60results about How to "Save test time" patented technology

A rigidity detection system of four-column bogie of railway vehicles relates to railway vehicle performance detection equipment, which is designed for detecting the key kinetic parameters of bogie of railway vehicles under various motion states. The system comprises a mechanical system, a hydraulic system, a test system and a control system, wherein the mechanical system includes a gantry system (A) in frame structure composed of a crossbeam (1) and a vertical pillar (2), a five-degree-of-freedom force application system (F) composed of a simulated vehicle load pressure plate (5), a simulated vehicle load pressure column (4) and a simulated vehicle gravity center height adjusting mechanism (3), and a wheel pair positioning and clamping system (B) for clamping and positioning a rotation frame; the hydraulic system (E) includes a cylinder with vertical, longitudinal and transverse effects on the rotation frame; the test system includes a three-dimensional force detection system (G) and a rotation frame displacement detection system (C); and the control system is mainly composed of a hydraulic control system, an electric control system and a computer system.

The invention pertains to airplane fatigue and damage-tolerance testing technologies, and relates to a damage-tolerance testing method for the whole wing spar of an airplane. The method comprises the steps of: (I) choosing a part with large load from the whole wing spar for serving as a testing part examining segment, (II) producing two same testing parts according to the examining segment, (III) reserving an interval of 20 to 30mm between the two back-to-back testing parts which are respectively provided with a coating in the upper part and the lower part (the coating is connected with an upper spar edge strip and a lower spar edge strip to form a case segment), (IV) fixing the root of the testing case segment completing assembly on a load-bearing wall, (V) exerting concentrated load at one end of the testing parts to simulate the bending moment of the spar at the testing segment and the shearing force of a web, without considering the influence of the shearing flow of the coating and (VI) using a finite element method to conduct damage tolerance analysis on the testing parts and comparing testing results. The method solves the difficulty that the crack expansion and remaining strength of the present airplane whole wing spar structure lack theoretical evidence; and the design of the testing parts adopts a method of simultaneously conducting tests to the two back-to-back testing parts, thereby eliminating the distortion of a single spar.

A product service life rapid test method based on a physical model comprises the steps of determining an equivalent environment profile; determining acceleration test conditions; determining an upper quality specification limit of the test; and determining a plurality of groups of sampling plans (n, c) under the given reliability and user risk. According to the method, the degradation physical model and acceleration tests are combined, so that forming of service life rapid test schemes of products of different types can be effectively guided, and whether the batch of products can meet service life index requirements under specified utilization conditions and environment conditions is tested within a short time. The stability rapid test method for product performance parameters is provided through the performance parameter physical model, so that the test sample size and test time can be saved, and research and development costs can be reduced; and by means of the acceleration test method, product batch production test time can be greatly shortened, and test procedures can be simplified.

The invention discloses an accelerated degradation testing method for a nitrile rubber O-shaped sealing ring based on step stress, which includes the concrete steps: firstly, preliminarily testing the nitrile rubber O-shaped sealing ring; secondly, determining an accelerated simulation model and the stress level of a formal test; thirdly, testing step-stress accelerated degradation of the nitrilerubber O-shaped sealing ring; fourthly, arranging degradation data; and fifthly, building an accelerated degradation model for predicting the reliable life of the sealing ring. By means of applying the step stress, testing cost and testing time can be greatly reduced, and an example verification failure mechanism is unchanged. Evaluation of the degradation data is based on a plurality of degradation paths of a plurality of test specimens, errors caused by difference among the specimens can be greatly reduced, and the reliability of evaluation results is higher than that of aging life prediction.

This invention relates to a method for testing RFID chips with digital signal and RF signal emit / identification circuit including that a digital signal generator of a test system generates a digital signal to generate a RF signal in conformity with the ISO standard by the RF signal emit / identification circuit, when the chip receives the said signal, it generates a return signal to be captured by the identification part of the RF signal emit / identification circuit and converted into a digital signal to be sent to the test system for judgment and comparison finally, thus reducing test cost and saving time.

