437results about How to "Shorten test time" patented technology

The invention discloses a link test method, electronic equipment, a storage medium, a product and computing equipment, and is applied to the technical field of data transmission. The method comprises the following steps: determining to-be-tested equipment according to a to-be-tested link and a link training trigger condition; when the to-be-tested link finishes executing the link training operation and the link is recovered, determining a target register storing running state parameter information of the to-be-tested link in the to-be-tested device based on a link training trigger condition, and reading the running state parameter information; and when the link to be tested is diagnosed to have no fault according to the running state parameter information, executing the corresponding link training operation again based on the link training triggering condition. According to the method, the problems that related technologies depend on special tools, the starting time is long and the low-probability hardware fault reproduction period is long can be solved, the applicability is high, and the link testing efficiency can be effectively improved.

The invention relates to a non-signaling test-based frequency offset calibration method, system and device and a medium, and the method comprises the steps: carrying out the parallel non-signaling frequency offset test of a plurality of target chips, collecting the output waveforms of the target chips, and determining the frequency offset values of the target chips according to the output waveforms; performing deviation analysis on the frequency deviation value, and calculating a corresponding frequency deviation calibration value based on the frequency deviation value and a preset frequency calibration coefficient under the condition that the frequency deviation value reaches a preset frequency limit range; writing the frequency offset calibration value into a corresponding target chip, and performing parallel frequency offset calibration; and carrying out calibration degree verification on the target chip after frequency offset calibration so as to confirm whether the frequency offset value of the target chip accords with a preset standard frequency. The method and the device have the effect of improving the frequency offset calibration efficiency of the chip.

The invention belongs to the technical field of ocean engineering, and discloses a seabed vibration elbow solid-liquid two-phase flow erosion corrosion coupling analysis method and system. The method comprises the following steps: establishing a three-dimensional fine model of a local bent pipe section; constructing a flow accelerated corrosion model by using a mass transfer equation and a solubility equation to calculate a flow accelerated corrosion rate; an E / CRC particle erosive wear model is introduced to calculate the erosive wear rate of particles to the wall surface of the pipeline; an erosion-corrosion coupling model is constructed based on the electrochemical corrosion secondary current model to simulate the erosion corrosion process of solid-liquid two-phase flow in the vibration pipeline, and an erosion corrosion coupling response rule in the vibration elbow is obtained. Compared with an original analysis method which only considers erosion wear, the erosion corrosion rate calculation precision is improved by 36%, the simulation result and experiment comparison error is reduced to be within 20%, and technical support is provided for accurate analysis of pipeline damage under the erosion corrosion coupling effect.

The invention provides an electromagnetic compatibility test data processing method and system based on the Internet of Things, and relates to the technical field of electromagnetic compatibility test data processing. The method comprises the following steps: acquiring electromagnetic compatibility test data of the electromagnetic range; analyzing electromagnetic compatibility test data of the electromagnetic range; and the electromagnetic compatibility test accuracy of the electromagnetic range is comprehensively analyzed, optimized and adjusted. By collecting and processing electromagnetic compatibility test data of the electromagnetic range, the electromagnetic compatibility test data of the electromagnetic range is analyzed, the electromagnetic compatibility test accuracy evaluation index of the electromagnetic range is obtained through comprehensive analysis, and the electromagnetic compatibility test accuracy of the electromagnetic range is optimized and adjusted; the accuracy of the electromagnetic compatibility test data processing method based on the Internet of Things is improved, and the problem that the accuracy of the electromagnetic compatibility test data processing method based on the Internet of Things is insufficient in the prior art is solved.

