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225 results about "Stability test" patented technology

Stability testing can refer to: In software testing, an attempt to determine if an application will crash. Stability testing is an method to check the quality and how the system or software behaves in different environmental parameters like temperature, voltage etc.

Method and system for testing operation stability of heterogeneous computing system

The invention relates to the field of computer systems, in particular to an operation stability testing method and system oriented to a heterogeneous computing system, and the method comprises the steps: constructing a system overall operation logic model comprising a resource topological structure, a task scheduling rule and a communication link matrix; identifying a key communication path according to the communication link matrix, analyzing a resource competition hotspot in combination with a task scheduling rule, and establishing an interference model library; calling a specific model instance in the interference model library according to a test target, configuring injection parameters, and dynamically applying interference in a system operation process; key performance indexes in the system operation process are collected in real time; based on the real-time monitoring data, a multi-index weighted scoring algorithm is adopted to calculate an overall stability coefficient, a robustness grade and a self-healing capability index of the system, and a stability evaluation result is generated; and generating a visual report according to the topological structure of the operation logic model, and supporting comparison and analysis of historical versions. Unified centralized management is realized, and test efficiency and evaluation accuracy are improved.
Owner:SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD

Performance test system for aluminum electrolytic capacitor

The invention discloses a performance test system for an aluminum electrolytic capacitor, and relates to the technical field of capacitor performance test, an environment simulation module accurately simulates a high-temperature and high-humidity environment, and an electrical performance monitoring module obtains key performance parameters in real time; the dynamic parameter acquisition module detects the electrolyte evaporation rate and the high-frequency impedance response curve change based on a mass loss method, the data analysis module comprehensively evaluates the stability of the operation performance, and the test adjustment module predicts and dynamically adjusts the test condition according to the abnormal degree, thereby achieving the comprehensive and accurate evaluation of the performance of the aluminum electrolytic capacitor. The test accuracy is effectively improved, the service life prediction is optimized, and high-reliability guarantee is provided for an industrial control system.
Owner:YIYANG SUN ELECTRONIC TECH CO LTD

Real-time stability test platform and method for data acquisition of power distribution control chip

The invention provides a real-time stability test platform and method for data acquisition of a power distribution control chip. The real-time stability test platform comprises a test power grid, an acquisition system, a to-be-tested control chip, a high-low temperature alternating box, an upper computer and a clock module, the upper computer is used for storing a plurality of test programs, controlling the high and low temperature alternating box and the test power grid to obtain different working conditions, calling the corresponding test programs according to the different working conditions, sending out corresponding control instructions, and performing stability analysis on the control chip to be tested according to the first test data and the second test data; and obtaining a stability test result. The problem that in the prior art, a single parameter testing method is difficult to comprehensively evaluate the stability of a control chip in an actual complex environment in real time is solved; according to the invention, the stability of the control chip is efficiently tested in real time, and the problems of difficult simulation of complex working conditions and multi-parameter coupling influence can be solved.
Owner:CHINA SOUTHERN POWER GRID COMPANY

UFS equipment stability test method, system and device and storage medium

The invention discloses a stability test method, system and device for UFS equipment and a storage medium, and the method comprises the steps: dividing a storage unit of the UFS equipment into m storage partitions, and obtaining n target tasks; randomly distributing the n target tasks to m storage partitions; randomly obtaining n target operation commands corresponding to the n target tasks; asynchronously sending the n target operation commands to the m storage partitions; randomly sending the task termination command to one or more target tasks for termination test to obtain a target test result; and generating a stability test report according to the target test result. The target operation command is randomly selected to execute the operation of the target task, the comprehensive test of the operation relative to the target task is ensured, the task termination command is randomly sent to one or more target tasks, the comprehensive test of the test is ensured, and the test accuracy is further improved.
Owner:ARTMEM TECHNOLOGY CO LTD

Multi-degree-of-freedom high-frequency motion simulation device for aircraft dynamic stability test and calculation method for realizing actuation angle