The invention provides an efficient string type deep sea environment testing device. The efficient string type deep sea environment testing device is used for performing medium-and-long-term deep sea environment exposure tests in the 500-3,000 m deep sea water environment and can perform multi-form corrosion and aging tests of metal materials, so that the deep sea environment tests can be carried out more efficiently and more flexibly. The device comprises ropes, sample frames, a buoy and a bottom anchor block, wherein the sample frames are connected with the adjacent ropes to form a straight line, one end of the straight line is connected with the buoy, and the other end of the straight line is connected with the bottom anchor block through a releaser; the sample frames are made of titanium or titanium alloys, and samples for the tests are modularly mounted on the sample frames. The efficient string type deep sea environment testing device performs the tests at the 500-3,000 m seabed, the multiple sample frames are connected to form a string, the samples are modularly mounted on the sample frames, the distance between adjacent sample frames is flexibly adjusted according to the exposure depth required by the tests, different types of samples can be selected for the exposure tests at different depths in the same sea area simultaneously, marine operation time is shortened, and the marine operation intensity is reduced.

The invention discloses an automatic test method and device for a DHCP (Dynamic Host Configuration Protocol) function of a router. The method comprises: step S010, creating and opening a test result record file; step S100, logging in an internet setting page of the router, configuring the router in a DHCP mode and storing the mode; step S200, testing a DHCP function test item, executing next step when the test succeeds, otherwise, writing the test result into the record file, and executing step S500; step S300, testing connection test items of the DHCP function item by item, and writing the test results into the record file according to the return values of the test items; step S400, judging the overall test result of the DHCP function according to the return value of each connection test item and displaying the overall test result; and step S500, ending the test of the current router. The automatic test method and device for the DHCP function of the router fulfill the purpose of reducing the automatic test time and cost of the DHCP function of the router.

The invention discloses an automatic transmission gearshift quality test board rack comprising the following parts: a drive motor; a load motor; a to-be-tested automatic transmission with an input endconnected with the drive motor, the output end of the automatic transmission is connected with a main reducing gear, an inertia flywheel and the load motor in sequence via a transmission shaft; a controller connected with the drive motor, the load motor and the to-be-tested automatic transmission, and used for controlling the drive motor, the load motor and the to-be-tested automatic transmissionand outputting a test result. The invention also provides an automatic transmission gearshift quality test board rack correction method so as to improve the testing precision; the invention also provides an automatic transmission gearshift quality test board rack gearshift quality evaluation method capable of making weighted analysis of the automatic transmission gearshift quality, thus providingmore comprehensive evaluation.

The invention discloses a moonlet test basic information generation method based on a platform model. The moonlet test basic information generation method comprises the following steps: firstly, establishing digital platform models for different types of moonlet common platforms; according to the type of the common platform of a moonlet to be tested, selecting the corresponding digital platform model; according to the digital platform model, establishing a basic information database for the moonlet; according to the requirements of the subsystem of the moonlet to be tested, carrying out adaptability revision on information in the basic information database; adding the basic information of a loading subsystem and a data transmission subsystem into the revised basic information database; obtaining the test basic information database of the moonlet to be tested; and extracting the basic information which needs to be tested from the test basic information database of the moonlet to be tested by ground comprehensive test application software through an information retrieval extraction system for subsequently testing the moonlet. When the method is applied, the basic information database does not need to be established for each moonlet, test time and cost is saved, and a test period is shortened.

The invention provides a large sample-loading amount multifunctional deep sea environment sample frame, a test device and a test method. The design of the sample frame meets requirements of simultaneously performing deep sea environment corrosion aging tests of plenty of materials at a specific depth. The number of standard samples capable of being loaded is 300 to 600, and environment tests of components and simulation parts can be carried out. Modularized design is adopted for material corrosion standard sample installation, and samples first form a sample string and then are fixed to the sample frame, so as to achieve effects of facilitating on-site installation and sampling. Corresponding tool clamps can be designed for non-standard samples according to shapes (pipe fittings, flanges and spheres and the like). The device can simultaneously carry out corrosion aging tests of plenty of materials and components and is high in test efficiency. Environment testing devices are integrated, so that more environment parameter data can be obtained. Modularized design is adopted for sample assembly, installation and replacement operations during marine operation are facilitated, laying time is reduced, and marine test safety is improved.