The invention discloses a bearing bench experiment spectrum construction method based on a rotating speed and torque combined counting method. The method comprises the steps of 1, obtaining sample load spectrum road operation data and performing preprocessing; step 2, rotating speed and torque combined counting is carried out on the preprocessed data; 3, constructing a damage model of the bearing; 4, extrapolating the original data; and 5, compiling a multi-stage program load spectrum. According to the method, a frequency extrapolation method of combining a Gaussian kernel function with K strengthening coefficient extrapolation is adopted, so that the authenticity of data after bearing load spectrum extrapolation is improved; according to the corresponding relation between the rotating speed and the fatigue life of the bearing, the load spectrum construction method based on rotating speed and torque combined counting is provided, the accuracy of fatigue life analysis is improved, and meanwhile, the load spectrum analysis characteristics are visually reflected by constructing the multi-stage spectrum image of rotating speed and torque combined distribution.

The invention provides a vehicle body coating filamentous corrosion testing method which comprises the following steps: destroying a coating on the surface of a test piece, exposing a metal matrix, and cleaning chips on the surface of the test piece; introducing an electrolyte solution on the metal matrix at the damaged part of the coating; placing a cover plate at the damaged part of the coating; transferring the test piece with the cover plate into an environmental test box, and setting temperature, humidity and test time; the test piece is moved out of the environment test box, washed, dried and photographed, the filiform corrosion length is measured, and the filiform corrosion risk of the plated steel is judged according to the filiform corrosion length. The method provided by the embodiment of the invention can shorten the test time.

The invention discloses a coal seam gas content determination method. The method comprises the following steps: collecting a coal sample and placing the coal sample in a coal sample closed desorption container for closed normal-pressure desorption; opening the corresponding branches based on the change of the gas flow; working condition flow data and corrected gas flow data in the standard state are determined based on the laminar flow sensors on the branches and measurement data of the environment temperature sensor and the environment pressure sensor, and then the loss amount is calculated; the coal sample crushing device crushes the coal sample, and the corresponding branch is opened again based on the change of the gas flow until the desorption work is stopped; based on measurement data of each sensor, the coal sample mass is calculated to finally determine the coal seam gas content. The parameters such as the temperature, the pressure and the pressure difference of fluid flowing through the laminar flow sensor are measured in real time, the flow in a standard state is obtained after calculation and correction, and the measured gas flow and volume data are more scientific and accurate through temperature and pressure compensation.

The invention relates to the technical field of water quality detection and evaluation, and provides an evaluation method of a sewage treatment process, which can trace the degradation conditions of different sewage treatment processes on different molecular weight components of organic pollutants by combining an ultrafiltration technology and a three-dimensional fluorescence spectrometry, and can quickly evaluate refractory soluble organic matters in sewage at the same time. In the evaluation process, the separation operation of organic matters is simplified through ultrafiltration, and the cost is reduced; the degradation conditions of different molecular weight components of organic pollutants by different sewage treatment processes can be traced by combining specific ultrafiltration conditions with three-dimensional fluorescence spectrum analysis and a specific calculation formula for the content of the refractory soluble organic matters specified by the invention, and the refractory soluble organic matters in the sewage can be rapidly evaluated.

The invention relates to the technical field of garment fabric detection, and provides exercise and training garment wear resistance and wrinkle resistance detection equipment, the exercise and training garment wear resistance and wrinkle resistance detection equipment comprises a bottom plate, a top plate and a detection part arranged on the bottom plate, the detection part comprises a supporting assembly and a clamping assembly, the supporting assembly comprises a shaft rod fixedly arranged on the bottom plate and a bearing plate fixedly arranged at the top end of the shaft rod, and the outer side of the bearing plate is sleeved with the clamping assembly; the jacking assembly comprises a sleeve slidably arranged on the outer side of the shaft rod in a sleeving mode and a pressing plate rotationally arranged at the top end of the sleeve, the peripheral surface of the pressing plate is sleeved with a hoop, and a lifting assembly is arranged on one side of the sleeve; the friction assembly comprises a friction plate, friction cloth fixedly arranged on the bottom face of the friction plate and a power part arranged on the top plate. By arranging the supporting assembly, the jacking assembly, the friction assembly, the lifting assembly and the power part, the wear resistance and wrinkle resistance of the fabric can be tested at the same time, the testing time is saved, the fabric is conveniently fixed through the clamping assembly and the hoop, and meanwhile the fabric is fixed through the clamping assembly, so that the fabric is prevented from sliding on the bearing plate.