The invention belongs to the field of wind tunnel experiments in a hypersonic flow field environment, and discloses a multi-degree-of-freedom high-frequency motion simulation device for an aircraft dynamic stability test and a calculation method for realizing an actuation angle. According to the technical method, calculation is carried out on the basis of an electromechanical coupling equation, determined by electrical parameters and mechanical parameters, of a piezoelectric material. Modeling can be carried out according to a piezoelectric equation to obtain a calculation method between the voltage applied by the piezoelectric actuator and the pitching and yawing actuation angles of the device, so that the excitation effect of the device in the ground test process can be accurately controlled and predicted. The method is not only suitable for pitching and yawing two-degree-of-freedom actuation calculation, but also can be used for calculating the actuation angle of a three-axis degree-of-freedom experimental device added with rolling drive through coordinate transformation under the condition of adding parameters such as rolling angular velocity and the like in the face of the three-axis degree-of-freedom experimental device added with rolling drive. At present, according to a calculation method based on the device, calculation is carried out only by considering the degree of freedom of the pitching axis and the yawing axis.
Owner:DALIAN UNIV OF TECH

System and method for testing real-time stability of end slope mining side slope

The invention discloses an end slope mining side slope real-time stability testing system and method, and relates to the technical field of open pit coal mine end slope mining safety monitoring and early warning, and the method comprises the steps that a distributed optical fiber sensing network arranged on a side slope surface and a mining chamber top plate collects acoustic emission and strain time sequences; a solid-state laser radar array arranged on the stope platform collects slope surface point cloud data of the stope platform; during data acquisition, the solid-state laser radar array and the distributed optical fiber sensing network are in time alignment; carrying out slope displacement increment extraction on the slope point cloud data of the monitored area by the edge GPU node; the data analysis cloud platform is used for performing microfracture identification according to the acoustic emission and strain time sequence; and inputting the slope displacement increment, the micro-fracture event count and the strain time sequence into the trained stability evaluation model to obtain a stability evaluation result, and capturing the internal micro-fracture, surface micro-displacement and shear-expansion coupling characteristics in real time, and providing high-reliability instability prediction.
Owner:TAIYUAN INST OF CHINA COAL TECH & ENG GROUP +1

Multi-soliton time domain distribution characterization device and method

The invention belongs to the technical field of quantum information science, and particularly relates to a multi-soliton time domain distribution representation device and method. According to the multi-soliton time domain distribution characterization method, the time delay of one arm of the HOM interferometer is changed through the adjustable light delay line to carry out coincidence measurement of HOM interference, and characterization of multi-soliton time domain features is achieved. All devices used in the stability test method are mature commercial devices, can be used in the fields of quantum communication, quantum calculation, quantum precision measurement and the like, and are beneficial to practical and commercialized development of light quantum information science and technology.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

Automated memory overclocking

Automated memory overclocking is described. In accordance with the described techniques, one or more sets of overclocked memory settings of a memory are automatically selected for performance testing and stability testing of the memory. The one or more sets of the overclocked memory settings are tested for performance of the memory and a performance indication is output for each of the one or more sets of the overclocked memory settings. The one or more sets of the overclocked memory settings are tested for stability of the memory and a stability indication is output for each of the one or more sets of the overclocked memory settings. One of the one or more sets of the overclocked memory settings are selected as optimized overclocked memory settings for the memory.
Owner:ADVANCED MICRO DEVICES INC

FAKRA wire harness error code testing device and method

The invention discloses an FAKRA wire harness error code testing device and method, and relates to the technical field of error code testing. The method comprises the following steps of preparation before test, basic electrical test, limit plugging test, vibration test, stability test and test result analysis. According to the method, the initial bit error rate of the to-be-tested FAKRA wire harness is tested by using the bit error tester after the test equipment is calibrated, then the connectors at the two ends and the matched connector are subjected to the limit plugging test, then the vibration test is performed, and the simulation degree of the vibration test is evaluated, so that whether vibration simulation optimization is performed or not is determined; according to the method and the device, firstly, the fluctuation condition of the bit error rate is monitored in the test period, so that whether a clock optimization measure is taken or not is determined, finally, all test data are collected, the stability of the bit error test is ensured, and the problem that the bit error test accuracy is reduced due to the fact that the vibration test simulation degree is not high enough and the simulation quality is unstable in the prior art is solved.
Owner:YILIAN TECH (GUANGZHOU) CO LTD

Voltage reference source multi-parameter high-precision automatic test method and system