The present invention relates to a multi-functional vibration device comprising rotating frame assemblies disposed vertically at the left and right parts, a mounting plate assembly disposed horizontally between the rotating frame assemblies, and a test bed interface assembly located at the bottoms of the rotating frame assemblies. The two ends of the mounting plate assembly connected to the rotating frame assemblies are respectively provided with a rotating shaft at the central part and limiting bosses at the end parts. The multi-functional vibration device provided by the invention can realize the vibration requirements of the test product in three directions, and can also realize the vibration test of multiple products at the same time, satisfy the multiple requirements of the reliability enhancement test on the vibration direction of the product, and realize a multi-purpose device. The test time and the test cost are saved.

The invention discloses a heat distortion temperature measuring method for thermoplastic sealing stripes for furniture, comprising the following steps of: preparing a circular wind oven, a test board, a timer and samples; setting right temperature for the circular wind oven and putting the circular wind oven into the test board; after the temperature is stabilized to a set value, putting one sample, and observing for ten minutes in the terms of a graduated scale; if the sample has no distortion after ten minutes, raising the temperature, and observing for ten minutes again; if the sample has no distortion, raising the temperature again, and observing again; raising the temperature of 5 DEG and observing for ten minutes each time, till the sample starts distorting, and the temperature at the moment is the heat distortion temperature of the sample; and averaging values of all samples. The measuring method adopts the circular wind oven, the test board, the graduated scale and the like and controls the temperature by the circular wind oven so as to be used for directly measuring the heat distortion temperature of plastic sealing stripe products, and therefore the measuring method is simple and visual. The measured result self comes from the actual products, and thus the measured result is accurate. In addition, as the whole measuring method is simple, the testing cost and the testing time are greatly saved.

The invention discloses a test method and a test apparatus of a communication load. The method comprises steps that the test apparatus receives test data transmitted by a host computer and transmits the test data to a tested module, wherein the test apparatus is used for simulating work states of a driving controller of a communication load, the test data is used for testing a test state of the tested module in the communication load, and the test state is a test state in the above work state; the test apparatus acquires a current test state from the tested module; the test apparatus transmits the acquired current test state to the host computer. With the test method and the test apparatus of the communication load, problems of relatively long period and relatively high cost of a full machine test in related technologies are solved; when the communication load is being tested, no full machine test is needed, and only tests of modules in the communicated load are needed; therefore, a test process is simplified, and a test period is shortened and the test cost is reduced.

A test system and a test method thereof. The test system includes an electronic device and a test device. The electronic device includes a plurality of output interfaces and provides a corresponding test signal via the output interfaces according to a group of operation commands. The test device includes a transforming unit, a multiplexer unit, a processor unit and a plurality of test interfaces which are respectively coupled to the output interfaces. The transforming unit transforms the test signals received via the test interfaces. The multiplexer unit selects the transformed test signals. The processor unit controls the multiplexer unit to select one of the transformed test signals, and determines whether the transformed test signal being selected conforms a predetermine condition for generating a test result signal. The processor unit controls the communication unit to transmit the test result signal to the electronic device according to the test result signal.

The embodiment of the invention discloses a reliability recognition method, device and equipment for a satellite electronic product and a storage medium. The reliability recognition method comprises the following steps: determining average fault interval time MTBF of the satellite electronic product and a judgment rule of the MTBF on the basis of a reliability index of the satellite electronic product; acquiring environmental stress data of the satellite electronic product during in-orbit operation, and determining an acceleration test stress model and an acceleration factor of the acceleration test stress model according to the environmental stress data; and determining acceleration test time under different confidence coefficients and different numbers of fault parts of the satellite electronic product based on the judgment rule and the acceleration factor, and performing an acceleration reliability recognition test on the satellite electronic product according to the acceleration test time. According to the embodiment, the reliability index of the satellite electronic product can be accurately evaluated within a short test time, the test time and cost are saved, and the productdevelopment period is shortened.