The embodiment of the invention provides a rock sample platinum group element separation and enrichment and high-precision determination method. The method comprises the following steps: weighing a rock geological sample, and dissolving the sample to obtain a platinum group element dissolving solution; the platinum group element dissolving solution is directly distilled to separate Os, and an Os absorption solution and a distillation residual solution containing Re and other platinum group elements are obtained respectively; redissolving the distillation residual liquid in 0.1 mol / L HCl to obtain a sample solution; adding the sample solution into a cationic resin column, and leaching, eluting and separating a matrix element, Re and other platinum group elements by using 0.1 mol / L HCl; redissolving the leachate in 0.1 mol / L HCl, adding an LN resin column, and leaching, eluting and separating residual interference elements, Re and other platinum group elements by using 0.1 mol / L HCl; and high-precision determination of Os, Re and other platinum group elements is realized. The method is easy to operate, the recovery rate of platinum group elements is high, and the removal rate of matrix elements and interference elements is high.

The invention discloses a universal verification system, device and method suitable for the functional performance of an FPGA device, and relates to the technical field of FPGA device testing, the universal verification system comprises verification hardware, verification software, a verification auxiliary instrument and environment equipment, and the specific verification steps are as follows: step 1, on-chip logic function verification; step 2, common interface function verification; 3, software and hardware adaptability function verification; 4, comprehensive performance function verification; 5, dynamic power consumption testing; step 6, common IP function verification; 7, testing associated parameters; step 8, system adaptability; and step 9, environment adaptability. The universal verification system is suitable for verification of a serial interface function, a multi-path IO compatibility test function, development software platform adaptability, simulator adaptability, a configuration mode, configuration starting time, a signal processing function, official IP supportability and the like, and has functions of a high-speed interface protocol, an Aurora protocol, a DDR protocol, an IIC protocol, an SPI protocol and the like.

The invention discloses a battery lithium precipitation judgment method, which comprises the following steps: determining a first characteristic frequency and a second characteristic frequency of a battery to be detected, the first characteristic frequency being a frequency corresponding to a junction point of an arc part and a straight line part in a Nyquist diagram of the battery to be detected, and the second characteristic frequency being a frequency corresponding to a junction point of an arc part and a straight line part in a Nyquist diagram of the battery to be detected; the second characteristic frequency is the frequency corresponding to a point of which the imaginary part of the arc part is zero in the Nyquist diagram; obtaining first real part data of the impedance at the first characteristic frequency and second real part data of the impedance at the second characteristic frequency of the to-be-tested battery in different preset charge states; according to the first real part data and the second real part data, acquiring electrochemical transfer internal resistance in different preset charge states; judging whether the electrochemical transfer internal resistance tends to increase and then decrease along with the increase of the preset charge state, and if so, determining that the to-be-detected battery generates lithium precipitation; if not, lithium precipitation does not occur. And whether lithium precipitation occurs in the battery can be quickly and accurately judged. The invention further discloses a lithium precipitation judgment device, electronic equipment and a readable storage medium.

According to the lithium ion battery SOC-OCV curve determination and voltage drop prediction method provided by the invention, during curve determination, based on the test small current, a constant current intermittent titration method with standing time within 1-10 minutes is adopted to carry out charging and discharging test on the lithium ion battery, so that the existence of battery polarization in the test process is reduced to approach a battery equilibrium state; as the standing time of one minute contains data that the voltage of the battery is rapidly changed to be stable after the current is interrupted, the test time can be shortened by shortening the standing time. After actual measurement data generated in the testing process is obtained, data fitting is conducted on the actual measurement data based on a voltage-time relational expression representing the relation between the battery voltage and the standing time, the open-circuit voltage of the battery after long-time standing in multiple charge states is predicted according to the fitting result, and an SOC-OCV curve is drawn and generated. And meanwhile, the battery voltage drop prediction efficiency applied to the method can also be remarkably improved.

