285 results about "Stability test" patented technology

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.

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.

The invention discloses a sliding bearing-rotor system stability test system and method under a complex alternating load, and relates to the field of rotating machinery test in mechanical engineering. According to the technical key points, a multi-direction and multi-frequency dynamic load is applied through a six-degree-of-freedom platform, and a complex vibration and stress environment in an actual working condition is simulated. In the testing process, a high-precision sensor and a multi-channel acquisition board card are used for monitoring the vibration characteristic and the rotating speed of the system in real time, it is guaranteed that signals of different positions and types can be synchronously acquired, and comprehensive system state information is provided. Then, in combination with time domain and frequency domain analysis technologies, key features are extracted from mass data by applying an advanced Fourier transform algorithm, the resonant frequency, modal characteristics and potential fault modes of the system are identified, and accurate evaluation of the stability of the system is realized. Experimental results show that the real-time monitoring and analyzing method can effectively improve the stability testing precision of the sliding bearing-rotor system under the complex alternating load, and powerful technical support is provided for engineering application. The method is used for evaluating the stability of the sliding bearing-rotor system under the complex alternating load.

The invention relates to the technical field of material science, and particularly discloses a glaze performance evaluation method and system based on multiple application scenarios, and the method comprises the steps: obtaining the original data of the hardness value and wear loss of glaze, carrying out the standardization processing, calculating the hardness distribution index and wear resistance index, and carrying out the comprehensive analysis and classification of the glaze, thereby achieving the evaluation of the performance of the glaze. Qualified glaze and unqualified glaze are distinguished; then carrying out high-temperature stability test on the qualified glaze, and screening out the glaze with high thermal stability; and finally, a particle swarm optimization algorithm is adopted to search for an optimal solution of a hardness value and a wear loss regulation interval, and it is ensured that the glaze shows excellent performance in a changeable application environment. Through the systematic evaluation process, the problems of fuzzy standard, lack of scientific basis, poor performance consistency and low evaluation efficiency in a traditional evaluation method are solved, the consistency and reliability of glaze performance are effectively improved, the product quality is ensured, and the evaluation efficiency is remarkably improved.

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.

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.

The invention relates to the technical field of memory bank testing, and discloses a server mainboard memory bank plugging and unplugging test system which comprises a mechanical plugging and unplugging module, a sensor module, a pre-detection module, a test analysis module and a result display module.According to the server mainboard memory bank plugging and unplugging test system, automatic operation is achieved through the mechanical plugging and unplugging module, and accuracy and efficiency are improved; the sensor module adopts a four-wire system resistance measurement sensor, the contact resistance is accurately measured, and the contact detection precision is guaranteed; the pre-detection module can screen out memory banks with appearance scratches in advance from multi-angle image acquisition and equal-interval grid division to accurate pixel value analysis by utilizing a scientific appearance detection process; the test analysis module comprehensively evaluates the performance, the contact state judgment is clear, and the memory read-write and stability test is rigorous and scientific; a test report generated by the result display module visually shows results of scratch, contact, read-write, stability and the like, comprehensive information is provided for operators, and efficient judgment of the performance of the memory bank is assisted.

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.

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.

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.

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.

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.

The present invention provides a grid simulator and a test device for the stability test of a grid-connected converter. Among them: The voltage-controlled converter uses a virtual impedance controller and a voltage controller to achieve the port voltage characteristics of the simulated grid, and the voltage-controlled converter has a relatively high switching frequency; the current-controlled converter uses a transient current controller and a current controller to absorb or generate the port load current of the simulated grid, and the current-controlled converter has a relatively low switching frequency; the AC sides of the two converters are connected in parallel and directly connected to the port of the simulated grid, or connected to the port of the simulated grid through a resistor-impedance network. The virtual impedance controller eliminates the differential operator through the Norton equivalent circuit and accurately reproduces the port impedance characteristics of the grid. The present invention can effectively simulate and shape the grid impedance characteristics in a wide frequency band, so as to conveniently realize the stability test of the grid-connected inverter under different grid impedance conditions.

The invention discloses an oil reservoir numerical simulation method considering oil-gas phase equilibrium change in micro-nano pores. The method comprises the steps that stability testing is conducted on a phase equilibrium grid to be calculated to preliminarily judge whether an oil-gas mixing system represented by the grid is in a two-phase state or a single-phase state; for the oil-gas mixing system in the two-phase state, iteratively calculating phase separation considering capillary force to obtain a final two-phase equilibrium composition; the stability discrimination method comprises the following steps: calculating the current capillary force of the oil-gas mixing system to obtain corresponding gas-phase pressure and liquid-phase pressure, and performing the stability test by using the gas-phase pressure and the liquid-phase pressure; the problem that the capillary force effect cannot be considered in actual oil and gas reservoir model simulation of a conventional complex geological structure and a large-scale grid is solved, and the technical precision and efficiency can be ensured at the same time, so that the method can be directly applied to an actual digital-analog process.

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.

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.

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.

The invention belongs to the technical field of distributed control systems, and particularly relates to a stability test method and device for a static credible verification function of a credible DCS controller, and the method comprises the steps: obtaining a program and a configuration file needed in a stability test process of the DCS controller in a static state; obtaining a configuration mark state of the configuration file, and carrying out a stability test according to the program, the configuration mark state of the configuration file, the trusted module state of the static trusted verification function module and a corresponding operation result; obtaining a first test result and a second test result; and obtaining a first test result and a second test result corresponding to all the configuration strategies and the parameters according to the program, writing all the first test result and the second test result and the corresponding configuration strategies and parameters into a specified file, and generating a test report. According to the method, the credibility of comprehensive static credible verification is improved, the test time is shortened, and the test progress and quality are improved.

