performance evaluation of the wet brake.

The invention provides a sleeve testing device and a strength checking and correcting method, and relates to the technical field of offshore high temperature and high pressure, and the device comprises a temperature control system which is used for providing a steady-state high-temperature simulation environment and a transient high-temperature simulation environment for a sleeve sample; the loading system is used for applying axial, radial and internal loads to the casing sample; the monitoring system is used for monitoring a surface temperature field, inner wall strain and leakage of the casing sample; and the data processing and control unit is respectively connected with the temperature control system, the loading system and the monitoring system. The method adopts the device and comprises the following steps: selecting a casing sample, fixing a sensor and completing initial calibration; heating the whole casing pipe and keeping the temperature constant, and applying instantaneous thermal shock to a specific area; synchronously applying axial, radial and internal loads; cooperatively monitoring the temperature field, the strain and the leakage rate to form an associated database; and correcting the safety coefficient. The invention solves the problems of single test temperature and insufficient load coupling of the traditional casing, and is suitable for casing performance evaluation.

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 invention discloses an automatic test and evaluation method of a load identification algorithm, and discloses a system with the automatic test and evaluation method of the load identification algorithm. According to the automatic test and evaluation method of the load identification algorithm, system construction is carried out from three aspects of test scene construction, scene complexity grading and intelligent evaluation, and self-adaptive construction and complexity calculation of a load identification test scene and multi-dimensional evaluation of the load identification algorithm are realized. The training and verification of the load identification model can complete standardized test evaluation without depending on a large amount of home-entry actual measurement data, the problems that a traditional method is single in test scene, scene complexity cannot be evaluated, and evaluation standards are not uniform are solved, and the quantifiable evaluation level and engineering application reliability of the load identification technology are effectively improved.

The invention discloses a power semiconductor board-level test system and method, and belongs to the technical field of power semiconductor device test. According to the system, a reactive aging test and a dynamic characteristic test are creatively integrated on a single test platform, and the problems of low efficiency and high cost of a traditional substation test are solved through modular design. The system comprises a multifunctional test head arranged at a test station and capable of being connected with a power terminal and a signal terminal of a power module at the same time; the reactive load loop is formed by a three-phase adjustable reactor; the high-precision signal acquisition module comprises a flexible current probe and a differential voltage probe; the oscilloscope realizes multi-channel synchronous acquisition; and accurate control is realized based on the main control board card of the FPGA. According to the testing method, Vge, Vce, Ic and other parameters are collected in real time in the reactive aging process, online monitoring of dynamic characteristics is achieved through a current triggering mechanism, and a fault recording function is achieved.

The invention discloses an intelligent commanding and testing integrated system for hydropower station debugging, and relates to the technical field of hydropower station equipment debugging and operation testing. Based on the physical connection relation and debugging parameters of the water turbine and the speed regulator, a three-dimensional function sub-region model is constructed, a multi-test-mode working condition database is established, through the effect recognition module, the system can construct and judge key indexes in each test mode, and the test efficiency is improved. Whether the problems of resonance effect, guide vane hysteresis, water attack abnormity and disturbance deviation exist or not is automatically recognized, a corresponding early warning instruction is sent out, and a closed-loop link from'phenomenon recognition 'to'reason tracing' is achieved. According to the method, whether a single test is qualified or not can be judged, the collaborative imbalance risk coefficient in the ith test mode can be further calculated, the risk level between collaborative effects is evaluated according to the collaborative imbalance risk coefficient, and intelligent adjustment of a test strategy is supported.

A corrosion protection monitoring system having multiple test point monitors (2200) for monitoring the corrosion protection of a structure (5000) at synchronous timing of instant off or low power of corrosion protection units by coordination of internal clocks to an external clock (5100), (5200), wherein simultaneous interruption for say one second, allows simultaneous measurement at every single test point at an instant off or low electrical potential. Use of such multiple synchronous testing to provide cloud-based feedback control of optimising setpoints.

The invention discloses a test incentive generation method and device, equipment, a storage medium and a product, and belongs to the technical field of artificial intelligence chips, the method comprises the steps that a test case is acquired, the test case comprises multiple pairs of equipment identifiers, and each pair of equipment identifiers comprises an equipment identifier of one piece of master equipment and an equipment identifier of one piece of slave equipment; selecting a first excitation constraint set matched with the master device from the master device constraint set according to the device identifier of the master device in each pair of device identifiers, and selecting a second excitation constraint set matched with the slave device from the slave device constraint set according to the device identifier of the slave device in each pair of device identifiers; and according to the first excitation constraint set and the second excitation constraint set corresponding to each pair of device identifiers, generating a test excitation, the test excitation being used for testing a communication path from one master device to one slave device. According to the invention, a single test case can test a plurality of communication paths, and the number of the test cases is obviously reduced.