The invention discloses an antenna far field test system and method based on weather radar base data, and relates to the technical field of weather radar test. The transmitting antenna is mounted on the first antenna turntable and rotates along azimuth, pitching and polarization axes; an antenna to be tested and a standard horn antenna are installed on a second antenna rotary table through a radar receiver, the aperture faces of the antenna to be tested and the standard horn antenna form an included angle of 180 degrees, mechanical axes are coaxial, and the antenna to be tested and the standard horn antenna rotate along azimuth and pitch axes. The data processing device is connected with the radar receiver. The testing process is simplified, and the equipment cost and the maintenance cost are remarkably reduced. The test time is shortened, and the test precision of gain, beam width, sidelobe level and the like of the to-be-tested antenna is improved. The whole system has wider adaptability in practical application and is not limited by specific climate conditions. The test process is accelerated, and errors caused by human factors are reduced. The method has the advantages of simplicity in operation, high automation degree, high adaptability and the like, and the measurement precision and the test efficiency of antenna performance parameters are remarkably improved.

The invention discloses a process optimization method, device, equipment and system, and relates to the field of process optimization. The method comprises the following steps: acquiring input data of a user, wherein the input data comprises process boundary conditions; generating an orthogonal test scheme through a preset orthogonal test design method based on the input data, wherein the orthogonal test scheme comprises a plurality of orthogonal test samples; determining an alternative parameter combination based on the plurality of orthogonal test samples and a prediction model, wherein the prediction model is constructed based on a random forest regression model; and determining the alternative parameter combination as an initial solution of a simulated annealing algorithm, and obtaining an optimized parameter combination through the simulated annealing algorithm, wherein the optimized parameter combination is used for process optimization. According to the method, the optimized parameter combination can be obtained and used for process optimization.

The invention relates to an aero seat static strength test platform and test method, and relates to the technical field of aero seat static strength tests. The test platform comprises a test platform body capable of rotating by 1-360 degrees, a distance automatic adjusting seat fixing track, an automatic adjusting hydraulic action system, an automatic adjusting prosthesis module, an ATD dummy, a seven-axis or more measuring arm, a seat deformation measuring system and a control module, and a test seat is arranged on the distance automatic adjusting seat fixing track. The automatic adjusting prosthesis module and the ATD dummy are both arranged on the test seat, the automatic adjusting hydraulic action system is used for applying external force to the automatic adjusting prosthesis module, the ATD dummy and the seven-axis or more measuring arms are used for measuring SRP points, and the seat deformation measuring system is used for measuring test results of the test seat. The civil aircraft aero seat static strength test device has the effect of improving the civil aircraft aero seat static strength test efficiency and the test data accuracy.

The invention provides a single-electrode silica gel sheet test circuit, device and method for physical therapy. The single-electrode silica gel sheet test circuit comprises a microcontroller, a Darlington tube array chip circuit, a relay array, a signal conditioning circuit and the like. The microcontroller controls the Darlington array to amplify low-power signals, drives the relay array to achieve selection of different test paths, collects and processes test data, and transmits the test data to the computer through a serial port. The relay array alternately switches paths to complete each test item; the signal conditioning circuit is used for adjusting a test signal to meet the AD sampling requirement; the digital control analog switch realizes multiplexing of multiple paths of signals, and a single AD port acquires multiple paths of signals; and the state indicating circuit displays the test result and gives an alarm prompt. The system is specially used for a single electrode plate test scheme, the installation complexity can be remarkably reduced, the stability is improved, and the efficiency is greatly improved.