The invention discloses a multi-parameter high-precision automatic test method and system for a voltage reference source, and the method comprises the following steps: selecting a test scheme according to the characteristics of a tested voltage reference source device, and carrying out the testing of starting time, initial precision, temperature coefficient, linear regulation rate and long-term stability; the automatic test system controls the adjustable DC voltage source to adjust the input voltage of the tested voltage reference source device according to the selected test scheme, and controls the high and low temperature test box to adjust the working environment temperature of the tested voltage reference source device; the automatic test system reads voltage data collected by the eight-bit and half-digit meter, and analyzes, processes, classifies and stores the voltage data according to a test scheme. The method is used for overcoming the defects of insufficient precision, poor synchronism and tedious process in the traditional test, and provides a reliable technical means for research, development, verification and mass production screening of the high-precision voltage reference source device.
Owner:HENAN XJ INSTR +1

Method and system for testing running stability of yarn spinning high-speed spindle

The invention relates to the technical field of textile equipment testing, in particular to a yarn textile high-speed spindle operation stability testing method and system, and the method comprises the following steps: S1, testing element layout; s2, initializing the system; s3, carrying out transient test; s4, testing a steady state; s5, interference processing: carrying out spectrum analysis on the originally acquired data, identifying interference frequency characteristics, eliminating interference by adopting a notch filtering and Kalman filtering combined method, and verifying a filtering effect; s6, parameter correlation modeling: constructing a vibration-temperature-tension-rotating speed parameter correlation model by adopting a control variable method, solving model parameters through a fitting algorithm and verifying validity; s7, quality tracing; s8, stability judgment; and S9, performing real-time monitoring and regulation. According to the method, a combined filtering scheme of notch filtering and Kalman filtering is adopted, fixed interference and random interference such as power frequency and mechanical resonance are suppressed in a targeted manner, and through comparison of locally amplified signals, the filtered signals are smooth in waveform and thorough in noise removal, and the signal-to-noise ratio and reliability of vibration detection signals are improved.
Owner:SHANDONG SHENGRUN TEXTILE

Automatic memory overclocking

Automatic memory overclocking is described. In accordance with the described techniques, one or more sets of overclocking memory settings of a memory are automatically selected for performance testing and stability testing of the memory. The one or more sets of overclocking memory settings are tested to obtain performance of the memory, and a performance indication is output for each of the one or more sets of overclocking memory settings. The one or more sets of overclocking memory settings are tested to obtain stability of the memory, and a stability indication is output for each of the one or more sets of overclocking memory settings. One of the one or more sets of the overclocking memory settings is selected as an optimized overclocking memory setting for the memory.
Owner:ADVANCED MICRO DEVICES INC

Method, system and equipment for testing stability of vehicle-mounted infotainment system and medium

The invention relates to the field of in-vehicle infotainment testing, in particular to a stability testing method, system and device for an in-vehicle infotainment system and a medium, and the method comprises the steps: learning a first weight corresponding to each display area, support operation and a second weight corresponding to each support operation by using a Q-learning algorithm according to a priori knowledge rule set; executing a test step for a predetermined number of times, the test step comprising: determining a target area based on the first weight according to a predetermined rule; determining a target operation corresponding to a target area according to the second weight; and executing the target operation on the target area, judging the execution validity, and generating a stability test report according to an execution result. According to the characteristics of the vehicle machine system interface, the test event is intelligently generated, and the exploration probability is dynamically adjusted, so that the test coverage rate is improved, the test efficiency is also improved, and invalid and repeated tests are reduced.
Owner:SMART MOTOR (ZHEJIANG) SOFTWARE TECH CO LTD

BMC system stability test system and method

The invention discloses a BMC system stability test system and method, and the system comprises a client-side and server-side communication module which is used for installing a client-side tool in a server to communicate with a server side; the core function test module comprises a test type management sub-module and is responsible for managing and scheduling test types; the test execution sub-module is used for executing each test type, collecting test data and returning a test result; the test data collecting and processing sub-module is used for collecting, processing and analyzing the test data and generating a report; the test result feedback sub-module is used for feeding back a result to a user and storing test data; the survival state checking module is used for constructing a survival state checking mechanism and evaluating the working states of the BMC module and the server OS; and the log recording and problem prompting module is used for recording log information and prompting a user when an abnormal condition is detected. By adopting the mode of automatically running the test case, the tedious process of manual test is eliminated, and a series of complex test tasks can be automatically completed without manual intervention.
Owner:SHENZHEN TONGTAIYI INFORMATION TECH CO LTD