The invention discloses a testing device and method for material dynamic response testing under high axial overload, relates to a testing device and method for material dynamic response testing underhigh axial overload, and belongs to the field of material experiment mechanics under the high axial overload. The testing device comprises a testing bullet, artillery and a recycling device; the testing bullet comprises a testing device body for high axial overload testing of a material, a transformed standard bullet shell and a tested material full-size charge; the artillery is used for horizontally shooting the testing bullet to provide a shooting high axial overload environment; the recycling device is used for decelerating and recycling the testing bullet within the limited distance on thepremise that it is guaranteed that the structure of the testing bullet is complete, and testing data recycling is achieved; and the recycling device serves as a shooting target of the artillery. According to the testing device and method for material dynamic response testing under the high axial overload, recurrence of the shooting high axial overload environment is achieved, and effective testing data recycling is achieved.

The invention relates to a radar image processing and interpretation technology, and in particular relates to a feature extraction method used for extracting superpixel-level features of a polarization SAR (Synthetic Aperture Radar) image. According to the method in the invention, the superpixel-level features of the polarization SAR image are extracted by utilization of a spatial pyramid poolingmodel; all scales of features of various feature layers in a superpixel block can be connected in series, so that overall features of the superpixel block are obtained; the superpixel-level feature extraction time is greatly reduced; requirements on a classifier are reduced; and a polarization SAR image classification result is improved.

A time dependent dielectric breakdown test structure includes a plurality of test units connected in parallel between a constant voltage and a ground. Each of the plurality of test units includes a dielectric test sample connected to the constant voltage; and a current restraint unit connected between the dielectric test sample and the ground, for restraining a breakdown current from flowing on the dielectric test sample after the constant voltage has broken the dielectric test sample.

The invention discloses a multi-aircraft coordinated combat simulation control apparatus. The apparatus comprises a power supply control module, an emission control module, a software loading control module and an address bit control module, wherein the power supply control module provides power supply control for aircrafts; the emission control module obtains discrete magnitude signals from a power supply input end and emits control instruction signals through a delay relay and switches to realize emission control of the aircrafts; the software loading control module performing software loading on simulation systems I, II and III; and the address bit control module is connected with the corresponding switches and carries out address bit control thorough controlling whether the switches are connected with an address loop. The apparatus substantially reduce preparation time before a test, the workload, operation personnel and simulation time, and ensures what is urgently needed for the test.

The invention discloses an accelerated test method for the anti-PID performance of a packaging adhesive film of a photovoltaic assembly. The method includes the following steps: utilizing a packaging adhesive film to package and make a miniature solar photovoltaic assembly; shading the front side of the assembly, connecting an anode of the assembly with a cathode of the assembly through a constant current source, enabling constant current to be switched on inside the assembly, and recording a voltage value displayed by the constant current source; attaching conductive metal foil on a glass side of the front side of the assembly, conducting a 1h-96h PID test on the assembly in conditions of high temperature, high moisture and offset voltage application, switching on the constant current inside the assembly through the constant current source, and recording a voltage value displayed by the constant current source; and finally obtaining a voltage drop proportion. The anti-PID performance of the packaging adhesive film is determined in a way that the constant current is made to be switched on inside the assembly to test voltage drops. Assembly manufacturing and procedures before and after PID tests are simplified, requirements of test equipment are reduced, the test cost and time is saved, and the method has guiding significance for optimization of anti-PID packaging adhesive film formulas and manufacturing techniques.