The invention relates to the technical field of accelerated life tests of electronic equipment, and discloses a method for determining an acceleration factor of electronic equipment in order to solve the problem that the accuracy of the acceleration factor in a reliability accelerated life test scheme is not high. The method comprises the steps that the environment temperature of the electronic equipment under the normal working condition and the environment temperature of the electronic equipment under the acceleration test condition are acquired; determining the type number of the components in the electronic equipment, the number of the components of the same type and the activation energy of each component; determining a first acceleration factor of the electronic equipment; determining a second acceleration factor of the electronic equipment; based on a scoring result obtained by scoring the first acceleration factor and the second acceleration factor through an expert scoring method, a target acceleration factor is determined, and the target acceleration factor is used for carrying out an accelerated life test of the electronic equipment. By adopting the method, the accuracy of the acceleration factor of the electronic equipment in the reliability accelerated life test can be improved.

The invention discloses a system and a method for testing thermal cycle characteristics of multidirectional horizontal pipelines of a nuclear power plant, the system comprises a circulating water path and a pressure stabilizing water path, the circulating water path comprises the multidirectional horizontal pipelines (1a, 1b), paired pressure signal detectors (17a, 17b), pipeline heaters (14a, 14b, 14c) and a pipeline heat exchanger (3), and the pressure stabilizing water path comprises a cooling water supply system (18) and a pressure stabilizer (23); the circulating water path is communicated with the pressure stabilizing water path, and the number of the multi-direction horizontal pipelines (1a and 1b) is more than two. The thermal cycle characteristics of the upstream horizontal pipeline, the lateral horizontal pipeline and the downstream horizontal pipeline connected with the main pipeline under the conditions of different temperatures, pressures and volume flows can be researched more effectively, conveniently and accurately, and data support and reference are provided for design optimization of the multi-direction horizontal pipeline of the nuclear power station.

The invention belongs to the technical field of retired battery sorting, and particularly relates to a retired battery secondary sorting method, system and equipment based on random charging fragments and a medium. The method comprises the steps of generating a single battery identification code, constructing a battery code database, and performing charging and discharging control on a single battery based on a preset charging and discharging strategy. And obtaining a time sequence sample data set of temperature, voltage and capacity change, converting the time sequence sample data set into two-dimensional image data and storing the two-dimensional image data, and training a prediction model through a two-dimensional convolutional neural network to estimate the maximum available capacity of the battery so as to realize secondary sorting of the battery. The system comprises a code scanning module, a charging and discharging control module, a data acquisition module, a data processing module and a sorting module. The method can reduce test time and energy consumption, improve battery sorting efficiency and precision, reduce memory occupation and rear-end model operation time, and is suitable for efficient and accurate sorting of retired batteries.

The invention provides a ground resistance testing method and device suitable for a railway system, and the method comprises the steps: determining a first inter-electrode voltage value between a tested ground grid and a first potential electrode based on a first testing loop and excitation current provided for the first testing loop, and determining a second inter-electrode voltage value between a tested ground grid and a second potential electrode based on a second testing loop; and determining a second inter-electrode voltage value between the tested ground grid and the second potential electrode according to the first inter-electrode voltage value provided for the first test loop and the excitation current provided for the second test loop, and determining the grounding resistance of the tested ground grid and the soil resistivity of the tested ground grid based on a predetermined correction factor, the excitation current value, the first inter-electrode voltage value and the second inter-electrode voltage value. The compensation resistance is counteracted by adding the test electrode and introducing the correction factor, so that the test method of the grounding resistance is simplified. And the zero potential region does not need to be repeatedly measured and searched, so that errors caused by manually searching the zero potential region are avoided, and the accuracy of the grounding resistance test is improved.