Automatic testing system for stability of pressure sensor

The invention provides an automatic testing system for the stability of a pressure sensor. The automatic testing system comprises an upper computer, a high-precision pressure controller, a constant-temperature box, a multi-channel electromagnetic valve array, an IO module, a data acquisition module and a testing tool. According to the system, the upper computer controls the high-precision pressure controller to output set pressure, meanwhile, the constant temperature box is controlled to maintain a constant temperature environment, the multi-channel electromagnetic valve array is utilized to circularly switch multiple test channels through a time triggering mechanism, the test process is automatically executed according to a preset period, and the test efficiency is improved. Output data of a sensor to be tested in the constant temperature box under set pressure are collected in real time, a pressure and temperature curve is drawn dynamically, and the data are stored and analyzed. The system supports multi-channel parallel testing, parameter configuration and real-time data visualization, solves the technical problems of low automation degree, poor environment consistency and difficulty in synchronous testing of sensors with different measuring ranges in traditional stability testing, and remarkably improves the testing efficiency and the data reliability.
Owner:INSTR TECH & ECONOMY INST P R CHINA

Trend prediction-based ladder support stability test method and system

The invention discloses a trend prediction-based ladder support stability test method and system. The method comprises the following steps of: acquiring a plurality of sensing data of a plurality of support legs of a target ladder in a process of applying tension to the target ladder; according to the sensing data, calculating an overturning possible parameter corresponding to each supporting leg at each historical time point; predicting an overturning trend corresponding to the target ladder according to the overturning possible parameter corresponding to each historical time point; and determining the supporting stability corresponding to the target ladder according to the overturning trend corresponding to the target ladder and historical test data. Therefore, accurate ladder overturning risk quantification and stability evaluation based on full-time-sequence trend prediction and collaborative analysis can be realized, scientificity and foresight of safety detection of a ladder structure are improved, and the risk of personnel falling caused by single-point stress unbalance or non-discovered dynamic overturning is reduced.
Owner:FOSHAN CITY SHUNDE DISTRICT WANYI HOUSEHOLD ARTICLE CO LTD

Test methods, systems, equipment, and media for power module alarm functions

ActiveCN117271239BData packTest script
This application provides a testing method, system, device, and medium for power module alarm functions. The method includes setting up a standard storage environment within a current storage system and writing a test script into the current storage system; executing the test script; generating a test initiation prompt to guide the user to select test items and test types; receiving first feedback data generated by the user in response to the test initiation prompt, wherein the first feedback data includes the selected target test item and test type; if the test type included in the first feedback data is a functional test, then executing a first test rule to determine whether the power module alarm function corresponding to the target test item in the current storage system is normal; if the test type included in the first feedback data is a stability test, then executing a second test rule to determine whether the power module alarm function corresponding to the target test item in the current storage system is stable. This verifies the functionality and stability of the power module alarm function reporting.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Vehicle-mounted peripheral stability testing method, medium and vehicle

The invention belongs to the technical field of vehicle control, and particularly provides a vehicle-mounted peripheral stability test method, a medium and a vehicle, and the method comprises the steps: obtaining target identification information in a vehicle-mounted system, and positioning a to-be-tested target external device based on the target identification information; starting an automatic loop test for the target external equipment, wherein the automatic loop test comprises alternately executing equipment mounting operation and equipment unloading operation; monitoring the running state of the target external equipment and the resource state of the vehicle-mounted system in real time in the automatic cycle test process; and generating a test log based on the running state and the resource state, and determining a stability evaluation result of the target external equipment according to the test log. Through the technical scheme provided by the invention, the stability testing efficiency of the vehicle-mounted peripheral can be improved.
Owner:VOYAH AUTOMOBILE TECH CO LTD

VXI intelligent self-checking system and method of integrated isolation and purification power supply in wind tunnel test environment