The invention discloses an EBSD sample preparation method for cemented carbide powder. The EBSD sample preparation method comprises the following steps: mixing and batching of powdery samples; compression molding; sintering; inlaying; grinding and polishing; and sample cleaning. According to the invention, raw cemented carbide powder and Cu powder are fully and uniformly mixed, and the obtained mixture is sintered in a thermal analyzer with precise temperature control and a protective atmosphere; the raw cemented carbide powder is cured in virtue of a Cu phase, and the aggregates of a WC raw material are perfectly dispersed; the optimal parameters of EBSD grinding, polishing and sample preparation are obtained through optimization, so good EBSD testing results can be obtained; and application of large equipment is omitted, so pressing and sintering cost is greatly reduced and an experimental period is shortened.

The invention discloses an intelligent substation and an intelligent secondary device testing system of the intelligent substation. The testing system comprises + / -220 / 110 V direct current power sources, a simulation device, multiple intelligent secondary device testing ends and simulation main wiring screens, wherein the simulation device comprises mimic-disconnecting switches and simulation switch blades and the mimic-disconnecting switches and the simulation switch blades are provided with input ends and output ends; each intelligent secondary device testing end is connected with one intelligent secondary device and the intelligent secondary device testing ends comprise first ports used for being electrically connected with the direct current power sources and second ports used for being electrically connected with the input ends of the mimic-disconnecting switches and the input ends of the simulation switch blades; the simulation main wiring screens are provided with the input ends which are connected with the output ends of the mimic-disconnecting switches and the output ends of the simulation switch blades, and the simulation main wiring screens are used for displaying the real-time state in tests of the intelligent secondary devices. The testing system conducts the tests in a stable and excellent workshop environment, and the integration test efficiency and the quality process of the intelligent secondary devices are improved.

A memory storage device and a memory testing method for testing a memory array of the memory storage device are provided. The memory testing method includes the following steps: writing first data into a plurality of first segments of the memory array, and writing second data to a second segment of the memory array; obtaining third data by reading the plurality of first segments, and obtaining fourth data by reading the second segment; converting the fourth data to fifth data, wherein the fifth data is the same as check data obtained by encoding the first data by using an encoding circuit corresponding to a decoding circuit of the memory storage device.

The present invention discloses a multifunctional cloning vector, wherein the construction method comprises adopting a resistance gene expression self-saving manner and directly adopting the conventional antibiotic to screen positive clones, and specifically comprises: designing a pair of primer sequences with 5' terminal phosphorylation, adopting PUC19 plasmid as a template, and adopting high-fidelity PCR amplification to obtain the multifunctional cloning vector. With the vector prepared by using the method, various PCR products can be efficiently cloned, efficient cloning efficiency of the blunt-ended PCR product and the general Taq enzyme amplification product can be achieved, and the vector of the present invention can be adopted to completely replace the blunt-ended cloning vector and the TA cloning T vector. The method for preparing the multifunctional cloning vector has advantages of general positive rate of greater than 90%, low false positive rate, low test cost, less experiment operation steps, convenience and rapidness. The invention further discloses the use method of the multifunctional cloning vector.

A spectral simulation method during a noise testing for a magnetic head, includes steps of (a1) detecting several first noise profiles for several magnetic head samples under a first frequency bandwidth range by a dynamic testing machine; (b1) separating each first noise profile into at least two noise curves including a first noise curve and a second noise curve at a predetermined frequency bandwidth, wherein the first noise curve has a frequency bandwidth range lower than that of the second noise curve; (c1) fitting several mathematical equations according to the second noise curves; and (d1) establishing a correlative equation among the mathematical equations, so as to simulate the second noise curve for each magnetic head. The present invention can simulate a second noise curve of the noise profile in a higher frequency bandwidth and establishing the correlative equation according to the second noise curve.