The embodiment of the invention provides a flash open block test method and related equipment thereof, and the method comprises the steps: obtaining a plurality of test samples of a flash open block, and selecting a plurality of test blocks from each test sample; carrying out a life early-stage data retention experiment on the plurality of selected test blocks, and obtaining the bit flipping number of each open case corresponding to the open block; a plurality of target open cases are selected from a plurality of open cases corresponding to the open block based on the number of bit flipping, and the plurality of target open cases are subjected to life middle and later period data retention experiments, so that the data retention performance of the open block is determined based on experimental data, the data retention performance of the open block can be rapidly and effectively evaluated, the test time of the 3D TLC flash memory is saved, and the test efficiency of the 3D TLC flash memory is improved. And the test conclusion is more stable and reliable.

The invention discloses a Fluent-based numerical simulation and experimental design method for shaking of liquid in a tank of a tank truck, and belongs to the technical field of numerical simulation of fluid dynamics (CFD). The method includes the steps that the hole opening position of the wave-proof plate serves as an independent variable, multiple hole opening position schemes are designed, liquid shaking related indexes are determined to serve as dependent variables, a geometric model is established according to the actual structure of a tank truck tank body, a fluid mechanics model and boundary conditions are set, a solver is configured, output parameters and numerical simulation initial values are set, and an experiment is executed. The liquid shaking process of a certain swash plate trepanning scheme is simulated, acting force data, namely shaking index data, between liquid shaking and the inner wall of the tank body is recorded, the advantages and disadvantages of each trepanning position scheme are evaluated based on the shaking index data, and the optimal scheme is determined. According to the method, a real object experiment is replaced by CFD numerical simulation, parameter setting is carried out, the experiment cost and the experiment risk are remarkably reduced, the experiment efficiency is improved, and data support can be provided for industry design.

The utility model relates to the technical field of semiconductor detection, and discloses an IGBT module wafer temperature test system, which comprises an infrared temperature tester vertically arranged above an IGBT module to be tested and used for detecting the wafer temperature of the IGBT module to be tested within the detection range of the infrared temperature tester; the temperature acquisition instrument is arranged on one side of the air inlet of the radiator and is used for acquiring environment temperature, and the radiator is used for radiating the IGBT module to be tested; and the controller is electrically connected with the infrared temperature tester and the temperature acquisition instrument and is used for controlling the temperature acquisition instrument and the infrared temperature tester to carry out synchronous detection. According to the utility model, the wafer temperature of the to-be-tested IGBT module can be visually tested without risk through the infrared temperature tester, and the temperature of the air inlet of the radiator can be synchronously tested through the temperature acquisition instrument, so that a reference can be established for a test result, the influence of environment temperature can be decoupled, and the test result is more accurate.

The invention discloses a method and a system for realizing compatibility test of an operating system and an intelligent processor, and belongs to the technical field of operating systems. The method comprises the following steps: establishing an initialization module, acquiring basic information by identifying a tested object, generating an environment initialization configuration description and a program based on the basic information and the supplementary data, injecting the description and the program into a test main program, and establishing association in a test database; establishing an execution module, automatically identifying a tested object, selecting a to-be-tested intelligent processor model set, and automatically executing configuration and test in combination with test database information; and establishing an analysis module, generating a test report of the tested object by using the test results, and summarizing the test results to generate a multi-dimensional compatible report. According to the invention, automatic and rapid compatibility testing of the Linux operating system and the intelligent processor can be realized.

The invention is suitable for the technical field of software testing, and provides a test case execution method and device, electronic equipment and a computer readable storage medium, and the method comprises the following steps: obtaining a test case of a to-be-tested system; the test case is set according to a test plan of the to-be-tested system, and the test plan is used for indicating a test demand of the to-be-tested system; the test case is executed according to a pre-constructed controller, and the pre-constructed controller at least comprises a parallel controller; under the condition that the test case is successfully executed, adjusting the resource consumption of the test case according to the execution result of the test case, and executing the test case of which the resource consumption is adjusted to obtain a new execution result; according to the new execution result, a performance optimization model of the to-be-tested system is constructed, and the performance optimization model is used for indicating the optimization direction of the to-be-tested system. The test efficiency of the software system can be improved.