The invention relates to the technical field of dies, in particular to a technological method for improving the part material utilization rate through cutting-free one-step cutting. S1, determining an optimization target, and preparing a blank; and S2, selecting a proper algorithm for the selected hot-formed product to perform automatic layout on the hot-formed product. And S3, a proper first connecting knife edge and a proper second connecting knife edge are selected for a hot forming product. And S4, a plurality of operation schemes can be obtained through S2 and S3, the schemes are evaluated through theoretical verification of the schemes, and the scheme with the best effect is obtained through comparison. And S5, implementing verification is conducted on the specific forming scheme mentioned in the S4. And S6, after the verification is passed, carrying out stability test on the product. And S7, verifying the material utilization rate of the finally produced effective material. Compared with the prior art, the rolling width and the step pitch are reduced, the overall comprehensive cost is greatly reduced, stamping forming and welding procedures are not affected, and the utilization rate of part materials can be increased.

An operation and maintenance alarm method and apparatus, and a storage medium and an electronic device. The method comprises: acquiring an operation and maintenance data set to be processed, and by means of a target algorithm, performing data cleaning processing on operation and maintenance data in the operation and maintenance data set to be processed, so as to obtain a processed operation and maintenance data set (S101); performing a stability test on a time sequence of the operation and maintenance data in the processed operation and maintenance data set, so as to obtain a test result, and determining a first operation and maintenance data set from the processed operation and maintenance data set on the basis of the test result (S102); performing feature extraction processing on the first operation and maintenance data set by means of a principal component analysis method, so as to obtain a plurality of operation and maintenance data features, and performing feature selection processing on the plurality of operation and maintenance data features by means of a K-means clustering algorithm, so as to obtain a target operation and maintenance data set (S103); and performing alarm analysis on the basis of the target operation and maintenance data set, so as to obtain an alarm analysis result (S104). The technical problem in the prior art of the accuracy of an operation and maintenance alarm being relatively low due to the fact that the accuracy of data pre-processing performed on the basis of a fixed rule is low is solved.

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.

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.

The invention provides a quick-charging mobile power supply stability test method and related equipment, and relates to the technical field of quick-charging mobile power supply testing. The method comprises the following steps: obtaining real-time electromagnetic interference characteristic data; according to the real-time electromagnetic interference characteristic data, dynamically adjusting a signal threshold value identified by a fast charging protocol to obtain an adjusted signal threshold value; controlling the quick-charging mobile power supply to be circularly switched and connected with test equipment supporting PD, QC and private quick-charging protocols, and acquiring related parameter information after each protocol switching; and according to the related parameter information, obtaining charging performance evaluation results of the fast-charging mobile power supply under different charging environments and different protocols. According to the method for testing the stability of the fast-charging mobile power supply, the performance of the fast-charging mobile power supply in different charging environments can be effectively tested, reliable test data is provided for improving the success rate of protocol identification of the fast-charging mobile power supply and reducing the misjudgment rate, and an enterprise is supported to improve the stability of the fast-charging mobile power supply.

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.

The invention relates to a shield tunneling machine cutterhead torque parameter prediction method. The method comprises the steps that equipment operation data and geological environment data in the tunneling process of a shield tunneling machine are periodically collected; performing data preprocessing on the equipment operation data and the geological environment data to obtain preprocessed data; determining a stability data sequence in the preprocessed data and a difference order corresponding to the stability data sequence through ADF stability test, and obtaining parameters of stability data sequence adaptive optimization based on a Bayesian information criterion to generate an optimal ARIMA model; performing prediction processing on the preprocessed data by adopting an optimal ARIMA model to obtain a predicted value of the shield tunneling machine cutterhead torque parameter; adjusting the tunneling speed of the shield tunneling machine and the rotating speed of the cutter head in the next period according to the predicted value of the torque parameter of the cutter head; and the steps are repeated until the shield tunneling machine is turned off. The construction cost of the shield tunneling machine is reduced, and the engineering efficiency is improved.

The utility model relates to the technical field of shooting guns, in particular to a bow holding stability tester for a gun, which comprises a control console and is characterized in that a test board is fixedly connected onto the control console, a first slide rail is arranged in the test board, a first slide block is slidably connected into the first slide rail, and a second slide block is arranged in the first slide block. One side of the first slide block is fixedly connected with a test spring, one side of the test spring is fixedly connected with a dynamometer, and the dynamometer is in data transmission with a console. According to the utility model, a test object can be fixed by arranging the clamping tables, the clamping tables at the two sides stably clamp the test object under the action of the push cylinder, the acting force of the test object can be detected by arranging the test spring and the dynamometer, and components such as the first sliding block are arranged to be matched with the acting force of the test object to move. Therefore, the acting force of the test object can be professionally detected.

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.

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.

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.

The invention relates to a virtual machine load testing method and device, equipment and a medium. The virtual machine load test method comprises the following steps: in response to a virtual machine creation request of a user, creating a target virtual machine corresponding to the virtual machine creation request; in response to a load addition request of a user, adding a target load to the target virtual machine based on the target test tool; in response to a virtual machine login request of a user, performing a stability test on the target virtual machine according to the target load to obtain a test result; and monitoring the test result in real time, and displaying the load condition of the target virtual machine. According to the embodiment of the invention, the downloading and installation process of a test tool can be omitted, and the test speed is improved.