The invention discloses a VXI intelligent self-checking system and method integrated with an isolation and purification power supply in a wind tunnel test environment, and belongs to the technical field of balance force measurement system self-checking of a wind tunnel test. The problem that in the prior art, a system and a method suitable for isolating and purifying a power supply and intelligently troubleshooting faults of wind tunnel VXI equipment are lacked is solved. The system comprises an isolation power supply module, a purification power supply module and an intelligent self-checking module. The isolation power supply module, the purification power supply module, the power supply and the VXI are connected in sequence, the isolation power supply module is connected with the power supply voltage module, and the VXI is connected with the industrial personal computer; the intelligent self-checking module is connected with the VXI, and the intelligent self-checking module is connected with the industrial personal computer; the isolation power supply module comprises a high-frequency transformer, a rectification circuit and an overvoltage protection circuit which are connected in sequence. According to the invention, the stability, the test precision, the troubleshooting efficiency and the accuracy of wind tunnel test data of the wind tunnel test VXI are improved, and the method can be applied to the troubleshooting of the wind tunnel test VXI.
Owner:CHINA AVIATION IND CORP HARBIN AERODYNAMICS RESEARCH INSTITUTE

A data testing method, apparatus, computer equipment, and storage medium

This application belongs to the field of database testing and relates to a data testing method. The method includes acquiring a task to be tested, importing the task into a preset database test model, analyzing the business load type through a monitoring analyzer to obtain business monitoring indicators, performing stress testing on the business database through a test resource pool to obtain target test results, performing sliding window parsing on the target test results based on the business monitoring indicators, and outputting a data test report. This application also provides a data testing device, computer equipment, and storage medium. This application can achieve stability testing for various business databases without requiring manual customization for specific databases. It reflects the responsiveness and processing capacity of the business database under different load conditions in real time, promptly identifies performance bottlenecks and potential anomalies, and helps technical teams optimize database configuration and business logic, improving the overall efficiency and reliability of the system.
Owner:PING AN TECH (SHENZHEN) CO LTD

A message middleware localization replacement adaptation method and system for power dispatching

The application relates to a message middleware domestic substitution adaptation method for power dispatching, which comprises the following steps: step 1: the system is split into independent services, and each service is responsible for a specific function; a lightweight communication protocol is used for communication between the services; step 2: each service instance is independently expanded according to the load condition; step 3: a Docker image is created for each microservice, local development and testing are carried out by using Docker Compose, and automatic deployment, expansion and management are carried out by using Kubernetes; step 4: a local scheduler is deployed on each node, communication of local tasks is realized based on a message middleware, AI technology is used to predict system load and performance bottlenecks, and a message middleware domestic substitution adaptation scheme is optimized; and step 5: according to evaluation indexes, compatibility and stability tests are carried out on the message middleware domestic substitution adaptation scheme. The application can effectively ensure the compatibility and stability of the power dispatching system when the message middleware is domestically substituted.
Owner:STATE GRID FUJIAN ELECTRIC POWER CO LTD +2

Stability test method, device and equipment of DRAM particle and storage medium

The application discloses a stability test method, device, equipment and storage medium of a DRAM particle. The method comprises the following steps: restarting a test system for a preset number of times, executing a preset test strategy in a universal boot loader stage of each test system starting process, the preset test strategy comprising the following steps: enabling a CPU cache, and configuring the CPU to access the DRAM particle in a non-burst transmission mode; based on hardware configuration information of the DRAM particle, allocating at least two test areas in an address space of the DRAM particle; traversing each working frequency supported by the test system, testing the read-write stability of the DRAM particle in direct read-write under each working frequency based on the at least two test areas, and testing the read-write stability of the DRAM particle after the test system enters a sleep mode and wakes up under each working frequency. The application has the technical effect of providing sufficient test pressure by using the CPU cache and avoiding external interference after the system is completely started, and effectively improves the comprehensiveness and accuracy of the DRAM particle stability test.
Owner:SHENZHEN JINGCUN TECH CO LTD