The invention relates to the field of particle sieving and measurement, in particular to an automatic soil particle measuring experimental device. The automatic soil particle measuring experimental device provided by the invention is used for measuring and plotting the contents of soil particles with different particle sizes in a test sample. Through coordination of a motor, a vibrating table, a sieve, a wireless weighing sensor, a wireless signal receiving and processing unit and a display, automatic sieving, weighing and weight ratio calculation of the particles with different particle sizescan be achieved, automatic data processing is achieved, and numerical values and a curve are displayed on a display screen in real time, so that the automation degree and the labor efficiency of soilparticle size measurement are improved, and the test cost and the test time are saved.

The invention provides a test method and device for automatically adjusting Redriver. The method comprises the steps that S1, a test waveform script is embedded into an oscilloscope; S2, a server mainboard and the oscilloscope are in data connection through a jig; S3, the oscilloscope reads and stores input signals and waveforms under all parameters through a test script. The device comprises theserver main board and a testing module, the server main board and the testing module are interconnected through the testing jig, the server main board is used for automatically inputting parameter adjusting signals, the testing module is used for reading signals transmitted by the testing jig and saving the corresponding waveforms. A machine is started to burn correct BMC firmware and the oscilloscope automation script so that people can leave a test table, and to-be-tested data can be read from the oscilloscope after testing so that time and labor for testing in the aspect can be saved for aproject, and then the cost is reduced.

The invention provides a method for determining a loading path for achieving multi-way loading forming of a multi-cavity component. The method comprises the steps that the range of an initial loading displacement x<0> of a main pipe male die is determined by determining the volume V of blank materials transferred to a branch pipe cavity at different loading displacements of the main pipe male die, an initial loading displacement x<0> of the main pipe male die and a loading displacement y<0> of a branch pipe male die, and the reasonable loading path for achieving multi-way loading of the multi-cavity component is determined finally. According to the method for determining the loading path for achieving multi-way loading forming of the multi-cavity component, the reasonable loading path for achieving multi-way loading forming of the multi-cavity component can be determined accurately and rapidly, the time is shortened, and the experimental cost is reduced. According to the loading path, material flowing and non-uniform deformation can be improved, the defects such as cavities and folding in the forming process can be effectively avoided, the forming load can be reduced, and the forming quality of the component can be improved.

The invention discloses a method for testing lithium manganate material performance. The method comprises the following steps of: adding 1-5 parts of lithium manganate powder into 50-200 parts of water to test a pH value of mixed liquid; stirring and titrating 1mol / L of sulfuric acid into the mixed liquid at speed of 1-5ml / S to ensure that the molar ratio of added sulfuric acid to the added lithium element in the lithium manganate is 2:1 to test the pH value of the titrated mixed liquid; calculating n according to an equation that nFdeltaE=-RT1nKeq to ensure that the theoretical capacity of n*lithium manganate is the actual capacity of the lithium manganate material, wherein Keq=0.0125, delta E is a potential difference of the pH value obtained for detection twice, F is a faraday constant, T is an absolute temperature during titration and R=8.314J / (mol.K). By the method, the chemical lithium removal action of the lithium manganate material is researched, and the actual capacity of the lithium manganate material is calculated. The method is easy, rapid, short in testing time and low in equipment requirement, and saves a large amount of capitals and test time.

The invention discloses a position measurement system, which is used for automatic alignment of a measurement mark. The position measurement system is characterized by comprising an illuminating optical system, a projection optical system, a detection optical system, an image collecting and processing unit and a control unit, wherein the illuminating optical system is used for providing an illuminating beam projected to the measurement mark; the projection optical system is used for guiding the illuminating beam including measurement mark information to the surface of a to-be-measured object; the detection optical system is used for receiving reflected light which is reflected by the illuminating beam including the measurement mark information through the surface of the to-be-measured object and projecting the reflected light to a detection mark; the image collecting and processing unit is used for collecting an image which is formed by the measurement mark through the projection optical system and the detection optical system and obtaining deviation information of the measurement mark according to the image; the control unit is used for controlling a drive unit according to the deviation information; the drive unit is connected with an adjusting unit; and the adjusting unit drives the drive unit to adjust the image of the measurement mark according to the deviation information.