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 provides a battery thermal runaway test system, which comprises a battery, a gas outlet pipe, a first thermocouple, a second thermocouple, a first gas detection device, a gas mass flow meter, a voltage detection device, a pressure detection device and the like, the second end of the gas outlet pipe is communicated with an inlet of a gas mass flowmeter, a second thermocouple is arranged at an outlet of the gas mass flowmeter, and a first gas detection device is arranged at the outlet of the gas mass flowmeter. According to the invention, a plurality of parameter measuring devices are arranged on an air flow spraying path of the battery pressure release valve, so that synchronous acquisition of key parameters such as voltage, expansive force, spraying speed, gas concentration and temperature in the thermal runaway process of the battery is realized, and the problems of single traditional test parameter and asynchronous data are solved; and the multi-physical field coupling data of the whole thermal runaway process can be completely obtained.

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 discloses master-slave integrated MVB (Multifunction Vehicle Bus) simulation test equipment based on an FPGA (Field Programmable Gate Array) and an MCU (Microprogrammed Control Unit). An FPGA chip, an MCU chip and an MVB communication physical layer circuit are arranged in an equipment body; an MVB master logic unit and an MVB slave logic unit are integrated in the FPGA chip; the MCU chip is in communication connection with the main logic unit and the MVB slave logic unit; and the MVB communication physical layer circuit is used for realizing conversion between a logic level signal output by the FPGA chip and an EMD signal of an MVB bus. The MVB main logic control unit sends an MVB main frame according to the port traversal table stored in the port table unit; and after the MVB slave logic data and state control unit obtains the sending control right of the MVB sending control unit, the MVB slave logic unit sends or receives data with the MVB bus. The device number and cable connection are reduced, the deployment time of the test system is shortened, and the single test duration is shortened.

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.

This invention discloses a glass non-destructive testing system based on data analysis. The invention relates to the field of glass testing technology. It obtains a set of test images of a glass product by repeatedly capturing images of the bottle body during a step-rotating process using an image acquisition module. A test data interaction module crops several images within the test image set, reducing its size. This accelerates the defect detection speed and efficiency of a single glass product. A defect analysis unit analyzes stored defect analysis data to determine redundant image numbers that can be quickly identified. This ensures that the overlapping areas retained in the test image set are the overlapping areas with the optimal recognition rate, reducing the transmission rate of the test image set and saving resources for the glass defect detection model in recognizing image data from a single test image set.

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.

This invention discloses a functional testing device and method for trackside precision equipment in the rail transit industry. The functional testing device includes: an industrial control computer; a network switch connected to the industrial control computer; and at least one chassis containing multiple test boards, which are either A-series or B-series test boards for trackside precision equipment. The A-series and B-series boards have identical structures. The multiple test boards are communicatively connected to the industrial control computer via the network switch. The industrial control computer sends control commands to perform individual function tests and interlocking logic comprehensive tests on each test board. Its advantages are: this functional testing device can perform individual function tests and interlocking logic comprehensive tests on the test boards of trackside precision equipment; it can test the main functional modules of the test boards, ensuring complete and stable board functions and performance; simultaneously, it can perform interlocking logic comprehensive tests to test multiple test boards, improving board testing efficiency and the timeliness of reproducing board problems.

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.

This invention provides a method for testing helicopter connection structures in an atmospheric environment characterized by sequentially subjecting test pieces to low-temperature fatigue testing, sand and dust testing, temperature shock (low-temperature) testing, UV-condensation testing, and salt solution spray-drying testing. This method significantly improves the effectiveness of these tests, enabling a more rapid and accurate assessment of the adaptability of helicopter skin riveted structures in such an environment. The results closely match those obtained from tests conducted in a natural parking state. A single test cycle can simulate a helicopter riveted structure parked outdoors in an atmospheric environment characterized by high temperatures, dust, and sand.

The application discloses a corner module test bench, which solves the technical problem of single test equipment. The corner module test bench comprises a test platform, a vehicle body simulation piece, a steering measurement device, a road surface simulation test device and a controller. The test platform comprises a base and a mounting rack. The vehicle body simulation piece is arranged on the mounting rack and is in sliding connection with the mounting rack, and is used for being connected with the corner module. The steering measurement device comprises a chuck and one or more detection arms. One or more position sensors are arranged on the detection arms. The road surface simulation test device comprises a support base, a plurality of protrusions and a driving mechanism for driving the plurality of protrusions to move. The controller is electrically connected with the position sensors, the driving mechanism and the corner module to be tested. The corner module test bench can perform multiple tests, and multiple tests can be performed through one test bench. The structure is compact, the operation is simple, and the corner module test bench is suitable for corner modules of different specifications. The test method is various, and various performance indexes of the corner module can be evaluated.

This invention provides a high-temperature resistance testing system for flat pre-embedded wire harnesses. The testing system includes a high-temperature testing module and a test data processing module. The high-temperature testing module includes a single-item testing unit and a superimposed testing unit. The single-item testing unit is used to perform tensile and high-temperature tests on the wire harness under test for single-parameter detection. The superimposed testing unit is used to perform two or more parameter tests on the wire harness under test. This invention first obtains a basic parameter of the wire harness by performing single-item tests on temperature resistance and tensile strength, and then simultaneously performs multiple parameter tests on the wire harness. This can demonstrate the impact of adding other influencing factors under high-temperature conditions on the service life of the wire harness, thus solving the problem that existing high-temperature testing methods for wire harnesses are too simplistic and cannot comprehensively demonstrate the performance under high-temperature conditions.

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.