Salt-cavern gas storage operation stability test method and application

The invention provides a salt-cavern gas storage operation stability test method and application, and the method comprises the following steps: S1, measuring the volume, shape and depth data of a salt-cavern solution cavity, and building a three-dimensional analysis model according to the measured data; s2, importing the three-dimensional analysis model into FLAC 3D software, and dispersing the three-dimensional analysis model of the salt cavern cavity into a plurality of tetrahedron units; s3, determining the ground stress gradient of the location of the salt cavern cavity; a crustal stress field of the three-dimensional analysis model is determined, a three-way isobaric self-weight stress field is adopted, the lower surface of the three-dimensional analysis model simply supports and restrains vertical displacement, and four longitudinal surfaces are subjected to simply supports and restrains in the corresponding normal directions; s4, presetting salt rock and interlayer distribution in the three-dimensional analysis model according to the actual salt rock and interlayer terrain of the salt cavern cavity; and S5, calculating and simulating the static stability of the three-dimensional analysis model, and calculating and simulating the long-term stability of the three-dimensional analysis model.
Owner:JIANGSU GUANGZHOU IRON & STEEL GAS JINGSHEN SMALL MOLECULE GAS STORAGE CO LTD

An experimental apparatus and method for the stability test at the wellhead of natural gas hydrate extraction.

This invention discloses an experimental apparatus and method for testing the stability of natural gas hydrate wellheads. The experimental apparatus includes a drilling platform motion simulation subsystem, a wellhead assembly subsystem, and a hydrate simulation subsystem. The wellhead assembly subsystem includes a simulated wellhead and a conduit connected to the simulated wellhead. The hydrate simulation subsystem includes a fixed sleeve filled from bottom to top with a layer of backing soil and a hydrate simulation layer, and a soil pressurization simulation mechanism mounted on the fixed sleeve. The conduit passes through the backing soil layer of the soil pressurization simulation mechanism. This allows the force exerted by the backing soil layer on the conduit to more closely resemble actual conditions, thereby improving simulation accuracy.
Owner:PETROCHINA CO LTD

Evaluation device for monitoring instruments and recording devices installed in dams

Evaluation device for monitoring instruments and recording devices installed in dams, characterized in that it comprises the following: a central control unit (1); a built-in instrument detection module (2) which is electrically connected to the central control unit (1) and configured to establish a connection with a built-in monitoring instrument under test and to perform stability tests on the built-in monitoring instrument in order to obtain stability test data; a detection device detection module (3) which is electrically connected to the central control unit (1) and configured to establish a connection with a detection device under test and to perform measurement accuracy tests on the detection device in order to obtain accuracy test data; an insulation resistance detection module (4) which is electrically connected to the central control unit (1) and configured to perform insulation tests on the built-in monitoring instrument to obtain insulation resistance values; an intelligent interaction device (6) that is bidirectionally communicatively connected to the central control unit (1) to set the test parameters, receive and display the stability test data, accuracy test data and insulation resistance measurements, and perform an automated analysis on the received data based on the preset evaluation rules, thereby generating and outputting evaluation results for a built-in monitoring instrument and a detection device.
Owner:CHINA YANGTZE POWER CO LTD WUHAN CITY +1

A multi-sphere spectrometer comprehensive stability test platform

PendingCN122449571AGravity centerCantilever
The application provides a multi-sphere spectrometer comprehensive stability test platform and relates to the technical field of radiation measurement equipment test and calibration auxiliary devices. The supporting assembly comprises a plurality of cantilever arms which are distributed in the circumferential direction of the supporting rod, one end of the cantilever arm is close to the supporting rod, the other end of the cantilever arm extends away from the supporting rod, one end of the cantilever arm away from the supporting rod is provided with a sphere assembly, and the supporting assembly is further provided with a pulling structure which is arranged between the corresponding cantilever arm and the supporting rod. The multi-layer and multidirectional arrangement of the supporting assembly and the cantilever arm can realize the synchronous installation of a plurality of sphere assemblies with different specifications. The pulling structure and the cantilever arm cooperatively form a triangular supporting structure, so that the bearing capacity and the anti-overturning performance can be effectively improved. The layered arrangement and the gravity center control of the sphere assembly are beneficial to realizing the comprehensive stability test of the multi-sphere spectrometer and improving the test efficiency and the test consistency.
Owner:INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Landslide geological slope stability testing device and use method

The invention discloses a landslide geological slope stability testing device and a using method, and relates to the technical field of slope stability testing devices.The landslide geological slope stability testing device comprises a base, and an angle adjusting mechanism, a testing box, at least one testing unit and a rainfall simulation mechanism are arranged on the base; the angle adjusting mechanism comprises a supporting driving assembly arranged on the base and a rotating assembly connected with the testing box, the supporting driving assembly is used for driving the testing box to rotate around a transverse axis so as to adjust the transverse gradient of the testing box, the testing unit comprises a gradient adjusting assembly and a slope simulation plate, the gradient adjusting assembly is arranged in the testing box, and the slope simulation plate is arranged in the slope adjusting assembly. The output end of the gradient adjusting assembly is connected with the side slope simulation plate and used for driving the side slope simulation plate to rotate around a longitudinal axis so as to adjust the longitudinal gradient of the side slope simulation plate, the rainfall simulation mechanism is arranged on the base, located above the test unit and used for spraying water to the side slope simulation plate, the structure is simple, use is convenient, the application range is effectively widened, and the test efficiency is improved. And the research efficiency is effectively improved.
Owner:BAOTOU IRON & STEEL (GROUP) CO LTD

A method for determining a calibration scheme of a pressure sensor

The present invention discloses a method for determining a calibration scheme of a pressure sensor, which relates to the technical field of sensor devices and includes the following steps: clarifying the working conditions of the sensor, selecting a suitable reference device, setting pressure loading points, constructing a dynamic pressure loading module, evaluating the performance of the sensor under complex working conditions through environmental simulation, conducting an overload test for extreme conditions, conducting a long-term stability test, constructing a non-calibration working condition verification model, and optimizing the calibration strategy with an intelligent algorithm to complete the calibration scheme of the pressure sensor. The method for determining the calibration scheme of the pressure sensor systematically integrates static calibration, dynamic response testing, environmental simulation, and non-calibration working condition verification by constructing a non-calibration working condition verification model and combining a multi-point pressure loading strategy, a dynamic pressure loading module, and an overload test. At the same time, an intelligent algorithm is introduced to optimize the calibration strategy to compensate and correct the multi-factor interaction under complex working conditions.
Owner:XIAN SIWEI SENSOR TECH CO LTD

Echo evaluation method and system for sea clutter equivalent simulation board

The present invention discloses an echo evaluation method and system for a sea clutter equivalent simulation board. The method collects and preprocesses real sea clutter echo data and equivalent simulation board sea clutter data; performs effective data screening on the preprocessed real sea clutter echo data and the preprocessed equivalent simulation board sea clutter data; selects a set of real sea clutter representative data from the real sea clutter echo data that has passed the stability test, and selects a set of simulated sea clutter representative data from the equivalent simulation board sea clutter data that has passed the stability test; performs statistical analysis, calculates the statistical goodness of fit between the real sea clutter statistical data results and the simulated sea clutter statistical data results, and obtains an evaluation result. The present invention can test the echo simulation effect of the sea clutter equivalent simulation board device, and put the tested simulation board device into use to deepen the understanding of sea clutter characteristics, fill the gaps in measured data, and improve the simulation of real sea surface environments and the detection of sea surface targets.
Owner:XIDIAN UNIV +1

Memory bank SLT test method and device, equipment and medium

The memory bank SLT test method, device and equipment and the medium provided by the embodiment of the invention comprise the following steps: in response to a received test instruction signal selected by a target object, configuring a burst length parameter in a unit test period; an SLT test sequence is executed under the burst length parameter, a test report of the memory bank under the test instruction signal is obtained, the SLT test sequence comprises a function verification test sequence, a pressure stability test sequence and a time sequence calibration test sequence, and the test report comprises test data, performance index data, error log data and power consumption data; and determining the fault occurrence rate of the memory bank under the test instruction signal according to the test report. Under the DDR5 standard, the SLT test machine not only supports the test of the BL16 mode, but also supports the test of the BL8 mode and the test of the BL16 and BL8 switching mode, and the test coverage range and depth of the DDR5 memory bank are greatly expanded, so that potential stability problems and performance bottlenecks are found more comprehensively and more accurately, and the test effectiveness is improved.
Owner:ZHEJIANG LIJI ELECTRONICS CO LTD